Test upstream (not merged) patches for riscv

This incl. the following patches/fixes related to IRQ:

https://patchwork.kernel.org/project/linux-riscv/patch/20230803012608.3540081-1-samuel.holland@sifive.com/
https://patchwork.kernel.org/project/linux-riscv/patch/20230725070549.89810-1-luxu.kernel@bytedance.com/
https://patchwork.kernel.org/project/linux-riscv/patch/20230716001506.3506041-3-guoren@kernel.org/
https://patchwork.kernel.org/project/linux-riscv/patch/20230716001506.3506041-2-guoren@kernel.org/

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

kernel.spec

@@ -180,7 +180,7 @@ Summary: The Linux kernel
 # This is needed to do merge window version magic
 %define patchlevel 5
 # This allows pkg_release to have configurable %%{?dist} tag
-%define specrelease 0.rc4.30%{?buildid}.2.riscv64%{?dist}
+%define specrelease 0.rc4.30%{?buildid}.3.riscv64%{?dist}
 # This defines the kabi tarball version
 %define kabiversion 6.5.0
 

linux-kernel-test.patch

@@ -0,0 +1,76 @@
+diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
+index a2fc952318e9..35b854cf078e 100644
+--- a/arch/riscv/kernel/cpu.c
++++ b/arch/riscv/kernel/cpu.c
+@@ -17,6 +17,11 @@
+ #include <asm/smp.h>
+ #include <asm/pgtable.h>
+ 
++bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
++{
++	return phys_id == cpuid_to_hartid_map(cpu);
++}
++
+ /*
+  * Returns the hart ID of the given device tree node, or -ENODEV if the node
+  * isn't an enabled and valid RISC-V hart node.
+diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
+index 85bbce0f758c..40420afbb1a0 100644
+--- a/arch/riscv/kernel/smp.c
++++ b/arch/riscv/kernel/smp.c
+@@ -61,11 +61,6 @@ int riscv_hartid_to_cpuid(unsigned long hartid)
+ 	return -ENOENT;
+ }
+ 
+-bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
+-{
+-	return phys_id == cpuid_to_hartid_map(cpu);
+-}
+-
+ static void ipi_stop(void)
+ {
+ 	set_cpu_online(smp_processor_id(), false);
+diff --git a/arch/riscv/include/asm/irqflags.h b/arch/riscv/include/asm/irqflags.h
+index 08d4d6a5b7e9..7c31fc3c3559 100644
+--- a/arch/riscv/include/asm/irqflags.h
++++ b/arch/riscv/include/asm/irqflags.h
+@@ -49,7 +49,10 @@ static inline int arch_irqs_disabled(void)
+ /* set interrupt enabled status */
+ static inline void arch_local_irq_restore(unsigned long flags)
+ {
+-	csr_set(CSR_STATUS, flags & SR_IE);
++	if (flags & SR_IE)
++		csr_set(CSR_STATUS, SR_IE);
++	else
++		csr_clear(CSR_STATUS, SR_IE);
+ }
+ 
+ #endif /* _ASM_RISCV_IRQFLAGS_H */
+diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
+index f910dfccbf5d..927347a19847 100644
+--- a/arch/riscv/kernel/traps.c
++++ b/arch/riscv/kernel/traps.c
+@@ -372,6 +372,9 @@ asmlinkage void noinstr do_irq(struct pt_regs *regs)
+ 		: [sp] "r" (sp), [regs] "r" (regs)
+ 		: "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
+ 		  "t0", "t1", "t2", "t3", "t4", "t5", "t6",
++#ifndef CONFIG_FRAME_POINTER
++		  "s0",
++#endif
+ 		  "memory");
+ 	} else
+ #endif
+diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
+index d0577cc6a081..a8efa053c4a5 100644
+--- a/arch/riscv/kernel/irq.c
++++ b/arch/riscv/kernel/irq.c
+@@ -84,6 +84,9 @@ void do_softirq_own_stack(void)
+ 		: [sp] "r" (sp)
+ 		: "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
+ 		  "t0", "t1", "t2", "t3", "t4", "t5", "t6",
++#ifndef CONFIG_FRAME_POINTER
++		  "s0",
++#endif
+ 		  "memory");
+ 	} else
+ #endif