kernel/patch-5.14-redhat.patch

 arch/arm/Kconfig                                   |   4 +-
 arch/arm64/Kconfig                                 |   3 +-
 .../boot/dts/rockchip/rk3399-pinebook-pro.dts      |   6 +-
 arch/arm64/kernel/acpi.c                           |   2 +-
 arch/s390/include/asm/ipl.h                        |   1 +
 arch/s390/kernel/ipl.c                             |   5 +
 arch/s390/kernel/setup.c                           |   4 +
 arch/x86/kernel/setup.c                            |  22 +-
 block/bfq-iosched.c                                |  16 +-
 crypto/rng.c                                       |  73 ++-
 drivers/acpi/apei/hest.c                           |   8 +
 drivers/acpi/irq.c                                 |  17 +-
 drivers/acpi/scan.c                                |   9 +
 drivers/ata/libahci.c                              |  18 +
 drivers/char/ipmi/ipmi_dmi.c                       |  15 +
 drivers/char/ipmi/ipmi_msghandler.c                |  16 +-
 drivers/char/random.c                              | 115 +++++
 drivers/firmware/efi/Makefile                      |   1 +
 drivers/firmware/efi/efi.c                         | 124 +++--
 drivers/firmware/efi/secureboot.c                  |  38 ++
 drivers/hid/hid-rmi.c                              |  64 ---
 drivers/hwtracing/coresight/coresight-etm4x-core.c |  19 +
 drivers/input/rmi4/rmi_driver.c                    | 124 +++--
 drivers/iommu/iommu.c                              |  22 +
 drivers/net/wireguard/main.c                       |   6 +
 drivers/pci/quirks.c                               |  24 +
 drivers/usb/core/hub.c                             |   7 +
 fs/xfs/xfs_super.c                                 |   8 -
 include/linux/efi.h                                |  22 +-
 include/linux/lsm_hook_defs.h                      |   2 +
 include/linux/lsm_hooks.h                          |   6 +
 include/linux/random.h                             |   7 +
 include/linux/rmi.h                                |   1 +
 include/linux/security.h                           |   5 +
 init/Kconfig                                       |   2 +-
 kernel/module_signing.c                            |   9 +-
 mm/cma.c                                           |  10 +
 security/integrity/platform_certs/load_uefi.c      |   6 +-
 security/lockdown/Kconfig                          |  13 +
 security/lockdown/lockdown.c                       |   1 +
 security/security.c                                |   6 +
 tools/testing/selftests/bpf/Makefile               |   1 -
 .../selftests/bpf/prog_tests/linked_funcs.c        |  42 --
 .../testing/selftests/bpf/prog_tests/linked_maps.c |  30 --
 .../testing/selftests/bpf/prog_tests/linked_vars.c |  43 --
 tools/testing/selftests/bpf/progs/bpf_cubic.c      | 545 ---------------------
 tools/testing/selftests/bpf/progs/bpf_dctcp.c      | 224 ---------
 .../testing/selftests/bpf/progs/kfunc_call_test.c  |  47 --
 .../selftests/bpf/progs/kfunc_call_test_subprog.c  |  42 --
 tools/testing/selftests/bpf/progs/linked_funcs1.c  |  73 ---
 tools/testing/selftests/bpf/progs/linked_funcs2.c  |  73 ---
 tools/testing/selftests/bpf/progs/linked_maps2.c   |  76 ---
 tools/testing/selftests/bpf/progs/linked_vars1.c   |  54 --
 tools/testing/selftests/bpf/progs/linked_vars2.c   |  55 ---
 54 files changed, 658 insertions(+), 1508 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2fb7012c3246..47718b4f2f75 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1474,9 +1474,9 @@ config HIGHMEM
 	  If unsure, say n.

 config HIGHPTE
-	bool "Allocate 2nd-level pagetables from highmem" if EXPERT
+	bool "Allocate 2nd-level pagetables from highmem"
 	depends on HIGHMEM
-	default y
+	default n
 	help
 	  The VM uses one page of physical memory for each page table.
 	  For systems with a lot of processes, this can use a lot of
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 62c3c1d2190f..9ef6bb1d5b0c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -915,7 +915,7 @@ endchoice

 config ARM64_FORCE_52BIT
 	bool "Force 52-bit virtual addresses for userspace"
-	depends on ARM64_VA_BITS_52 && EXPERT
+	depends on ARM64_VA_BITS_52
 	help
 	  For systems with 52-bit userspace VAs enabled, the kernel will attempt
 	  to maintain compatibility with older software by providing 48-bit VAs
@@ -1156,6 +1156,7 @@ config XEN
 config FORCE_MAX_ZONEORDER
 	int
 	default "14" if ARM64_64K_PAGES
+	default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES)
 	default "12" if ARM64_16K_PAGES
 	default "11"
 	help
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
index 2b5f001ff4a6..dae8c252bc2b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
@@ -385,10 +385,6 @@ mains_charger: dc-charger {
 	};
 };

-&cdn_dp {
-	status = "okay";
-};
-
 &cpu_b0 {
 	cpu-supply = <&vdd_cpu_b>;
 };
@@ -711,7 +707,7 @@ fusb0: fusb30x@22 {

 		connector {
 			compatible = "usb-c-connector";
-			data-role = "host";
+			data-role = "dual";
 			label = "USB-C";
 			op-sink-microwatt = <1000000>;
 			power-role = "dual";
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index f3851724fe35..cac21da49455 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -40,7 +40,7 @@ int acpi_pci_disabled = 1;	/* skip ACPI PCI scan and IRQ initialization */
 EXPORT_SYMBOL(acpi_pci_disabled);

 static bool param_acpi_off __initdata;
-static bool param_acpi_on __initdata;
+static bool param_acpi_on __initdata = true;
 static bool param_acpi_force __initdata;

 static int __init parse_acpi(char *arg)
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index a9e2c7295b35..6ff11f3a2d47 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -127,6 +127,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf,
 			     unsigned char flags, unsigned short cert);
 int ipl_report_add_certificate(struct ipl_report *report, void *key,
 			       unsigned long addr, unsigned long len);
+bool ipl_get_secureboot(void);

 /*
  * DIAG 308 support
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 911cd3912351..caae31c04561 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -2215,3 +2215,8 @@ int ipl_report_free(struct ipl_report *report)
 }

 #endif
+
+bool ipl_get_secureboot(void)
+{
+	return !!ipl_secure_flag;
+}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 6f0d2d4dea74..2f4d60b24155 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -49,6 +49,7 @@
 #include <linux/memory.h>
 #include <linux/compat.h>
 #include <linux/start_kernel.h>
+#include <linux/security.h>
 #include <linux/hugetlb.h>
 #include <linux/kmemleak.h>

@@ -1034,6 +1035,9 @@ void __init setup_arch(char **cmdline_p)

 	log_component_list();

+	if (ipl_get_secureboot())
+		security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX);
+
 	/* Have one command line that is parsed and saved in /proc/cmdline */
 	/* boot_command_line has been already set up in early.c */
 	*cmdline_p = boot_command_line;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d103e8489ec1..16ef6bcceed2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -19,6 +19,7 @@
 #include <linux/root_dev.h>
 #include <linux/hugetlb.h>
 #include <linux/tboot.h>
+#include <linux/security.h>
 #include <linux/usb/xhci-dbgp.h>
 #include <linux/static_call.h>
 #include <linux/swiotlb.h>
@@ -938,6 +939,13 @@ void __init setup_arch(char **cmdline_p)
 	if (efi_enabled(EFI_BOOT))
 		efi_init();

+	efi_set_secure_boot(boot_params.secure_boot);
+
+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT
+	if (efi_enabled(EFI_SECURE_BOOT))
+		security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX);
+#endif
+
 	dmi_setup();

 	/*
@@ -1103,19 +1111,7 @@ void __init setup_arch(char **cmdline_p)
 	/* Allocate bigger log buffer */
 	setup_log_buf(1);

-	if (efi_enabled(EFI_BOOT)) {
-		switch (boot_params.secure_boot) {
-		case efi_secureboot_mode_disabled:
-			pr_info("Secure boot disabled\n");
-			break;
-		case efi_secureboot_mode_enabled:
-			pr_info("Secure boot enabled\n");
-			break;
-		default:
-			pr_info("Secure boot could not be determined\n");
-			break;
-		}
-	}
+	efi_set_secure_boot(boot_params.secure_boot);

 	reserve_initrd();

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 3a1038b6eeb3..9360c65169ff 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -2662,15 +2662,6 @@ bfq_setup_merge(struct bfq_queue *bfqq, struct bfq_queue *new_bfqq)
 	 * are likely to increase the throughput.
 	 */
 	bfqq->new_bfqq = new_bfqq;
-	/*
-	 * The above assignment schedules the following redirections:
-	 * each time some I/O for bfqq arrives, the process that
-	 * generated that I/O is disassociated from bfqq and
-	 * associated with new_bfqq. Here we increases new_bfqq->ref
-	 * in advance, adding the number of processes that are
-	 * expected to be associated with new_bfqq as they happen to
-	 * issue I/O.
-	 */
 	new_bfqq->ref += process_refs;
 	return new_bfqq;
 }
@@ -2733,10 +2724,6 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 {
 	struct bfq_queue *in_service_bfqq, *new_bfqq;

-	/* if a merge has already been setup, then proceed with that first */
-	if (bfqq->new_bfqq)
-		return bfqq->new_bfqq;
-
 	/*
 	 * Check delayed stable merge for rotational or non-queueing
 	 * devs. For this branch to be executed, bfqq must not be
@@ -2838,6 +2825,9 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 	if (bfq_too_late_for_merging(bfqq))
 		return NULL;

+	if (bfqq->new_bfqq)
+		return bfqq->new_bfqq;
+
 	if (!io_struct || unlikely(bfqq == &bfqd->oom_bfqq))
 		return NULL;

diff --git a/crypto/rng.c b/crypto/rng.c
index fea082b25fe4..50a9d040bed1 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -11,14 +11,17 @@
 #include <linux/atomic.h>
 #include <crypto/internal/rng.h>
 #include <linux/err.h>
+#include <linux/fips.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/random.h>
 #include <linux/seq_file.h>
+#include <linux/sched.h>
+#include <linux/sched/signal.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/cryptouser.h>
-#include <linux/compiler.h>
 #include <net/netlink.h>

 #include "internal.h"
@@ -224,5 +227,73 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count)
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_rngs);

+static ssize_t crypto_devrandom_read(void __user *buf, size_t buflen)
+{
+	u8 tmp[256];
+	ssize_t ret;
+
+	if (!buflen)
+		return 0;
+
+	ret = crypto_get_default_rng();
+	if (ret)
+		return ret;
+
+	for (;;) {
+		int err;
+		int i;
+
+		i = min_t(int, buflen, sizeof(tmp));
+		err = crypto_rng_get_bytes(crypto_default_rng, tmp, i);
+		if (err) {
+			ret = err;
+			break;
+		}
+
+		if (copy_to_user(buf, tmp, i)) {
+			ret = -EFAULT;
+			break;
+		}
+
+		buflen -= i;
+		buf += i;
+		ret += i;
+
+		if (!buflen)
+			break;
+
+		if (need_resched()) {
+			if (signal_pending(current))
+				break;
+			schedule();
+		}
+	}
+
+	crypto_put_default_rng();
+	memzero_explicit(tmp, sizeof(tmp));
+
+	return ret;
+}
+
+static const struct random_extrng crypto_devrandom_rng = {
+	.extrng_read = crypto_devrandom_read,
+	.owner = THIS_MODULE,
+};
+
+static int __init crypto_rng_init(void)
+{
+	if (fips_enabled)
+		random_register_extrng(&crypto_devrandom_rng);
+	return 0;
+}
+
+static void __exit crypto_rng_exit(void)
+{
+	random_unregister_extrng();
+}
+
+late_initcall(crypto_rng_init);
+module_exit(crypto_rng_exit);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Random Number Generator");
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 277f00b288d1..adbce15c273d 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -94,6 +94,14 @@ int apei_hest_parse(apei_hest_func_t func, void *data)
 	if (hest_disable || !hest_tab)
 		return -EINVAL;

