kernel-5.17-0
* Mon Mar 28 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.17-0] - Revert "swiotlb: rework "fix info leak with DMA_FROM_DEVICE"" (Linus Torvalds) - drm/i915: Temporarily disable selective fetch for PSR2 on ADL-P (Lyude Paul) [2065794] - Fix RHDISTGIT for Fedora (Justin M. Forbes) - mm/sparsemem: Fix 'mem_section' will never be NULL gcc 12 warning (Waiman Long) - Turn on RANDOM_TRUST_BOOTLOADER (Justin M. Forbes) - Revert "PCI/MSI: Mask MSI-X vectors only on success" (Justin M. Forbes) - Define SNAPSHOT correctly for VERSION_ON_UPSTREAM=0 (Justin M. Forbes) - Config fixups after some RHEL specific patches were reverted (Justin M. Forbes) - Basic Fedora Branch setup (Justin M. Forbes) - Reset Makefile.rhelver for the 5.18 cycle (Justin M. Forbes) Resolves: rhbz#2065794 Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
This commit is contained in:
Justin M. Forbes
parent
6eb15e4d5d
commit
af2c2c7bf8
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@ -1,3 +1,9 @@
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"https://gitlab.com/cki-project/kernel-ark/-/commit"/442a5cb0498230a157a4f482de2d53796a400435
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442a5cb0498230a157a4f482de2d53796a400435 Revert "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
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"https://gitlab.com/cki-project/kernel-ark/-/commit"/2151233ebcc5c33b39ed3ba2b5a848f7205d5159
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2151233ebcc5c33b39ed3ba2b5a848f7205d5159 drm/i915: Temporarily disable selective fetch for PSR2 on ADL-P
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"https://gitlab.com/cki-project/kernel-ark/-/commit"/9db0837f0d0b5ddd9b81e1feb1bcbff21ae93106
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9db0837f0d0b5ddd9b81e1feb1bcbff21ae93106 mm/sparsemem: Fix 'mem_section' will never be NULL gcc 12 warning
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13
kernel.spec
13
kernel.spec
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@ -130,7 +130,7 @@ Summary: The Linux kernel
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# The kernel tarball/base version
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%define kversion 5.17
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%define rpmversion 5.17.0
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%define rpmversion 5.17.1
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%define patchversion 5.17
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%define pkgrelease 300
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@ -695,7 +695,7 @@ BuildRequires: lld
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# exact git commit you can run
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#
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# xzcat -qq ${TARBALL} | git get-tar-commit-id
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Source0: linux-5.17.tar.xz
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Source0: linux-5.17.1.tar.xz
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Source1: Makefile.rhelver
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@ -1391,8 +1391,8 @@ ApplyOptionalPatch()
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fi
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}
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%setup -q -n kernel-5.17 -c
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mv linux-5.17 linux-%{KVERREL}
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%setup -q -n kernel-5.17.1 -c
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mv linux-5.17.1 linux-%{KVERREL}
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cd linux-%{KVERREL}
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cp -a %{SOURCE1} .
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@ -3019,7 +3019,10 @@ fi
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#
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#
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%changelog
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* Wed Mar 23 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.17-300]
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* Mon Mar 28 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.17-0]
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- Revert "swiotlb: rework "fix info leak with DMA_FROM_DEVICE"" (Linus Torvalds)
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- drm/i915: Temporarily disable selective fetch for PSR2 on ADL-P (Lyude Paul) [2065794]
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- Fix RHDISTGIT for Fedora (Justin M. Forbes)
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- mm/sparsemem: Fix 'mem_section' will never be NULL gcc 12 warning (Waiman Long)
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- Turn on RANDOM_TRUST_BOOTLOADER (Justin M. Forbes)
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- Revert "PCI/MSI: Mask MSI-X vectors only on success" (Justin M. Forbes)
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@ -1,3 +1,4 @@
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Documentation/core-api/dma-attributes.rst | 8 ++
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Kconfig | 2 +
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Kconfig.redhat | 17 +++
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Makefile | 12 +-
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@ -18,6 +19,7 @@
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drivers/firmware/efi/Makefile | 1 +
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drivers/firmware/efi/efi.c | 124 +++++++++++++++------
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drivers/firmware/efi/secureboot.c | 38 +++++++
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drivers/gpu/drm/i915/display/intel_psr.c | 9 ++
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drivers/hid/hid-rmi.c | 64 -----------
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drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 ++++
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drivers/input/rmi4/rmi_driver.c | 124 ++++++++++++---------
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@ -28,6 +30,7 @@
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drivers/pci/msi/msi.c | 12 +-
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drivers/pci/quirks.c | 24 ++++
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drivers/usb/core/hub.c | 7 ++
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include/linux/dma-mapping.h | 8 ++
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include/linux/efi.h | 22 ++--
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include/linux/lsm_hook_defs.h | 2 +
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include/linux/lsm_hooks.h | 6 +
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@ -37,6 +40,7 @@
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include/linux/rmi.h | 1 +
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include/linux/security.h | 5 +
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init/Kconfig | 2 +-
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kernel/dma/swiotlb.c | 23 ++--
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kernel/module.c | 2 +
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kernel/module_signing.c | 9 +-
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scripts/mod/modpost.c | 8 ++
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@ -45,8 +49,24 @@
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security/lockdown/Kconfig | 13 +++
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security/lockdown/lockdown.c | 1 +
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security/security.c | 6 +
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47 files changed, 719 insertions(+), 199 deletions(-)
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51 files changed, 752 insertions(+), 214 deletions(-)
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diff --git a/Documentation/core-api/dma-attributes.rst b/Documentation/core-api/dma-attributes.rst
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index 1887d92e8e92..17706dc91ec9 100644
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--- a/Documentation/core-api/dma-attributes.rst
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+++ b/Documentation/core-api/dma-attributes.rst
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@@ -130,3 +130,11 @@ accesses to DMA buffers in both privileged "supervisor" and unprivileged
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subsystem that the buffer is fully accessible at the elevated privilege
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level (and ideally inaccessible or at least read-only at the
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lesser-privileged levels).
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+
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+DMA_ATTR_OVERWRITE
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+------------------
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+
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+This is a hint to the DMA-mapping subsystem that the device is expected to
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+overwrite the entire mapped size, thus the caller does not require any of the
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+previous buffer contents to be preserved. This allows bounce-buffering
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+implementations to optimise DMA_FROM_DEVICE transfers.
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diff --git a/Kconfig b/Kconfig
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index 745bc773f567..f57ff40109d7 100644
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--- a/Kconfig
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@ -81,7 +101,7 @@ index 000000000000..733a26bd887a
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+
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+endmenu
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diff --git a/Makefile b/Makefile
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index 7214f075e1f0..6ecb3acb605c 100644
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index 34f9f5a9457a..799d71b74ea9 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
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@ -894,6 +914,26 @@ index 000000000000..de0a3714a5d4
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+ }
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+ }
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+}
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diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
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index 00279e8c2775..545424e4a066 100644
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--- a/drivers/gpu/drm/i915/display/intel_psr.c
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+++ b/drivers/gpu/drm/i915/display/intel_psr.c
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@@ -744,6 +744,15 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp,
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return false;
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}
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+ /* Temporary workaround for Lenovo's issues with the X1 Carbon 10th Gen
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+ * See: https://bugzilla.redhat.com/show_bug.cgi?id=2065794
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+ */
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+ if (IS_ALDERLAKE_P(dev_priv)) {
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+ drm_dbg_kms(&dev_priv->drm,
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+ "PSR2 sel fetch disabled on ADL-P, see rhbz2065794\n");
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+ return false;
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+ }
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+
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return crtc_state->enable_psr2_sel_fetch = true;
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}
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diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
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index 311eee599ce9..2460c6bd46f8 100644
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--- a/drivers/hid/hid-rmi.c
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@ -1496,6 +1536,25 @@ index 47a1c8bddf86..e309d992e2ad 100644
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/* Lock the device, then check to see if we were
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* disconnected while waiting for the lock to succeed. */
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usb_lock_device(hdev);
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diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
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index dca2b1355bb1..6150d11a607e 100644
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--- a/include/linux/dma-mapping.h
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+++ b/include/linux/dma-mapping.h
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@@ -61,6 +61,14 @@
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*/
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#define DMA_ATTR_PRIVILEGED (1UL << 9)
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+/*
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+ * This is a hint to the DMA-mapping subsystem that the device is expected
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+ * to overwrite the entire mapped size, thus the caller does not require any
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+ * of the previous buffer contents to be preserved. This allows
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+ * bounce-buffering implementations to optimise DMA_FROM_DEVICE transfers.