+#ifdef CONFIG_ARM64
+	/* Ignore broken firmware */
+	if (!strncmp(hest_tab->header.oem_id, "HPE   ", 6) &&
+	    !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) &&
+	    MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM)
+		return -EINVAL;
+#endif
+
 	hest_hdr = (struct acpi_hest_header *)(hest_tab + 1);
 	for (i = 0; i < hest_tab->error_source_count; i++) {
 		len = hest_esrc_len(hest_hdr);
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index c68e694fca26..146cba5ae5bc 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx {
 	unsigned int index;
 	unsigned long *res_flags;
 	struct irq_fwspec *fwspec;
+	bool skip_producer_check;
 };

 /**
@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
 		return AE_CTRL_TERMINATE;
 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
 		eirq = &ares->data.extended_irq;
-		if (eirq->producer_consumer == ACPI_PRODUCER)
+		if (!ctx->skip_producer_check &&
+		    eirq->producer_consumer == ACPI_PRODUCER)
 			return AE_OK;
 		if (ctx->index >= eirq->interrupt_count) {
 			ctx->index -= eirq->interrupt_count;
@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
 static int acpi_irq_parse_one(acpi_handle handle, unsigned int index,
 			      struct irq_fwspec *fwspec, unsigned long *flags)
 {
-	struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec };
+	struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false };

+	/*
+	 * Firmware on arm64-based HPE m400 platform incorrectly marks
+	 * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER.
+	 * Don't do the producer/consumer check for that device.
+	 */
+	if (IS_ENABLED(CONFIG_ARM64)) {
+		struct acpi_device *adev = acpi_bus_get_acpi_device(handle);
+
+		if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08"))
+			ctx.skip_producer_check = true;
+	}
 	acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx);
 	return ctx.rc;
 }
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index b24513ec3fae..8308569f66e0 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1721,6 +1721,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
 	if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids))
 		return false;

+	/*
+	 * Firmware on some arm64 X-Gene platforms will make the UART
+	 * device appear as both a UART and a slave of that UART. Just
+	 * bail out here for X-Gene UARTs.
+	 */
+	if (IS_ENABLED(CONFIG_ARM64) &&
+	    !strcmp(acpi_device_hid(device), "APMC0D08"))
+		return false;
+
 	INIT_LIST_HEAD(&resource_list);
 	acpi_dev_get_resources(device, &resource_list,
 			       acpi_check_serial_bus_slave,
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index fec2e9754aed..bea4e2973259 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -671,6 +671,24 @@ int ahci_stop_engine(struct ata_port *ap)
 	tmp &= ~PORT_CMD_START;
 	writel(tmp, port_mmio + PORT_CMD);

+#ifdef CONFIG_ARM64
+	/* Rev Ax of Cavium CN99XX needs a hack for port stop */
+	if (dev_is_pci(ap->host->dev) &&
+	    to_pci_dev(ap->host->dev)->vendor == 0x14e4 &&
+	    to_pci_dev(ap->host->dev)->device == 0x9027 &&
+	    midr_is_cpu_model_range(read_cpuid_id(),
+			MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN),
+			MIDR_CPU_VAR_REV(0, 0),
+			MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) {
+		tmp = readl(hpriv->mmio + 0x8000);
+		udelay(100);
+		writel(tmp | (1 << 26), hpriv->mmio + 0x8000);
+		udelay(100);
+		writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000);
+		dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n");
+	}
+#endif
+
 	/* wait for engine to stop. This could be as long as 500 msec */
 	tmp = ata_wait_register(ap, port_mmio + PORT_CMD,
 				PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
index bbf7029e224b..cf7faa970dd6 100644
--- a/drivers/char/ipmi/ipmi_dmi.c
+++ b/drivers/char/ipmi/ipmi_dmi.c
@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void)
 {
 	const struct dmi_device *dev = NULL;

+#ifdef CONFIG_ARM64
+	/* RHEL-only
+	 * If this is ARM-based HPE m400, return now, because that platform
+	 * reports the host-side ipmi address as intel port-io space, which
+	 * does not exist in the ARM architecture.
+	 */
+	const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
+
+	if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
+		pr_debug("%s does not support host ipmi\n", dmistr);
+		return 0;
+	}
+	/* END RHEL-only */
+#endif
+
 	while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev)))
 		dmi_decode_ipmi((const struct dmi_header *) dev->device_data);

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index e96cb5c4f97a..d645460fe8a9 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -35,6 +35,7 @@
 #include <linux/uuid.h>
 #include <linux/nospec.h>
 #include <linux/vmalloc.h>
+#include <linux/dmi.h>
 #include <linux/delay.h>

 #define IPMI_DRIVER_VERSION "39.2"
@@ -5160,8 +5161,21 @@ static int __init ipmi_init_msghandler_mod(void)
 {
 	int rv;

-	pr_info("version " IPMI_DRIVER_VERSION "\n");
+#ifdef CONFIG_ARM64
+	/* RHEL-only
+	 * If this is ARM-based HPE m400, return now, because that platform
+	 * reports the host-side ipmi address as intel port-io space, which
+	 * does not exist in the ARM architecture.
+	 */
+	const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);

+	if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
+		pr_debug("%s does not support host ipmi\n", dmistr);
+		return -ENOSYS;
+	}
+	/* END RHEL-only */
+#endif
+	pr_info("version " IPMI_DRIVER_VERSION "\n");
 	mutex_lock(&ipmi_interfaces_mutex);
 	rv = ipmi_register_driver();
 	mutex_unlock(&ipmi_interfaces_mutex);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 605969ed0f96..4d51f1c67675 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -335,6 +335,7 @@
 #include <linux/syscalls.h>
 #include <linux/completion.h>
 #include <linux/uuid.h>
+#include <linux/rcupdate.h>
 #include <crypto/chacha.h>
 #include <crypto/sha1.h>

@@ -349,6 +350,11 @@

 /* #define ADD_INTERRUPT_BENCH */

+/*
+ * Hook for external RNG.
+ */
+static const struct random_extrng __rcu *extrng;
+
 /*
  * Configuration information
  */
@@ -481,6 +487,9 @@ static int ratelimit_disable __read_mostly;
 module_param_named(ratelimit_disable, ratelimit_disable, int, 0644);
 MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression");

+static const struct file_operations extrng_random_fops;
+static const struct file_operations extrng_urandom_fops;
+
 /**********************************************************************
  *
  * OS independent entropy store.   Here are the functions which handle
@@ -1858,6 +1867,13 @@ random_poll(struct file *file, poll_table * wait)
 	return mask;
 }

+static __poll_t
+extrng_poll(struct file *file, poll_table * wait)
+{
+	/* extrng pool is always full, always read, no writes */
+	return EPOLLIN | EPOLLRDNORM;
+}
+
 static int
 write_pool(struct entropy_store *r, const char __user *buffer, size_t count)
 {
@@ -1961,7 +1977,58 @@ static int random_fasync(int fd, struct file *filp, int on)
 	return fasync_helper(fd, filp, on, &fasync);
 }

+static int random_open(struct inode *inode, struct file *filp)
+{
+	const struct random_extrng *rng;
+
+	rcu_read_lock();
+	rng = rcu_dereference(extrng);
+	if (rng && !try_module_get(rng->owner))
+		rng = NULL;
+	rcu_read_unlock();
+
+	if (!rng)
+		return 0;
+
+	filp->f_op = &extrng_random_fops;
+	filp->private_data = rng->owner;
+
+	return 0;
+}
+
+static int urandom_open(struct inode *inode, struct file *filp)
+{
+	const struct random_extrng *rng;
+
+	rcu_read_lock();
+	rng = rcu_dereference(extrng);
+	if (rng && !try_module_get(rng->owner))
+		rng = NULL;
+	rcu_read_unlock();
+
+	if (!rng)
+		return 0;
+
+	filp->f_op = &extrng_urandom_fops;
+	filp->private_data = rng->owner;
+
+	return 0;
+}
+
+static int extrng_release(struct inode *inode, struct file *filp)
+{
+	module_put(filp->private_data);
+	return 0;
+}
+
+static ssize_t
+extrng_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
+{
+	return rcu_dereference_raw(extrng)->extrng_read(buf, nbytes);
+}
+
 const struct file_operations random_fops = {
+	.open  = random_open,
 	.read  = random_read,
 	.write = random_write,
 	.poll  = random_poll,
@@ -1972,6 +2039,7 @@ const struct file_operations random_fops = {
 };

 const struct file_operations urandom_fops = {
+	.open  = urandom_open,
 	.read  = urandom_read,
 	.write = random_write,
 	.unlocked_ioctl = random_ioctl,
@@ -1980,9 +2048,31 @@ const struct file_operations urandom_fops = {
 	.llseek = noop_llseek,
 };

+static const struct file_operations extrng_random_fops = {
+	.open  = random_open,
+	.read  = extrng_read,
+	.write = random_write,
+	.poll  = extrng_poll,
+	.unlocked_ioctl = random_ioctl,
+	.fasync = random_fasync,
+	.llseek = noop_llseek,
+	.release = extrng_release,
+};
+
+static const struct file_operations extrng_urandom_fops = {
+	.open  = urandom_open,
+	.read  = extrng_read,
+	.write = random_write,
+	.unlocked_ioctl = random_ioctl,
+	.fasync = random_fasync,
+	.llseek = noop_llseek,
+	.release = extrng_release,
+};
+
 SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
 		unsigned int, flags)
 {
+	const struct random_extrng *rng;
 	int ret;

 	if (flags & ~(GRND_NONBLOCK|GRND_RANDOM|GRND_INSECURE))
@@ -1998,6 +2088,18 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
 	if (count > INT_MAX)
 		count = INT_MAX;

+	rcu_read_lock();
+	rng = rcu_dereference(extrng);
+	if (rng && !try_module_get(rng->owner))
+		rng = NULL;
+	rcu_read_unlock();
+
+	if (rng) {
+		ret = rng->extrng_read(buf, count);
+		module_put(rng->owner);
+		return ret;
+	}
+
 	if (!(flags & GRND_INSECURE) && !crng_ready()) {
 		if (flags & GRND_NONBLOCK)
 			return -EAGAIN;
@@ -2303,3 +2405,16 @@ void add_bootloader_randomness(const void *buf, unsigned int size)
 		add_device_randomness(buf, size);
 }
 EXPORT_SYMBOL_GPL(add_bootloader_randomness);
+
+void random_register_extrng(const struct random_extrng *rng)
+{
+	rcu_assign_pointer(extrng, rng);
+}
+EXPORT_SYMBOL_GPL(random_register_extrng);
+
+void random_unregister_extrng(void)
+{
+	RCU_INIT_POINTER(extrng, NULL);
+	synchronize_rcu();
+}
+EXPORT_SYMBOL_GPL(random_unregister_extrng);
diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
index 467e94259679..9b6f5b8e5397 100644
--- a/drivers/firmware/efi/Makefile
+++ b/drivers/firmware/efi/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP)		+= fake_map.o
 obj-$(CONFIG_EFI_BOOTLOADER_CONTROL)	+= efibc.o
 obj-$(CONFIG_EFI_TEST)			+= test/
 obj-$(CONFIG_EFI_DEV_PATH_PARSER)	+= dev-path-parser.o
+obj-$(CONFIG_EFI)			+= secureboot.o
 obj-$(CONFIG_APPLE_PROPERTIES)		+= apple-properties.o
 obj-$(CONFIG_EFI_RCI2_TABLE)		+= rci2-table.o
 obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE)	+= embedded-firmware.o
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 847f33ffc4ae..363037f8eaf8 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -31,6 +31,7 @@
 #include <linux/ucs2_string.h>
 #include <linux/memblock.h>
 #include <linux/security.h>
+#include <linux/bsearch.h>

 #include <asm/early_ioremap.h>

@@ -841,40 +842,101 @@ int efi_mem_type(unsigned long phys_addr)
 }
 #endif

+struct efi_error_code {
+	efi_status_t status;
+	int errno;
+	const char *description;
+};
+
+static const struct efi_error_code efi_error_codes[] = {
+	{ EFI_SUCCESS, 0, "Success"},
+#if 0
+	{ EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"},
+#endif
+	{ EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"},
+	{ EFI_UNSUPPORTED, -ENOSYS, "Unsupported"},
+	{ EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"},
+	{ EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"},
+	{ EFI_NOT_READY, -EAGAIN, "Not Ready"},
+	{ EFI_DEVICE_ERROR, -EIO, "Device Error"},
+	{ EFI_WRITE_PROTECTED, -EROFS, "Write Protected"},
+	{ EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"},
+#if 0
+	{ EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"},
+	{ EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"},
+	{ EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"},
+	{ EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"},
+#endif
+	{ EFI_NOT_FOUND, -ENOENT, "Not Found"},
+#if 0
+	{ EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"},
+	{ EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"},
+	{ EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"},
+	{ EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"},
+	{ EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"},
+	{ EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"},
+#endif
+	{ EFI_ABORTED, -EINTR, "Aborted"},
+#if 0
+	{ EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"},
+	{ EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"},
+	{ EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"},
+	{ EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"},
+#endif
+	{ EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"},
+#if 0
+	{ EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"},
+	{ EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"},
+	{ EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"},
+	{ EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"},
+	{ EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"},
+
+	// warnings
+	{ EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"},
+	{ EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"},
+	{ EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"},
+	{ EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"},
+#endif
+};
+
+static int
+efi_status_cmp_bsearch(const void *key, const void *item)
+{
+	u64 status = (u64)(uintptr_t)key;
+	struct efi_error_code *code = (struct efi_error_code *)item;
+
+	if (status < code->status)
+		return -1;
+	if (status > code->status)
+		return 1;
+	return 0;
+}
+
 int efi_status_to_err(efi_status_t status)
 {
-	int err;
-
-	switch (status) {
-	case EFI_SUCCESS:
-		err = 0;
-		break;
-	case EFI_INVALID_PARAMETER:
-		err = -EINVAL;
-		break;
-	case EFI_OUT_OF_RESOURCES:
-		err = -ENOSPC;
-		break;
-	case EFI_DEVICE_ERROR:
-		err = -EIO;
-		break;
-	case EFI_WRITE_PROTECTED:
-		err = -EROFS;
-		break;
-	case EFI_SECURITY_VIOLATION:
-		err = -EACCES;
-		break;
-	case EFI_NOT_FOUND:
-		err = -ENOENT;
-		break;
-	case EFI_ABORTED:
-		err = -EINTR;
-		break;
-	default:
-		err = -EINVAL;
-	}
+	struct efi_error_code *found;
+	size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);

-	return err;
+	found = bsearch((void *)(uintptr_t)status, efi_error_codes,
+			sizeof(struct efi_error_code), num,
+			efi_status_cmp_bsearch);
+	if (!found)
+		return -EINVAL;
+	return found->errno;
+}
+
+const char *
+efi_status_to_str(efi_status_t status)
+{
+	struct efi_error_code *found;
+	size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);
+
+	found = bsearch((void *)(uintptr_t)status, efi_error_codes,
+			sizeof(struct efi_error_code), num,
+			efi_status_cmp_bsearch);
+	if (!found)
+		return "Unknown error code";
+	return found->description;
 }

 static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock);
diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c
new file mode 100644
index 000000000000..de0a3714a5d4
--- /dev/null
+++ b/drivers/firmware/efi/secureboot.c
@@ -0,0 +1,38 @@
+/* Core kernel secure boot support.
+ *
+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/efi.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+
+/*
+ * Decide what to do when UEFI secure boot mode is enabled.
+ */
+void __init efi_set_secure_boot(enum efi_secureboot_mode mode)
+{
+	if (efi_enabled(EFI_BOOT)) {
+		switch (mode) {
+		case efi_secureboot_mode_disabled:
+			pr_info("Secure boot disabled\n");
+			break;
+		case efi_secureboot_mode_enabled:
+			set_bit(EFI_SECURE_BOOT, &efi.flags);
+			pr_info("Secure boot enabled\n");
+			break;
+		default:
+			pr_warn("Secure boot could not be determined (mode %u)\n",
+				   mode);
+			break;
+		}
+	}
+}
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index 311eee599ce9..2460c6bd46f8 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
 {
 	struct rmi_data *hdata = hid_get_drvdata(hdev);
 	struct rmi_device *rmi_dev = hdata->xport.rmi_dev;
-	unsigned long flags;

 	if (!(test_bit(RMI_STARTED, &hdata->flags)))
 		return 0;

-	local_irq_save(flags);
-
 	rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2);

-	generic_handle_irq(hdata->rmi_irq);
-
-	local_irq_restore(flags);
-
 	return 1;
 }

@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = {
 	.reset		= rmi_hid_reset,
 };

-static void rmi_irq_teardown(void *data)
-{
-	struct rmi_data *hdata = data;
-	struct irq_domain *domain = hdata->domain;
-
-	if (!domain)
-		return;
-
-	irq_dispose_mapping(irq_find_mapping(domain, 0));
-
-	irq_domain_remove(domain);
-	hdata->domain = NULL;
-	hdata->rmi_irq = 0;
-}
-
-static int rmi_irq_map(struct irq_domain *h, unsigned int virq,
-		       irq_hw_number_t hw_irq_num)
-{
-	irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq);
-
-	return 0;
-}
-
-static const struct irq_domain_ops rmi_irq_ops = {
-	.map = rmi_irq_map,
-};
-
-static int rmi_setup_irq_domain(struct hid_device *hdev)
-{
-	struct rmi_data *hdata = hid_get_drvdata(hdev);
-	int ret;
-
-	hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1,
-						 &rmi_irq_ops, hdata);
-	if (!hdata->domain)
-		return -ENOMEM;
-
-	ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata);
-	if (ret)
-		return ret;
-
-	hdata->rmi_irq = irq_create_mapping(hdata->domain, 0);
-	if (hdata->rmi_irq <= 0) {
-		hid_err(hdev, "Can't allocate an IRQ\n");
-		return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO;
-	}
-
-	return 0;
-}
-
 static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	struct rmi_data *data = NULL;
@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)

 	mutex_init(&data->page_mutex);

-	ret = rmi_setup_irq_domain(hdev);
-	if (ret) {
-		hid_err(hdev, "failed to allocate IRQ domain\n");
-		return ret;
-	}
-
 	if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
 		rmi_hid_pdata.gpio_data.disable = true;

 	data->xport.dev = hdev->dev.parent;
 	data->xport.pdata = rmi_hid_pdata;
-	data->xport.pdata.irq = data->rmi_irq;
 	data->xport.proto_name = "hid";
 	data->xport.ops = &hid_rmi_ops;

diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index da27cd4a3c38..5404b4c407c5 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/device.h>
+#include <linux/dmi.h>
 #include <linux/io.h>
 #include <linux/err.h>
 #include <linux/fs.h>
@@ -2071,6 +2072,16 @@ static const struct amba_id etm4_ids[] = {
 	{},
 };

+static const struct dmi_system_id broken_coresight[] = {
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HPE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"),
+		},
+	},
+	{ }	/* terminating entry */
+};
+
 MODULE_DEVICE_TABLE(amba, etm4_ids);

 static struct amba_driver etm4x_amba_driver = {
@@ -2104,6 +2115,11 @@ static int __init etm4x_init(void)
 {
 	int ret;

+	if (dmi_check_system(broken_coresight)) {
+		pr_info("ETM4 disabled due to firmware bug\n");
+		return 0;
+	}
+
 	ret = etm4_pm_setup();

 	/* etm4_pm_setup() does its own cleanup - exit on error */
@@ -2130,6 +2146,9 @@ static int __init etm4x_init(void)

 static void __exit etm4x_exit(void)
 {
+	if (dmi_check_system(broken_coresight))
+		return;
+
 	amba_driver_unregister(&etm4x_amba_driver);
 	platform_driver_unregister(&etm4_platform_driver);
 	etm4_pm_clear();
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 258d5fe3d395..f7298e3dc8f3 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status,
 	attn_data.data = fifo_data;

 	kfifo_put(&drvdata->attn_fifo, attn_data);
+
+	schedule_work(&drvdata->attn_work);
 }
 EXPORT_SYMBOL_GPL(rmi_set_attn_data);

-static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
+static void attn_callback(struct work_struct *work)
 {
-	struct rmi_device *rmi_dev = dev_id;
-	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
+	struct rmi_driver_data *drvdata = container_of(work,
+							struct rmi_driver_data,
+							attn_work);
 	struct rmi4_attn_data attn_data = {0};
 	int ret, count;

 	count = kfifo_get(&drvdata->attn_fifo, &attn_data);
-	if (count) {
-		*(drvdata->irq_status) = attn_data.irq_status;
-		drvdata->attn_data = attn_data;
-	}
+	if (!count)
+		return;

-	ret = rmi_process_interrupt_requests(rmi_dev);
+	*(drvdata->irq_status) = attn_data.irq_status;
+	drvdata->attn_data = attn_data;
+
+	ret = rmi_process_interrupt_requests(drvdata->rmi_dev);
 	if (ret)
-		rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
+		rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev,
 			"Failed to process interrupt request: %d\n", ret);

-	if (count) {
-		kfree(attn_data.data);
-		drvdata->attn_data.data = NULL;
-	}
+	kfree(attn_data.data);
+	drvdata->attn_data.data = NULL;

 	if (!kfifo_is_empty(&drvdata->attn_fifo))
-		return rmi_irq_fn(irq, dev_id);
+		schedule_work(&drvdata->attn_work);
+}
+
+static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
+{
+	struct rmi_device *rmi_dev = dev_id;
+	int ret;
+
+	ret = rmi_process_interrupt_requests(rmi_dev);
+	if (ret)
+		rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
+			"Failed to process interrupt request: %d\n", ret);

 	return IRQ_HANDLED;
 }
@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
 static int rmi_irq_init(struct rmi_device *rmi_dev)
 {
 	struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev);
-	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
 	int irq_flags = irq_get_trigger_type(pdata->irq);
 	int ret;

@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev)
 		return ret;
 	}

-	data->enabled = true;
-
 	return 0;
 }

@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake)
 	if (data->enabled)
 		goto out;

-	enable_irq(irq);
-	data->enabled = true;
-	if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
-		retval = disable_irq_wake(irq);
-		if (retval)
-			dev_warn(&rmi_dev->dev,
-				 "Failed to disable irq for wake: %d\n",
-				 retval);
-	}
+	if (irq) {
+		enable_irq(irq);
+		data->enabled = true;
+		if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
+			retval = disable_irq_wake(irq);
+			if (retval)
+				dev_warn(&rmi_dev->dev,
+					 "Failed to disable irq for wake: %d\n",
+					 retval);
+		}

-	/*
-	 * Call rmi_process_interrupt_requests() after enabling irq,
-	 * otherwise we may lose interrupt on edge-triggered systems.
-	 */
-	irq_flags = irq_get_trigger_type(pdata->irq);
-	if (irq_flags & IRQ_TYPE_EDGE_BOTH)
-		rmi_process_interrupt_requests(rmi_dev);
+		/*
+		 * Call rmi_process_interrupt_requests() after enabling irq,
+		 * otherwise we may lose interrupt on edge-triggered systems.
+		 */
+		irq_flags = irq_get_trigger_type(pdata->irq);
+		if (irq_flags & IRQ_TYPE_EDGE_BOTH)
+			rmi_process_interrupt_requests(rmi_dev);
+	} else {
+		data->enabled = true;
+	}

 out:
 	mutex_unlock(&data->enabled_mutex);
@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake)
 		goto out;

 	data->enabled = false;
-	disable_irq(irq);
-	if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
-		retval = enable_irq_wake(irq);
-		if (retval)
-			dev_warn(&rmi_dev->dev,
-				 "Failed to enable irq for wake: %d\n",
-				 retval);
-	}
-
-	/* make sure the fifo is clean */
-	while (!kfifo_is_empty(&data->attn_fifo)) {
-		count = kfifo_get(&data->attn_fifo, &attn_data);
-		if (count)
-			kfree(attn_data.data);
+	if (irq) {
+		disable_irq(irq);
+		if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
+			retval = enable_irq_wake(irq);
+			if (retval)
+				dev_warn(&rmi_dev->dev,
+					 "Failed to enable irq for wake: %d\n",
+					 retval);
+		}
+	} else {
+		/* make sure the fifo is clean */
+		while (!kfifo_is_empty(&data->attn_fifo)) {
+			count = kfifo_get(&data->attn_fifo, &attn_data);
+			if (count)
+				kfree(attn_data.data);
+		}
 	}

 out:
@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev)
 	irq_domain_remove(data->irqdomain);
 	data->irqdomain = NULL;