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+ */
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+#define DMA_ATTR_OVERWRITE (1UL << 10)
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+
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/*
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* A dma_addr_t can hold any valid DMA or bus address for the platform. It can
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* be given to a device to use as a DMA source or target. It is specific to a
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diff --git a/include/linux/efi.h b/include/linux/efi.h
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index ccd4d3f91c98..e64643e3e364 100644
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--- a/include/linux/efi.h
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@ -1696,6 +1755,47 @@ index e9119bf54b1f..e3b57b4898fe 100644
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select IO_WQ
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default y
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help
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diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
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index 6db1c475ec82..bfc56cb21705 100644
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--- a/kernel/dma/swiotlb.c
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+++ b/kernel/dma/swiotlb.c
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@@ -627,14 +627,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
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for (i = 0; i < nr_slots(alloc_size + offset); i++)
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mem->slots[index + i].orig_addr = slot_addr(orig_addr, i);
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tlb_addr = slot_addr(mem->start, index) + offset;
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- /*
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- * When dir == DMA_FROM_DEVICE we could omit the copy from the orig
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- * to the tlb buffer, if we knew for sure the device will
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- * overwirte the entire current content. But we don't. Thus
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- * unconditional bounce may prevent leaking swiotlb content (i.e.
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- * kernel memory) to user-space.
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- */
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- swiotlb_bounce(dev, tlb_addr, mapping_size, DMA_TO_DEVICE);
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+ if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
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+ (!(attrs & DMA_ATTR_OVERWRITE) || dir == DMA_TO_DEVICE ||
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+ dir == DMA_BIDIRECTIONAL))
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+ swiotlb_bounce(dev, tlb_addr, mapping_size, DMA_TO_DEVICE);
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return tlb_addr;
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}
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@@ -701,13 +697,10 @@ void swiotlb_tbl_unmap_single(struct device *dev, phys_addr_t tlb_addr,
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void swiotlb_sync_single_for_device(struct device *dev, phys_addr_t tlb_addr,
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size_t size, enum dma_data_direction dir)
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{
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- /*
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- * Unconditional bounce is necessary to avoid corruption on
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- * sync_*_for_cpu or dma_ummap_* when the device didn't overwrite
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- * the whole lengt of the bounce buffer.
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- */
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- swiotlb_bounce(dev, tlb_addr, size, DMA_TO_DEVICE);
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- BUG_ON(!valid_dma_direction(dir));
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+ if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL)
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+ swiotlb_bounce(dev, tlb_addr, size, DMA_TO_DEVICE);
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+ else
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+ BUG_ON(dir != DMA_FROM_DEVICE);
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}
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void swiotlb_sync_single_for_cpu(struct device *dev, phys_addr_t tlb_addr,
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diff --git a/kernel/module.c b/kernel/module.c
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index 46a5c2ed1928..92c2306651ce 100644
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--- a/kernel/module.c
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6
sources
6
sources
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@ -1,3 +1,3 @@
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SHA512 (linux-5.17.tar.xz) = f1f61baf70e17bff176ea1d60113a54c475baa1fe28087269c256c3de48498a1d89648139d4174abbc98c39ad823acdf6dc78e5d80f00152b730c4f1966e9189
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SHA512 (kernel-abi-stablelists-5.17.0-300.tar.bz2) = fd3e6fd441bfde1fddee5dd19a2f0aeb89ea8ff8bf7494b8925bd7b9fe4cd52496cfa4a6a8af8a5474b64d7251d08397c4a999541b87fa4568b1b666cd7fe403
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SHA512 (kernel-kabi-dw-5.17.0-300.tar.bz2) = eac3ce7bbfea8fe9d7fbac3edc9bc301fdd9af9958a3e54b4d5652f71f066511e7099b7026258b7fc929a383ceeb329dc8d5bb358aa8997fd1d9ae8117b5c5c8
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SHA512 (linux-5.17.1.tar.xz) = 9b20ab347f3aac5d6330a1fa2058d56e77c0d6f163c9add173569c87135bc7e006e26e40d987da568e5744581d83e4f000446b2a0a4f63844c718941565f6aab
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SHA512 (kernel-abi-stablelists-5.17.1-300.tar.bz2) = 63955c208cc5b348f36b3905f228d146c41cf7cc6cec1876c470636d94b7e76063d9b1e3f67b1fa3319678208f026d5611983caa82660edf56ca2c2b82169f24
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SHA512 (kernel-kabi-dw-5.17.1-300.tar.bz2) = fdb8e55efa441e294994fdffc2cfb53ffb5ef93c6014e2498de3e19e5e862f446dd36c3186ee1dcee2abeca4b4f7652ff4aa5975d4283c117e585cf8ed3ab136
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