+	cancel_work_sync(&data->attn_work);
+
 	rmi_f34_remove_sysfs(rmi_dev);
 	rmi_free_function_list(rmi_dev);

@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev)
 		}
 	}

-	retval = rmi_irq_init(rmi_dev);
-	if (retval < 0)
-		goto err_destroy_functions;
+	if (pdata->irq) {
+		retval = rmi_irq_init(rmi_dev);
+		if (retval < 0)
+			goto err_destroy_functions;
+	}
+
+	data->enabled = true;
+
+	INIT_WORK(&data->attn_work, attn_callback);

 	if (data->f01_container->dev.driver) {
 		/* Driver already bound, so enable ATTN now. */
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 63f0af10c403..195be16dbd39 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -7,6 +7,7 @@
 #define pr_fmt(fmt)    "iommu: " fmt

 #include <linux/device.h>
+#include <linux/dmi.h>
 #include <linux/kernel.h>
 #include <linux/bug.h>
 #include <linux/types.h>
@@ -3039,6 +3040,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle)
 }
 EXPORT_SYMBOL_GPL(iommu_sva_get_pasid);

+#ifdef CONFIG_ARM64
+static int __init iommu_quirks(void)
+{
+	const char *vendor, *name;
+
+	vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+	name = dmi_get_system_info(DMI_PRODUCT_NAME);
+
+	if (vendor &&
+	    (strncmp(vendor, "GIGABYTE", 8) == 0 && name &&
+	     (strncmp(name, "R120", 4) == 0 ||
+	      strncmp(name, "R270", 4) == 0))) {
+		pr_warn("Gigabyte %s detected, force iommu passthrough mode", name);
+		iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY;
+	}
+
+	return 0;
+}
+arch_initcall(iommu_quirks);
+#endif
+
 /*
  * Changes the default domain of an iommu group that has *only* one device
  *
diff --git a/drivers/net/wireguard/main.c b/drivers/net/wireguard/main.c
index 75dbe77b0b4b..4bd6dd722f44 100644
--- a/drivers/net/wireguard/main.c
+++ b/drivers/net/wireguard/main.c
@@ -12,6 +12,7 @@

 #include <uapi/linux/wireguard.h>

+#include <linux/fips.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/genetlink.h>
@@ -21,6 +22,11 @@ static int __init mod_init(void)
 {
 	int ret;

+#ifdef CONFIG_RHEL_DIFFERENCES
+	if (fips_enabled)
+		return -EOPNOTSUPP;
+#endif
+
 	ret = wg_allowedips_slab_init();
 	if (ret < 0)
 		goto err_allowedips;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 8c3c1ef92171..18431236ab9f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4232,6 +4232,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000,
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084,
 				quirk_bridge_cavm_thrx2_pcie_root);

+/*
+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller
+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by
+ * using BAR 4's resources which are populated correctly and NOT
+ * actually used by the AHCI controller.
+ */
+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev)
+{
+	struct resource *r =  &dev->resource[4];
+
+	if (!(r->flags & IORESOURCE_MEM) || (r->start == 0))
+		return;
+
+	/* Set BAR5 resource to BAR4 */
+	dev->resource[5] = *r;
+
+	/* Update BAR5 in pci config space */
+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start);
+
+	/* Clear BAR4's resource */
+	memset(r, 0, sizeof(*r));
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars);
+
 /*
  * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero)
  * class code.  Fix it.
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 86658a81d284..5647f4756e97 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5657,6 +5657,13 @@ static void hub_event(struct work_struct *work)
 			(u16) hub->change_bits[0],
 			(u16) hub->event_bits[0]);

+	/* Don't disconnect USB-SATA on TrimSlice */
+	if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) {
+		if ((hdev->state == 7) && (hub->change_bits[0] == 0) &&
+				(hub->event_bits[0] == 0x2))
+			hub->event_bits[0] = 0;
+	}
+
 	/* Lock the device, then check to see if we were
 	 * disconnected while waiting for the lock to succeed. */
 	usb_lock_device(hdev);
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 2c9e26a44546..f96324912d6a 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1539,10 +1539,6 @@ xfs_fs_fill_super(
 	if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5)
 		sb->s_flags |= SB_I_VERSION;

-	if (xfs_sb_version_hasbigtime(&mp->m_sb))
-		xfs_warn(mp,
- "EXPERIMENTAL big timestamp feature in use. Use at your own risk!");
-
 	if (mp->m_flags & XFS_MOUNT_DAX_ALWAYS) {
 		bool rtdev_is_dax = false, datadev_is_dax;

@@ -1598,10 +1594,6 @@ xfs_fs_fill_super(
 		goto out_filestream_unmount;
 	}

-	if (xfs_sb_version_hasinobtcounts(&mp->m_sb))
-		xfs_warn(mp,
- "EXPERIMENTAL inode btree counters feature in use. Use at your own risk!");
-
 	error = xfs_mountfs(mp);
 	if (error)
 		goto out_filestream_unmount;
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 6b5d36babfcc..fd4a5d66a9d0 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -43,6 +43,8 @@
 #define EFI_ABORTED		(21 | (1UL << (BITS_PER_LONG-1)))
 #define EFI_SECURITY_VIOLATION	(26 | (1UL << (BITS_PER_LONG-1)))

+#define EFI_IS_ERROR(x)		((x) & (1UL << (BITS_PER_LONG-1)))
+
 typedef unsigned long efi_status_t;
 typedef u8 efi_bool_t;
 typedef u16 efi_char16_t;		/* UNICODE character */
@@ -782,6 +784,14 @@ extern int __init efi_setup_pcdp_console(char *);
 #define EFI_MEM_ATTR		10	/* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */
 #define EFI_MEM_NO_SOFT_RESERVE	11	/* Is the kernel configured to ignore soft reservations? */
 #define EFI_PRESERVE_BS_REGIONS	12	/* Are EFI boot-services memory segments available? */
+#define EFI_SECURE_BOOT		13	/* Are we in Secure Boot mode? */
+
+enum efi_secureboot_mode {
+	efi_secureboot_mode_unset,
+	efi_secureboot_mode_unknown,
+	efi_secureboot_mode_disabled,
+	efi_secureboot_mode_enabled,
+};

 #ifdef CONFIG_EFI
 /*
@@ -793,6 +803,8 @@ static inline bool efi_enabled(int feature)
 }
 extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);

+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode);
+
 bool __pure __efi_soft_reserve_enabled(void);

 static inline bool __pure efi_soft_reserve_enabled(void)
@@ -813,6 +825,8 @@ static inline bool efi_enabled(int feature)
 static inline void
 efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}

+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {}
+
 static inline bool efi_soft_reserve_enabled(void)
 {
 	return false;
@@ -825,6 +839,7 @@ static inline bool efi_rt_services_supported(unsigned int mask)
 #endif

 extern int efi_status_to_err(efi_status_t status);
+extern const char *efi_status_to_str(efi_status_t status);

 /*
  * Variable Attributes
@@ -1077,13 +1092,6 @@ static inline bool efi_runtime_disabled(void) { return true; }
 extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
 extern unsigned long efi_call_virt_save_flags(void);

-enum efi_secureboot_mode {
-	efi_secureboot_mode_unset,
-	efi_secureboot_mode_unknown,
-	efi_secureboot_mode_disabled,
-	efi_secureboot_mode_enabled,
-};
-
 static inline
 enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var)
 {
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 2adeea44c0d5..517013ece679 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -394,6 +394,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux)
 #endif /* CONFIG_BPF_SYSCALL */

 LSM_HOOK(int, 0, locked_down, enum lockdown_reason what)
+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level)
+

 #ifdef CONFIG_PERF_EVENTS
 LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type)
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 5c4c5c0602cb..753b53038690 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1545,6 +1545,12 @@
  *
  *     @what: kernel feature being accessed
  *
+ * @lock_kernel_down
+ * 	Put the kernel into lock-down mode.
+ *
+ * 	@where: Where the lock-down is originating from (e.g. command line option)
+ * 	@level: The lock-down level (can only increase)
+ *
  * Security hooks for perf events
  *
  * @perf_event_open:
diff --git a/include/linux/random.h b/include/linux/random.h
index f45b8be3e3c4..7ccdec68b789 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -14,6 +14,11 @@

 #include <uapi/linux/random.h>

+struct random_extrng {
+	ssize_t (*extrng_read)(void __user *buf, size_t buflen);
+	struct module *owner;
+};
+
 struct random_ready_callback {
 	struct list_head list;
 	void (*func)(struct random_ready_callback *rdy);
@@ -44,6 +49,8 @@ extern bool rng_is_initialized(void);
 extern int add_random_ready_callback(struct random_ready_callback *rdy);
 extern void del_random_ready_callback(struct random_ready_callback *rdy);
 extern int __must_check get_random_bytes_arch(void *buf, int nbytes);
+void random_register_extrng(const struct random_extrng *rng);
+void random_unregister_extrng(void);

 #ifndef MODULE
 extern const struct file_operations random_fops, urandom_fops;
diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index ab7eea01ab42..fff7c5f737fc 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -364,6 +364,7 @@ struct rmi_driver_data {

 	struct rmi4_attn_data attn_data;
 	DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16);
+	struct work_struct attn_work;
 };

 int rmi_register_transport_device(struct rmi_transport_dev *xport);
diff --git a/include/linux/security.h b/include/linux/security.h
index 5b7288521300..f966f591c91e 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -472,6 +472,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
 int security_locked_down(enum lockdown_reason what);
+int security_lock_kernel_down(const char *where, enum lockdown_reason level);
 #else /* CONFIG_SECURITY */

 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
@@ -1348,6 +1349,10 @@ static inline int security_locked_down(enum lockdown_reason what)
 {
 	return 0;
 }
+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level)
+{
+	return 0;
+}
 #endif	/* CONFIG_SECURITY */

 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
diff --git a/init/Kconfig b/init/Kconfig
index 55f9f7738ebb..564553afb251 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1625,7 +1625,7 @@ config AIO
 	  this option saves about 7k.

 config IO_URING
-	bool "Enable IO uring support" if EXPERT
+	bool "Enable IO uring support"
 	select IO_WQ
 	default y
 	help
diff --git a/kernel/module_signing.c b/kernel/module_signing.c
index 8723ae70ea1f..fb2d773498c2 100644
--- a/kernel/module_signing.c
+++ b/kernel/module_signing.c
@@ -38,8 +38,15 @@ int mod_verify_sig(const void *mod, struct load_info *info)
 	modlen -= sig_len + sizeof(ms);
 	info->len = modlen;

-	return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
+	ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
 				      VERIFY_USE_SECONDARY_KEYRING,
 				      VERIFYING_MODULE_SIGNATURE,
 				      NULL, NULL);
+	if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) {
+		ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
+				VERIFY_USE_PLATFORM_KEYRING,
+				VERIFYING_MODULE_SIGNATURE,
+				NULL, NULL);
+	}
+	return ret;
 }
diff --git a/mm/cma.c b/mm/cma.c
index 995e15480937..588f7e7885cf 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -125,6 +125,12 @@ static void __init cma_activate_area(struct cma *cma)
 	spin_lock_init(&cma->mem_head_lock);
 #endif

+#ifdef CONFIG_RHEL_DIFFERENCES
+	/* s390x and ppc64 has been using CMA already in RHEL 8 as default. */
+	if (!IS_ENABLED(CONFIG_S390) && !IS_ENABLED(CONFIG_PPC64))
+		mark_tech_preview("CMA", NULL);
+#endif /* CONFIG_RHEL_DIFFERENCES */
+
 	return;

 not_in_zone:
@@ -437,6 +443,10 @@ struct page *cma_alloc(struct cma *cma, unsigned long count,
 	if (!cma || !cma->count || !cma->bitmap)
 		goto out;

+#ifdef CONFIG_RHEL_DIFFERENCES
+	pr_info_once("Initial CMA usage detected\n");
+#endif /* CONFIG_RHEL_DIFFERENCES */
+
 	pr_debug("%s(cma %p, count %lu, align %d)\n", __func__, (void *)cma,
 		 count, align);

diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
index f290f78c3f30..d3e7ae04f5be 100644
--- a/security/integrity/platform_certs/load_uefi.c
+++ b/security/integrity/platform_certs/load_uefi.c
@@ -46,7 +46,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
 		return NULL;

 	if (*status != EFI_BUFFER_TOO_SMALL) {
-		pr_err("Couldn't get size: 0x%lx\n", *status);
+		pr_err("Couldn't get size: %s (0x%lx)\n",
+		       efi_status_to_str(*status), *status);
 		return NULL;
 	}

@@ -57,7 +58,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
 	*status = efi.get_variable(name, guid, NULL, &lsize, db);
 	if (*status != EFI_SUCCESS) {
 		kfree(db);
-		pr_err("Error reading db var: 0x%lx\n", *status);
+		pr_err("Error reading db var: %s (0x%lx)\n",
+		       efi_status_to_str(*status), *status);
 		return NULL;
 	}

diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig
index e84ddf484010..d0501353a4b9 100644
--- a/security/lockdown/Kconfig
+++ b/security/lockdown/Kconfig
@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY
 	  subsystem is fully initialised. If enabled, lockdown will
 	  unconditionally be called before any other LSMs.

+config LOCK_DOWN_IN_EFI_SECURE_BOOT
+	bool "Lock down the kernel in EFI Secure Boot mode"
+	default n
+	depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY
+	help
+	  UEFI Secure Boot provides a mechanism for ensuring that the firmware
+	  will only load signed bootloaders and kernels.  Secure boot mode may
+	  be determined from EFI variables provided by the system firmware if
+	  not indicated by the boot parameters.
+
+	  Enabling this option results in kernel lockdown being triggered if
+	  EFI Secure Boot is set.
+
 choice
 	prompt "Kernel default lockdown mode"
 	default LOCK_DOWN_KERNEL_FORCE_NONE
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 87cbdc64d272..18555cf18da7 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what)

 static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = {
 	LSM_HOOK_INIT(locked_down, lockdown_is_locked_down),
+	LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down),
 };

 static int __init lockdown_lsm_init(void)
diff --git a/security/security.c b/security/security.c
index 9ffa9e9c5c55..36484cc9842d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2599,6 +2599,12 @@ int security_locked_down(enum lockdown_reason what)
 }
 EXPORT_SYMBOL(security_locked_down);

+int security_lock_kernel_down(const char *where, enum lockdown_reason level)
+{
+	return call_int_hook(lock_kernel_down, 0, where, level);
+}
+EXPORT_SYMBOL(security_lock_kernel_down);
+
 #ifdef CONFIG_PERF_EVENTS
 int security_perf_event_open(struct perf_event_attr *attr, int type)
 {
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index f405b20c1e6c..a8e298a22709 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -424,7 +424,6 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o:			\
 		      $(TRUNNER_BPF_OBJS)				\
 		      $(TRUNNER_BPF_SKELS)				\
 		      $(TRUNNER_BPF_LSKELS)				\
-		      $(TRUNNER_BPF_SKELS_LINKED)			\
 		      $$(BPFOBJ) | $(TRUNNER_OUTPUT)
 	$$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
 	$(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c b/tools/testing/selftests/bpf/prog_tests/linked_funcs.c
deleted file mode 100644
index e9916f2817ec..000000000000
--- a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include <test_progs.h>
-#include <sys/syscall.h>
-#include "linked_funcs.skel.h"
-
-void test_linked_funcs(void)
-{
-	int err;
-	struct linked_funcs *skel;
-
-	skel = linked_funcs__open();
-	if (!ASSERT_OK_PTR(skel, "skel_open"))
-		return;
-
-	skel->rodata->my_tid = syscall(SYS_gettid);
-	skel->bss->syscall_id = SYS_getpgid;
-
-	err = linked_funcs__load(skel);
-	if (!ASSERT_OK(err, "skel_load"))
-		goto cleanup;
-
-	err = linked_funcs__attach(skel);
-	if (!ASSERT_OK(err, "skel_attach"))
-		goto cleanup;
-
-	/* trigger */
-	syscall(SYS_getpgid);
-
-	ASSERT_EQ(skel->bss->output_val1, 2000 + 2000, "output_val1");
-	ASSERT_EQ(skel->bss->output_ctx1, SYS_getpgid, "output_ctx1");
-	ASSERT_EQ(skel->bss->output_weak1, 42, "output_weak1");
-
-	ASSERT_EQ(skel->bss->output_val2, 2 * 1000 + 2 * (2 * 1000), "output_val2");
-	ASSERT_EQ(skel->bss->output_ctx2, SYS_getpgid, "output_ctx2");
-	/* output_weak2 should never be updated */
-	ASSERT_EQ(skel->bss->output_weak2, 0, "output_weak2");
-
-cleanup:
-	linked_funcs__destroy(skel);
-}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_maps.c b/tools/testing/selftests/bpf/prog_tests/linked_maps.c
deleted file mode 100644
index 85dcaaaf2775..000000000000
--- a/tools/testing/selftests/bpf/prog_tests/linked_maps.c
+++ /dev/null
@@ -1,30 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include <test_progs.h>
-#include <sys/syscall.h>
-#include "linked_maps.skel.h"
-
-void test_linked_maps(void)
-{
-	int err;
-	struct linked_maps *skel;
-
-	skel = linked_maps__open_and_load();
-	if (!ASSERT_OK_PTR(skel, "skel_open"))
-		return;
-
-	err = linked_maps__attach(skel);
-	if (!ASSERT_OK(err, "skel_attach"))
-		goto cleanup;
-
-	/* trigger */
-	syscall(SYS_getpgid);
-
-	ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1");
-	ASSERT_EQ(skel->bss->output_second1, 2, "output_second1");
-	ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1");
-
-cleanup:
-	linked_maps__destroy(skel);
-}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_vars.c b/tools/testing/selftests/bpf/prog_tests/linked_vars.c
deleted file mode 100644
index 267166abe4c1..000000000000
--- a/tools/testing/selftests/bpf/prog_tests/linked_vars.c
+++ /dev/null
@@ -1,43 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include <test_progs.h>
-#include <sys/syscall.h>
-#include "linked_vars.skel.h"
-
-void test_linked_vars(void)
-{
-	int err;
-	struct linked_vars *skel;
-
-	skel = linked_vars__open();
-	if (!ASSERT_OK_PTR(skel, "skel_open"))
-		return;
-
-	skel->bss->input_bss1 = 1000;
-	skel->bss->input_bss2 = 2000;
-	skel->bss->input_bss_weak = 3000;
-
-	err = linked_vars__load(skel);
-	if (!ASSERT_OK(err, "skel_load"))
-		goto cleanup;
-
-	err = linked_vars__attach(skel);
-	if (!ASSERT_OK(err, "skel_attach"))
-		goto cleanup;
-
-	/* trigger */
-	syscall(SYS_getpgid);
-
-	ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1");
-	ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2");
-	/* 10 comes from "winner" input_data_weak in first obj file */
-	ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1");
-	ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2");
-	/* 100 comes from "winner" input_rodata_weak in first obj file */
-	ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1");
-	ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2");
-
-cleanup:
-	linked_vars__destroy(skel);
-}
diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c
deleted file mode 100644
index f62df4d023f9..000000000000
--- a/tools/testing/selftests/bpf/progs/bpf_cubic.c
+++ /dev/null
@@ -1,545 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-
-/* WARNING: This implemenation is not necessarily the same
- * as the tcp_cubic.c.  The purpose is mainly for testing
- * the kernel BPF logic.
- *
- * Highlights:
- * 1. CONFIG_HZ .kconfig map is used.
- * 2. In bictcp_update(), calculation is changed to use usec
- *    resolution (i.e. USEC_PER_JIFFY) instead of using jiffies.
- *    Thus, usecs_to_jiffies() is not used in the bpf_cubic.c.
- * 3. In bitctcp_update() [under tcp_friendliness], the original
- *    "while (ca->ack_cnt > delta)" loop is changed to the equivalent
- *    "ca->ack_cnt / delta" operation.
- */
-
-#include <linux/bpf.h>
-#include <linux/stddef.h>
-#include <linux/tcp.h>
-#include "bpf_tcp_helpers.h"
-
-char _license[] SEC("license") = "GPL";
-
-#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
-
-#define BICTCP_BETA_SCALE    1024	/* Scale factor beta calculation
-					 * max_cwnd = snd_cwnd * beta
-					 */
-#define	BICTCP_HZ		10	/* BIC HZ 2^10 = 1024 */
-
-/* Two methods of hybrid slow start */
-#define HYSTART_ACK_TRAIN	0x1
-#define HYSTART_DELAY		0x2
-
-/* Number of delay samples for detecting the increase of delay */
-#define HYSTART_MIN_SAMPLES	8
-#define HYSTART_DELAY_MIN	(4000U)	/* 4ms */
-#define HYSTART_DELAY_MAX	(16000U)	/* 16 ms */
-#define HYSTART_DELAY_THRESH(x)	clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
-
-static int fast_convergence = 1;
-static const int beta = 717;	/* = 717/1024 (BICTCP_BETA_SCALE) */
-static int initial_ssthresh;
-static const int bic_scale = 41;
-static int tcp_friendliness = 1;
-
-static int hystart = 1;
-static int hystart_detect = HYSTART_ACK_TRAIN | HYSTART_DELAY;
-static int hystart_low_window = 16;
-static int hystart_ack_delta_us = 2000;
-
-static const __u32 cube_rtt_scale = (bic_scale * 10);	/* 1024*c/rtt */
-static const __u32 beta_scale = 8*(BICTCP_BETA_SCALE+beta) / 3
-				/ (BICTCP_BETA_SCALE - beta);
-/* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
- *  so K = cubic_root( (wmax-cwnd)*rtt/c )
- * the unit of K is bictcp_HZ=2^10, not HZ
- *
- *  c = bic_scale >> 10
- *  rtt = 100ms
- *
- * the following code has been designed and tested for
- * cwnd < 1 million packets
- * RTT < 100 seconds
- * HZ < 1,000,00  (corresponding to 10 nano-second)
- */
-
-/* 1/c * 2^2*bictcp_HZ * srtt, 2^40 */
-static const __u64 cube_factor = (__u64)(1ull << (10+3*BICTCP_HZ))
-				/ (bic_scale * 10);
-
-/* BIC TCP Parameters */
-struct bictcp {
-	__u32	cnt;		/* increase cwnd by 1 after ACKs */
-	__u32	last_max_cwnd;	/* last maximum snd_cwnd */
-	__u32	last_cwnd;	/* the last snd_cwnd */
-	__u32	last_time;	/* time when updated last_cwnd */
-	__u32	bic_origin_point;/* origin point of bic function */
-	__u32	bic_K;		/* time to origin point
-				   from the beginning of the current epoch */
-	__u32	delay_min;	/* min delay (usec) */
-	__u32	epoch_start;	/* beginning of an epoch */
-	__u32	ack_cnt;	/* number of acks */
-	__u32	tcp_cwnd;	/* estimated tcp cwnd */
-	__u16	unused;
-	__u8	sample_cnt;	/* number of samples to decide curr_rtt */
-	__u8	found;		/* the exit point is found? */
-	__u32	round_start;	/* beginning of each round */
-	__u32	end_seq;	/* end_seq of the round */
-	__u32	last_ack;	/* last time when the ACK spacing is close */
-	__u32	curr_rtt;	/* the minimum rtt of current round */
-};
-
-static inline void bictcp_reset(struct bictcp *ca)
-{
-	ca->cnt = 0;
-	ca->last_max_cwnd = 0;
-	ca->last_cwnd = 0;
-	ca->last_time = 0;
-	ca->bic_origin_point = 0;
-	ca->bic_K = 0;
-	ca->delay_min = 0;
-	ca->epoch_start = 0;
-	ca->ack_cnt = 0;
-	ca->tcp_cwnd = 0;
-	ca->found = 0;
-}
-
-extern unsigned long CONFIG_HZ __kconfig;
-#define HZ CONFIG_HZ
-#define USEC_PER_MSEC	1000UL
-#define USEC_PER_SEC	1000000UL
-#define USEC_PER_JIFFY	(USEC_PER_SEC / HZ)
-
-static __always_inline __u64 div64_u64(__u64 dividend, __u64 divisor)
-{
-	return dividend / divisor;
-}
-
-#define div64_ul div64_u64
-
-#define BITS_PER_U64 (sizeof(__u64) * 8)
-static __always_inline int fls64(__u64 x)
-{
-	int num = BITS_PER_U64 - 1;
-
-	if (x == 0)
-		return 0;
-
-	if (!(x & (~0ull << (BITS_PER_U64-32)))) {
-		num -= 32;
-		x <<= 32;
-	}
-	if (!(x & (~0ull << (BITS_PER_U64-16)))) {
-		num -= 16;
-		x <<= 16;
-	}
-	if (!(x & (~0ull << (BITS_PER_U64-8)))) {
-		num -= 8;
-		x <<= 8;
-	}
-	if (!(x & (~0ull << (BITS_PER_U64-4)))) {
-		num -= 4;
-		x <<= 4;
-	}
-	if (!(x & (~0ull << (BITS_PER_U64-2)))) {
-		num -= 2;
-		x <<= 2;
-	}
-	if (!(x & (~0ull << (BITS_PER_U64-1))))
-		num -= 1;
-
-	return num + 1;
-}
-
-static __always_inline __u32 bictcp_clock_us(const struct sock *sk)
-{
-	return tcp_sk(sk)->tcp_mstamp;
-}
-
-static __always_inline void bictcp_hystart_reset(struct sock *sk)
-{
-	struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-
-	ca->round_start = ca->last_ack = bictcp_clock_us(sk);
-	ca->end_seq = tp->snd_nxt;
-	ca->curr_rtt = ~0U;
-	ca->sample_cnt = 0;
-}
-
-/* "struct_ops/" prefix is not a requirement
- * It will be recognized as BPF_PROG_TYPE_STRUCT_OPS
- * as long as it is used in one of the func ptr
- * under SEC(".struct_ops").
- */
-SEC("struct_ops/bpf_cubic_init")
-void BPF_PROG(bpf_cubic_init, struct sock *sk)
-{
-	struct bictcp *ca = inet_csk_ca(sk);
-
-	bictcp_reset(ca);
-
-	if (hystart)
-		bictcp_hystart_reset(sk);
-
-	if (!hystart && initial_ssthresh)
-		tcp_sk(sk)->snd_ssthresh = initial_ssthresh;
-}
-
-/* No prefix in SEC will also work.
- * The remaining tcp-cubic functions have an easier way.
- */
-SEC("no-sec-prefix-bictcp_cwnd_event")
-void BPF_PROG(bpf_cubic_cwnd_event, struct sock *sk, enum tcp_ca_event event)
-{
-	if (event == CA_EVENT_TX_START) {
-		struct bictcp *ca = inet_csk_ca(sk);
-		__u32 now = tcp_jiffies32;
-		__s32 delta;
-
-		delta = now - tcp_sk(sk)->lsndtime;
-
-		/* We were application limited (idle) for a while.
-		 * Shift epoch_start to keep cwnd growth to cubic curve.
-		 */
-		if (ca->epoch_start && delta > 0) {
-			ca->epoch_start += delta;
-			if (after(ca->epoch_start, now))
-				ca->epoch_start = now;
-		}
-		return;
-	}
-}
-
-/*
- * cbrt(x) MSB values for x MSB values in [0..63].
- * Precomputed then refined by hand - Willy Tarreau
- *
- * For x in [0..63],
- *   v = cbrt(x << 18) - 1
- *   cbrt(x) = (v[x] + 10) >> 6
- */
-static const __u8 v[] = {
-	/* 0x00 */    0,   54,   54,   54,  118,  118,  118,  118,
-	/* 0x08 */  123,  129,  134,  138,  143,  147,  151,  156,
-	/* 0x10 */  157,  161,  164,  168,  170,  173,  176,  179,
-	/* 0x18 */  181,  185,  187,  190,  192,  194,  197,  199,
-	/* 0x20 */  200,  202,  204,  206,  209,  211,  213,  215,
-	/* 0x28 */  217,  219,  221,  222,  224,  225,  227,  229,
-	/* 0x30 */  231,  232,  234,  236,  237,  239,  240,  242,
-	/* 0x38 */  244,  245,  246,  248,  250,  251,  252,  254,
-};
-
-/* calculate the cubic root of x using a table lookup followed by one
- * Newton-Raphson iteration.
- * Avg err ~= 0.195%
- */
-static __always_inline __u32 cubic_root(__u64 a)
-{
-	__u32 x, b, shift;
-
-	if (a < 64) {
-		/* a in [0..63] */
-		return ((__u32)v[(__u32)a] + 35) >> 6;
-	}
-
-	b = fls64(a);
-	b = ((b * 84) >> 8) - 1;
-	shift = (a >> (b * 3));
-
-	/* it is needed for verifier's bound check on v */
-	if (shift >= 64)
-		return 0;
-
-	x = ((__u32)(((__u32)v[shift] + 10) << b)) >> 6;
-
-	/*
-	 * Newton-Raphson iteration
-	 *                         2
-	 * x    = ( 2 * x  +  a / x  ) / 3
-	 *  k+1          k         k
-	 */
-	x = (2 * x + (__u32)div64_u64(a, (__u64)x * (__u64)(x - 1)));
-	x = ((x * 341) >> 10);
-	return x;
-}
-
-/*
- * Compute congestion window to use.
- */
-static __always_inline void bictcp_update(struct bictcp *ca, __u32 cwnd,
-					  __u32 acked)
-{
-	__u32 delta, bic_target, max_cnt;
-	__u64 offs, t;
-
-	ca->ack_cnt += acked;	/* count the number of ACKed packets */
-
-	if (ca->last_cwnd == cwnd &&
-	    (__s32)(tcp_jiffies32 - ca->last_time) <= HZ / 32)
-		return;
-
-	/* The CUBIC function can update ca->cnt at most once per jiffy.
-	 * On all cwnd reduction events, ca->epoch_start is set to 0,
-	 * which will force a recalculation of ca->cnt.
-	 */
-	if (ca->epoch_start && tcp_jiffies32 == ca->last_time)
-		goto tcp_friendliness;
-
-	ca->last_cwnd = cwnd;
-	ca->last_time = tcp_jiffies32;
-
-	if (ca->epoch_start == 0) {
-		ca->epoch_start = tcp_jiffies32;	/* record beginning */
-		ca->ack_cnt = acked;			/* start counting */
-		ca->tcp_cwnd = cwnd;			/* syn with cubic */
-
-		if (ca->last_max_cwnd <= cwnd) {
-			ca->bic_K = 0;
-			ca->bic_origin_point = cwnd;
-		} else {
-			/* Compute new K based on
-			 * (wmax-cwnd) * (srtt>>3 / HZ) / c * 2^(3*bictcp_HZ)
-			 */
-			ca->bic_K = cubic_root(cube_factor
-					       * (ca->last_max_cwnd - cwnd));
-			ca->bic_origin_point = ca->last_max_cwnd;
-		}
-	}
-
-	/* cubic function - calc*/
-	/* calculate c * time^3 / rtt,
-	 *  while considering overflow in calculation of time^3
-	 * (so time^3 is done by using 64 bit)
-	 * and without the support of division of 64bit numbers
-	 * (so all divisions are done by using 32 bit)
-	 *  also NOTE the unit of those veriables
-	 *	  time  = (t - K) / 2^bictcp_HZ
-	 *	  c = bic_scale >> 10
-	 * rtt  = (srtt >> 3) / HZ
-	 * !!! The following code does not have overflow problems,
-	 * if the cwnd < 1 million packets !!!
-	 */
-
-	t = (__s32)(tcp_jiffies32 - ca->epoch_start) * USEC_PER_JIFFY;
-	t += ca->delay_min;
-	/* change the unit from usec to bictcp_HZ */
-	t <<= BICTCP_HZ;
-	t /= USEC_PER_SEC;
-
-	if (t < ca->bic_K)		/* t - K */
-		offs = ca->bic_K - t;
-	else
-		offs = t - ca->bic_K;
-
-	/* c/rtt * (t-K)^3 */
-	delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ);
-	if (t < ca->bic_K)                            /* below origin*/
-		bic_target = ca->bic_origin_point - delta;
-	else                                          /* above origin*/
-		bic_target = ca->bic_origin_point + delta;
-
-	/* cubic function - calc bictcp_cnt*/
-	if (bic_target > cwnd) {
-		ca->cnt = cwnd / (bic_target - cwnd);
-	} else {
-		ca->cnt = 100 * cwnd;              /* very small increment*/
-	}
-
-	/*
-	 * The initial growth of cubic function may be too conservative
-	 * when the available bandwidth is still unknown.
-	 */
-	if (ca->last_max_cwnd == 0 && ca->cnt > 20)
-		ca->cnt = 20;	/* increase cwnd 5% per RTT */
-
-tcp_friendliness:
-	/* TCP Friendly */
-	if (tcp_friendliness) {
-		__u32 scale = beta_scale;
-		__u32 n;
-
-		/* update tcp cwnd */
-		delta = (cwnd * scale) >> 3;
-		if (ca->ack_cnt > delta && delta) {
-			n = ca->ack_cnt / delta;
-			ca->ack_cnt -= n * delta;
-			ca->tcp_cwnd += n;
-		}
-
-		if (ca->tcp_cwnd > cwnd) {	/* if bic is slower than tcp */
-			delta = ca->tcp_cwnd - cwnd;
-			max_cnt = cwnd / delta;
-			if (ca->cnt > max_cnt)
-				ca->cnt = max_cnt;
-		}
-	}
-
-	/* The maximum rate of cwnd increase CUBIC allows is 1 packet per
-	 * 2 packets ACKed, meaning cwnd grows at 1.5x per RTT.
-	 */
-	ca->cnt = max(ca->cnt, 2U);
-}
-
-/* Or simply use the BPF_STRUCT_OPS to avoid the SEC boiler plate. */
-void BPF_STRUCT_OPS(bpf_cubic_cong_avoid, struct sock *sk, __u32 ack, __u32 acked)
-{
-	struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-
-	if (!tcp_is_cwnd_limited(sk))
-		return;
-
-	if (tcp_in_slow_start(tp)) {
-		if (hystart && after(ack, ca->end_seq))
-			bictcp_hystart_reset(sk);
-		acked = tcp_slow_start(tp, acked);
-		if (!acked)
-			return;
-	}
-	bictcp_update(ca, tp->snd_cwnd, acked);
-	tcp_cong_avoid_ai(tp, ca->cnt, acked);
-}
-
-__u32 BPF_STRUCT_OPS(bpf_cubic_recalc_ssthresh, struct sock *sk)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-
-	ca->epoch_start = 0;	/* end of epoch */
-
-	/* Wmax and fast convergence */
-	if (tp->snd_cwnd < ca->last_max_cwnd && fast_convergence)
-		ca->last_max_cwnd = (tp->snd_cwnd * (BICTCP_BETA_SCALE + beta))
-			/ (2 * BICTCP_BETA_SCALE);
-	else
-		ca->last_max_cwnd = tp->snd_cwnd;
-
-	return max((tp->snd_cwnd * beta) / BICTCP_BETA_SCALE, 2U);
-}
-
-void BPF_STRUCT_OPS(bpf_cubic_state, struct sock *sk, __u8 new_state)
-{
-	if (new_state == TCP_CA_Loss) {
-		bictcp_reset(inet_csk_ca(sk));
-		bictcp_hystart_reset(sk);
-	}
-}
-
-#define GSO_MAX_SIZE		65536
-
-/* Account for TSO/GRO delays.
- * Otherwise short RTT flows could get too small ssthresh, since during
- * slow start we begin with small TSO packets and ca->delay_min would
- * not account for long aggregation delay when TSO packets get bigger.
- * Ideally even with a very small RTT we would like to have at least one
- * TSO packet being sent and received by GRO, and another one in qdisc layer.
- * We apply another 100% factor because @rate is doubled at this point.
- * We cap the cushion to 1ms.
- */
-static __always_inline __u32 hystart_ack_delay(struct sock *sk)
-{
-	unsigned long rate;
-
-	rate = sk->sk_pacing_rate;
-	if (!rate)
-		return 0;
-	return min((__u64)USEC_PER_MSEC,
-		   div64_ul((__u64)GSO_MAX_SIZE * 4 * USEC_PER_SEC, rate));
-}
-
-static __always_inline void hystart_update(struct sock *sk, __u32 delay)
-{
-	struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-	__u32 threshold;
-
-	if (hystart_detect & HYSTART_ACK_TRAIN) {
-		__u32 now = bictcp_clock_us(sk);
-
-		/* first detection parameter - ack-train detection */
-		if ((__s32)(now - ca->last_ack) <= hystart_ack_delta_us) {
-			ca->last_ack = now;
-
-			threshold = ca->delay_min + hystart_ack_delay(sk);
-
-			/* Hystart ack train triggers if we get ack past
-			 * ca->delay_min/2.
-			 * Pacing might have delayed packets up to RTT/2
-			 * during slow start.
-			 */
-			if (sk->sk_pacing_status == SK_PACING_NONE)
-				threshold >>= 1;
-
-			if ((__s32)(now - ca->round_start) > threshold) {
-				ca->found = 1;
-				tp->snd_ssthresh = tp->snd_cwnd;
-			}
-		}
-	}
-
-	if (hystart_detect & HYSTART_DELAY) {
-		/* obtain the minimum delay of more than sampling packets */
-		if (ca->curr_rtt > delay)
-			ca->curr_rtt = delay;
-		if (ca->sample_cnt < HYSTART_MIN_SAMPLES) {
-			ca->sample_cnt++;
-		} else {
-			if (ca->curr_rtt > ca->delay_min +
-			    HYSTART_DELAY_THRESH(ca->delay_min >> 3)) {
-				ca->found = 1;
-				tp->snd_ssthresh = tp->snd_cwnd;
-			}
-		}
-	}
-}
-
-void BPF_STRUCT_OPS(bpf_cubic_acked, struct sock *sk,
-		    const struct ack_sample *sample)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-	__u32 delay;
-
-	/* Some calls are for duplicates without timetamps */
-	if (sample->rtt_us < 0)
-		return;
-
-	/* Discard delay samples right after fast recovery */
-	if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < HZ)
-		return;
-
-	delay = sample->rtt_us;
-	if (delay == 0)
-		delay = 1;
-
-	/* first time call or link delay decreases */
-	if (ca->delay_min == 0 || ca->delay_min > delay)
-		ca->delay_min = delay;
-
-	/* hystart triggers when cwnd is larger than some threshold */
-	if (!ca->found && tcp_in_slow_start(tp) && hystart &&
-	    tp->snd_cwnd >= hystart_low_window)
-		hystart_update(sk, delay);
-}
-
-extern __u32 tcp_reno_undo_cwnd(struct sock *sk) __ksym;
-
-__u32 BPF_STRUCT_OPS(bpf_cubic_undo_cwnd, struct sock *sk)
-{
-	return tcp_reno_undo_cwnd(sk);
-}
-
-SEC(".struct_ops")
-struct tcp_congestion_ops cubic = {
-	.init		= (void *)bpf_cubic_init,
-	.ssthresh	= (void *)bpf_cubic_recalc_ssthresh,
-	.cong_avoid	= (void *)bpf_cubic_cong_avoid,
-	.set_state	= (void *)bpf_cubic_state,
-	.undo_cwnd	= (void *)bpf_cubic_undo_cwnd,
-	.cwnd_event	= (void *)bpf_cubic_cwnd_event,
-	.pkts_acked     = (void *)bpf_cubic_acked,
-	.name		= "bpf_cubic",
-};
diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c
deleted file mode 100644
index fd42247da8b4..000000000000
--- a/tools/testing/selftests/bpf/progs/bpf_dctcp.c
+++ /dev/null
@@ -1,224 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2019 Facebook */
-
-/* WARNING: This implemenation is not necessarily the same
- * as the tcp_dctcp.c.  The purpose is mainly for testing
- * the kernel BPF logic.
- */
-
-#include <stddef.h>
-#include <linux/bpf.h>
-#include <linux/types.h>
-#include <linux/stddef.h>
-#include <linux/tcp.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-#include "bpf_tcp_helpers.h"
-
-char _license[] SEC("license") = "GPL";
-
-int stg_result = 0;
-
-struct {
-	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
-	__uint(map_flags, BPF_F_NO_PREALLOC);
-	__type(key, int);
-	__type(value, int);
-} sk_stg_map SEC(".maps");
-
-#define DCTCP_MAX_ALPHA	1024U
-
-struct dctcp {
-	__u32 old_delivered;
-	__u32 old_delivered_ce;
-	__u32 prior_rcv_nxt;
-	__u32 dctcp_alpha;
-	__u32 next_seq;
-	__u32 ce_state;
-	__u32 loss_cwnd;
-};
-
-static unsigned int dctcp_shift_g = 4; /* g = 1/2^4 */
-static unsigned int dctcp_alpha_on_init = DCTCP_MAX_ALPHA;
-
-static __always_inline void dctcp_reset(const struct tcp_sock *tp,
-					struct dctcp *ca)
-{
-	ca->next_seq = tp->snd_nxt;
-
-	ca->old_delivered = tp->delivered;
-	ca->old_delivered_ce = tp->delivered_ce;
-}
-
-SEC("struct_ops/dctcp_init")
-void BPF_PROG(dctcp_init, struct sock *sk)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct dctcp *ca = inet_csk_ca(sk);
-	int *stg;
-
-	ca->prior_rcv_nxt = tp->rcv_nxt;
-	ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA);
-	ca->loss_cwnd = 0;
-	ca->ce_state = 0;
-
-	stg = bpf_sk_storage_get(&sk_stg_map, (void *)tp, NULL, 0);
-	if (stg) {
-		stg_result = *stg;
-		bpf_sk_storage_delete(&sk_stg_map, (void *)tp);
-	}
-	dctcp_reset(tp, ca);
-}
-
-SEC("struct_ops/dctcp_ssthresh")
-__u32 BPF_PROG(dctcp_ssthresh, struct sock *sk)
-{
-	struct dctcp *ca = inet_csk_ca(sk);
-	struct tcp_sock *tp = tcp_sk(sk);
-
-	ca->loss_cwnd = tp->snd_cwnd;
-	return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U);
-}
-
-SEC("struct_ops/dctcp_update_alpha")
-void BPF_PROG(dctcp_update_alpha, struct sock *sk, __u32 flags)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct dctcp *ca = inet_csk_ca(sk);
-
-	/* Expired RTT */
-	if (!before(tp->snd_una, ca->next_seq)) {
-		__u32 delivered_ce = tp->delivered_ce - ca->old_delivered_ce;
-		__u32 alpha = ca->dctcp_alpha;
-
-		/* alpha = (1 - g) * alpha + g * F */
-
-		alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g);
-		if (delivered_ce) {
-			__u32 delivered = tp->delivered - ca->old_delivered;
-
-			/* If dctcp_shift_g == 1, a 32bit value would overflow
-			 * after 8 M packets.
-			 */
-			delivered_ce <<= (10 - dctcp_shift_g);
-			delivered_ce /= max(1U, delivered);
-
-			alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA);
-		}
-		ca->dctcp_alpha = alpha;
-		dctcp_reset(tp, ca);
-	}
-}
-
-static __always_inline void dctcp_react_to_loss(struct sock *sk)
-{
-	struct dctcp *ca = inet_csk_ca(sk);
-	struct tcp_sock *tp = tcp_sk(sk);
-
-	ca->loss_cwnd = tp->snd_cwnd;
-	tp->snd_ssthresh = max(tp->snd_cwnd >> 1U, 2U);
-}
-
-SEC("struct_ops/dctcp_state")
-void BPF_PROG(dctcp_state, struct sock *sk, __u8 new_state)
-{
-	if (new_state == TCP_CA_Recovery &&
-	    new_state != BPF_CORE_READ_BITFIELD(inet_csk(sk), icsk_ca_state))
-		dctcp_react_to_loss(sk);
-	/* We handle RTO in dctcp_cwnd_event to ensure that we perform only
-	 * one loss-adjustment per RTT.
-	 */
-}
-
-static __always_inline void dctcp_ece_ack_cwr(struct sock *sk, __u32 ce_state)
-{
-	struct tcp_sock *tp = tcp_sk(sk);
-
-	if (ce_state == 1)
-		tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
-	else
-		tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR;
-}
-
-/* Minimal DCTP CE state machine:
- *
- * S:	0 <- last pkt was non-CE
- *	1 <- last pkt was CE
- */
-static __always_inline
-void dctcp_ece_ack_update(struct sock *sk, enum tcp_ca_event evt,
-			  __u32 *prior_rcv_nxt, __u32 *ce_state)
-{
-	__u32 new_ce_state = (evt == CA_EVENT_ECN_IS_CE) ? 1 : 0;
-
-	if (*ce_state != new_ce_state) {
-		/* CE state has changed, force an immediate ACK to
-		 * reflect the new CE state. If an ACK was delayed,
-		 * send that first to reflect the prior CE state.
-		 */
-		if (inet_csk(sk)->icsk_ack.pending & ICSK_ACK_TIMER) {
-			dctcp_ece_ack_cwr(sk, *ce_state);
-			bpf_tcp_send_ack(sk, *prior_rcv_nxt);
-		}
-		inet_csk(sk)->icsk_ack.pending |= ICSK_ACK_NOW;
-	}
-	*prior_rcv_nxt = tcp_sk(sk)->rcv_nxt;
-	*ce_state = new_ce_state;
-	dctcp_ece_ack_cwr(sk, new_ce_state);
-}
-
-SEC("struct_ops/dctcp_cwnd_event")
-void BPF_PROG(dctcp_cwnd_event, struct sock *sk, enum tcp_ca_event ev)
-{
-	struct dctcp *ca = inet_csk_ca(sk);
-
-	switch (ev) {
-	case CA_EVENT_ECN_IS_CE:
-	case CA_EVENT_ECN_NO_CE:
-		dctcp_ece_ack_update(sk, ev, &ca->prior_rcv_nxt, &ca->ce_state);
-		break;
-	case CA_EVENT_LOSS:
-		dctcp_react_to_loss(sk);
-		break;
-	default:
-		/* Don't care for the rest. */
-		break;
-	}
-}
-
-SEC("struct_ops/dctcp_cwnd_undo")
-__u32 BPF_PROG(dctcp_cwnd_undo, struct sock *sk)
-{
-	const struct dctcp *ca = inet_csk_ca(sk);
-
-	return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd);
-}
-
-extern void tcp_reno_cong_avoid(struct sock *sk, __u32 ack, __u32 acked) __ksym;
-
-SEC("struct_ops/dctcp_reno_cong_avoid")
-void BPF_PROG(dctcp_cong_avoid, struct sock *sk, __u32 ack, __u32 acked)
-{
-	tcp_reno_cong_avoid(sk, ack, acked);
-}
-
-SEC(".struct_ops")
-struct tcp_congestion_ops dctcp_nouse = {
-	.init		= (void *)dctcp_init,
-	.set_state	= (void *)dctcp_state,
-	.flags		= TCP_CONG_NEEDS_ECN,
-	.name		= "bpf_dctcp_nouse",
-};
-
-SEC(".struct_ops")
-struct tcp_congestion_ops dctcp = {
-	.init		= (void *)dctcp_init,
-	.in_ack_event   = (void *)dctcp_update_alpha,
-	.cwnd_event	= (void *)dctcp_cwnd_event,
-	.ssthresh	= (void *)dctcp_ssthresh,
-	.cong_avoid	= (void *)dctcp_cong_avoid,
-	.undo_cwnd	= (void *)dctcp_cwnd_undo,
-	.set_state	= (void *)dctcp_state,
-	.flags		= TCP_CONG_NEEDS_ECN,
-	.name		= "bpf_dctcp",
-};
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test.c b/tools/testing/selftests/bpf/progs/kfunc_call_test.c
deleted file mode 100644
index 470f8723e463..000000000000
--- a/tools/testing/selftests/bpf/progs/kfunc_call_test.c
+++ /dev/null
@@ -1,47 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-#include <linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include "bpf_tcp_helpers.h"
-
-extern int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym;
-extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
-				  __u32 c, __u64 d) __ksym;
-
-SEC("classifier")
-int kfunc_call_test2(struct __sk_buff *skb)
-{
-	struct bpf_sock *sk = skb->sk;
-
-	if (!sk)
-		return -1;
-
-	sk = bpf_sk_fullsock(sk);
-	if (!sk)
-		return -1;
-
-	return bpf_kfunc_call_test2((struct sock *)sk, 1, 2);
-}
-
-SEC("classifier")
-int kfunc_call_test1(struct __sk_buff *skb)
-{
-	struct bpf_sock *sk = skb->sk;
-	__u64 a = 1ULL << 32;
-	__u32 ret;
-
-	if (!sk)
-		return -1;
-
-	sk = bpf_sk_fullsock(sk);
-	if (!sk)
-		return -1;
-
-	a = bpf_kfunc_call_test1((struct sock *)sk, 1, a | 2, 3, a | 4);
-	ret = a >> 32;   /* ret should be 2 */
-	ret += (__u32)a; /* ret should be 12 */
-
-	return ret;
-}
-
-char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c b/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c
deleted file mode 100644
index b2dcb7d9cb03..000000000000
--- a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-#include <linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include "bpf_tcp_helpers.h"
-
-extern const int bpf_prog_active __ksym;
-extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
-				  __u32 c, __u64 d) __ksym;
-extern struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym;
-int active_res = -1;
-int sk_state = -1;
-
-int __noinline f1(struct __sk_buff *skb)
-{
-	struct bpf_sock *sk = skb->sk;
-	int *active;
-
-	if (!sk)
-		return -1;
-
-	sk = bpf_sk_fullsock(sk);
-	if (!sk)
-		return -1;
-
-	active = (int *)bpf_per_cpu_ptr(&bpf_prog_active,
-					bpf_get_smp_processor_id());
-	if (active)
-		active_res = *active;
-
-	sk_state = bpf_kfunc_call_test3((struct sock *)sk)->__sk_common.skc_state;
-
-	return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4);
-}
-
-SEC("classifier")
-int kfunc_call_test1(struct __sk_buff *skb)
-{
-	return f1(skb);
-}
-
-char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_funcs1.c b/tools/testing/selftests/bpf/progs/linked_funcs1.c
deleted file mode 100644
index b964ec1390c2..000000000000
--- a/tools/testing/selftests/bpf/progs/linked_funcs1.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-/* weak and shared between two files */
-const volatile int my_tid __weak;
-long syscall_id __weak;
-
-int output_val1;
-int output_ctx1;
-int output_weak1;
-
-/* same "subprog" name in all files, but it's ok because they all are static */
-static __noinline int subprog(int x)
-{
-	/* but different formula */
-	return x * 1;
-}
-
-/* Global functions can't be void */
-int set_output_val1(int x)
-{
-	output_val1 = x + subprog(x);
-	return x;
-}
-
-/* This function can't be verified as global, as it assumes raw_tp/sys_enter
- * context and accesses syscall id (second argument). So we mark it as
- * __hidden, so that libbpf will mark it as static in the final object file,
- * right before verifying it in the kernel.
- *
- * But we don't mark it as __hidden here, rather at extern site. __hidden is
- * "contaminating" visibility, so it will get propagated from either extern or
- * actual definition (including from the losing __weak definition).
- */
-void set_output_ctx1(__u64 *ctx)
-{
-	output_ctx1 = ctx[1]; /* long id, same as in BPF_PROG below */
-}
-
-/* this weak instance should win because it's the first one */
-__weak int set_output_weak(int x)
-{
-	output_weak1 = x;
-	return x;
-}
-
-extern int set_output_val2(int x);
-
-/* here we'll force set_output_ctx2() to be __hidden in the final obj file */
-__hidden extern void set_output_ctx2(__u64 *ctx);
-
-SEC("raw_tp/sys_enter")
-int BPF_PROG(handler1, struct pt_regs *regs, long id)
-{
-	if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id)
-		return 0;
-
-	set_output_val2(1000);
-	set_output_ctx2(ctx); /* ctx definition is hidden in BPF_PROG macro */
-
-	/* keep input value the same across both files to avoid dependency on
-	 * handler call order; differentiate by output_weak1 vs output_weak2.
-	 */
-	set_output_weak(42);
-
-	return 0;
-}
-
-char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_funcs2.c b/tools/testing/selftests/bpf/progs/linked_funcs2.c
deleted file mode 100644
index 575e958e60b7..000000000000
--- a/tools/testing/selftests/bpf/progs/linked_funcs2.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-/* weak and shared between both files */
-const volatile int my_tid __weak;
-long syscall_id __weak;
-
-int output_val2;
-int output_ctx2;
-int output_weak2; /* should stay zero */
-
-/* same "subprog" name in all files, but it's ok because they all are static */
-static __noinline int subprog(int x)
-{
-	/* but different formula */
-	return x * 2;
-}
-
-/* Global functions can't be void */
-int set_output_val2(int x)
-{
-	output_val2 = 2 * x + 2 * subprog(x);
-	return 2 * x;
-}
-
-/* This function can't be verified as global, as it assumes raw_tp/sys_enter
- * context and accesses syscall id (second argument). So we mark it as
- * __hidden, so that libbpf will mark it as static in the final object file,
- * right before verifying it in the kernel.
- *
- * But we don't mark it as __hidden here, rather at extern site. __hidden is
- * "contaminating" visibility, so it will get propagated from either extern or
- * actual definition (including from the losing __weak definition).
- */
-void set_output_ctx2(__u64 *ctx)
-{
-	output_ctx2 = ctx[1]; /* long id, same as in BPF_PROG below */
-}
-
-/* this weak instance should lose, because it will be processed second */
-__weak int set_output_weak(int x)
-{
-	output_weak2 = x;
-	return 2 * x;
-}
-
-extern int set_output_val1(int x);
-
-/* here we'll force set_output_ctx1() to be __hidden in the final obj file */
-__hidden extern void set_output_ctx1(__u64 *ctx);
-
-SEC("raw_tp/sys_enter")
-int BPF_PROG(handler2, struct pt_regs *regs, long id)
-{
-	if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id)
-		return 0;
-
-	set_output_val1(2000);
-	set_output_ctx1(ctx); /* ctx definition is hidden in BPF_PROG macro */
-
-	/* keep input value the same across both files to avoid dependency on
-	 * handler call order; differentiate by output_weak1 vs output_weak2.
-	 */
-	set_output_weak(42);
-
-	return 0;
-}
-
-char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_maps2.c b/tools/testing/selftests/bpf/progs/linked_maps2.c
deleted file mode 100644
index 0693687474ed..000000000000
--- a/tools/testing/selftests/bpf/progs/linked_maps2.c
+++ /dev/null
@@ -1,76 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-/* modifiers and typedefs are ignored when comparing key/value types */
-typedef struct my_key { long x; } key_type;
-typedef struct my_value { long x; } value_type;
-
-extern struct {
-	__uint(max_entries, 16);
-	__type(key, key_type);
-	__type(value, value_type);
-	__uint(type, BPF_MAP_TYPE_HASH);
-} map1 SEC(".maps");
-
-struct {
-	__uint(type, BPF_MAP_TYPE_ARRAY);
-	__type(key, int);
-	__type(value, int);
-	__uint(max_entries, 8);
-} map2 SEC(".maps");
-
-/* this definition will lose, but it has to exactly match the winner */
-struct {
-	__uint(type, BPF_MAP_TYPE_ARRAY);
-	__type(key, int);
-	__type(value, int);
-	__uint(max_entries, 16);
-} map_weak __weak SEC(".maps");
-
-int output_first2;
-int output_second2;
-int output_weak2;
-
-SEC("raw_tp/sys_enter")
-int BPF_PROG(handler_enter2)
-{
-	/* update values with key = 2 */
-	int key = 2, val = 2;
-	key_type key_struct = { .x = 2 };
-	value_type val_struct = { .x = 2000 };
-
-	bpf_map_update_elem(&map1, &key_struct, &val_struct, 0);
-	bpf_map_update_elem(&map2, &key, &val, 0);
-	bpf_map_update_elem(&map_weak, &key, &val, 0);
-
-	return 0;
-}
-
-SEC("raw_tp/sys_exit")
-int BPF_PROG(handler_exit2)
-{
-	/* lookup values with key = 1, set in another file */
-	int key = 1, *val;
-	key_type key_struct = { .x = 1 };
-	value_type *value_struct;
-
-	value_struct = bpf_map_lookup_elem(&map1, &key_struct);
-	if (value_struct)
-		output_first2 = value_struct->x;
-
-	val = bpf_map_lookup_elem(&map2, &key);
-	if (val)
-		output_second2 = *val;
-
-	val = bpf_map_lookup_elem(&map_weak, &key);
-	if (val)
-		output_weak2 = *val;
-
-	return 0;
-}
-
-char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_vars1.c b/tools/testing/selftests/bpf/progs/linked_vars1.c
deleted file mode 100644
index ef9e9d0bb0ca..000000000000
--- a/tools/testing/selftests/bpf/progs/linked_vars1.c
+++ /dev/null
@@ -1,54 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-extern int LINUX_KERNEL_VERSION __kconfig;
-/* this weak extern will be strict due to the other file's strong extern */
-extern bool CONFIG_BPF_SYSCALL __kconfig __weak;
-extern const void bpf_link_fops __ksym __weak;
-
-int input_bss1;
-int input_data1 = 1;
-const volatile int input_rodata1 = 11;
-
-int input_bss_weak __weak;
-/* these two definitions should win */
-int input_data_weak __weak = 10;
-const volatile int input_rodata_weak __weak = 100;
-
-extern int input_bss2;
-extern int input_data2;
-extern const int input_rodata2;
-
-int output_bss1;
-int output_data1;
-int output_rodata1;
-
-long output_sink1;
-
-static __noinline int get_bss_res(void)
-{
-	/* just make sure all the relocations work against .text as well */
-	return input_bss1 + input_bss2 + input_bss_weak;
-}
-
-SEC("raw_tp/sys_enter")
-int BPF_PROG(handler1)
-{
-	output_bss1 = get_bss_res();
-	output_data1 = input_data1 + input_data2 + input_data_weak;
-	output_rodata1 = input_rodata1 + input_rodata2 + input_rodata_weak;
-
-	/* make sure we actually use above special externs, otherwise compiler
-	 * will optimize them out
-	 */
-	output_sink1 = LINUX_KERNEL_VERSION
-		       + CONFIG_BPF_SYSCALL
-		       + (long)&bpf_link_fops;
-	return 0;
-}
-
-char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_vars2.c b/tools/testing/selftests/bpf/progs/linked_vars2.c
deleted file mode 100644
index e4f5bd388a3c..000000000000
--- a/tools/testing/selftests/bpf/progs/linked_vars2.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2021 Facebook */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-extern int LINUX_KERNEL_VERSION __kconfig;
-/* when an extern is defined as both strong and weak, resulting symbol will be strong */
-extern bool CONFIG_BPF_SYSCALL __kconfig;
-extern const void __start_BTF __ksym;
-
-int input_bss2;
-int input_data2 = 2;
-const volatile int input_rodata2 = 22;
-
-int input_bss_weak __weak;
-/* these two weak variables should lose */
-int input_data_weak __weak = 20;
-const volatile int input_rodata_weak __weak = 200;
-
-extern int input_bss1;
-extern int input_data1;
-extern const int input_rodata1;
-
-int output_bss2;
-int output_data2;
-int output_rodata2;
-
-int output_sink2;
-
-static __noinline int get_data_res(void)
-{
-	/* just make sure all the relocations work against .text as well */
-	return input_data1 + input_data2 + input_data_weak;
-}
-
-SEC("raw_tp/sys_enter")
-int BPF_PROG(handler2)
-{
-	output_bss2 = input_bss1 + input_bss2 + input_bss_weak;
-	output_data2 = get_data_res();
-	output_rodata2 = input_rodata1 + input_rodata2 + input_rodata_weak;
-
-	/* make sure we actually use above special externs, otherwise compiler
-	 * will optimize them out
-	 */
-	output_sink2 = LINUX_KERNEL_VERSION
-		       + CONFIG_BPF_SYSCALL
-		       + (long)&__start_BTF;
-
-	return 0;
-}
-
-char LICENSE[] SEC("license") = "GPL";