| Message ID | 20230715134552.3437933-3-guoren@kernel.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | riscv: stack: Fixup independent softirq/irq stack for CONFIG_FRAME_POINTER=n | expand |
| Context | Check | Description |
|---|---|---|
| conchuod/cover_letter | success | Series has a cover letter |
| conchuod/tree_selection | success | Guessed tree name to be fixes at HEAD ab2dbc7acced |
| conchuod/fixes_present | success | Fixes tag present in non-next series |
| conchuod/maintainers_pattern | success | MAINTAINERS pattern errors before the patch: 4 and now 4 |
| conchuod/verify_signedoff | success | Signed-off-by tag matches author and committer |
| conchuod/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| conchuod/build_rv64_clang_allmodconfig | success | Errors and warnings before: 9 this patch: 9 |
| conchuod/module_param | success | Was 0 now: 0 |
| conchuod/build_rv64_gcc_allmodconfig | fail | Failed to build the tree with this patch. |
| conchuod/build_rv32_defconfig | success | Build OK |
| conchuod/dtb_warn_rv64 | success | Errors and warnings before: 3 this patch: 3 |
| conchuod/header_inline | success | No static functions without inline keyword in header files |
| conchuod/checkpatch | warning | WARNING: Reported-by: should be immediately followed by Closes: with a URL to the report |
| conchuod/build_rv64_nommu_k210_defconfig | success | Build OK |
| conchuod/verify_fixes | success | Fixes tag looks correct |
| conchuod/build_rv64_nommu_virt_defconfig | fail | Build failed |
On Sat, Jul 15, 2023 at 09:45:52AM -0400, guoren@kernel.org wrote: > From: Guo Ren <guoren@linux.alibaba.com> > > The independent softirq stack uses s0 to save & restore sp, but s0 would > be corrupted when CONFIG_FRAME_POINTER=n. So add s0 in the clobber list > to fix the problem. > > Fixes: dd69d07a5a6c ("riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK") > Reported-by: Zhangjin Wu <falcon@tinylab.org> > Signed-off-by: Guo Ren <guoren@linux.alibaba.com> > Signed-off-by: Guo Ren <guoren@kernel.org> > --- > arch/riscv/kernel/irq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c > index d0577cc6a081..0b58720109db 100644 > --- a/arch/riscv/kernel/irq.c > +++ b/arch/riscv/kernel/irq.c > @@ -83,7 +83,7 @@ void do_softirq_own_stack(void) > : > : [sp] "r" (sp) > : "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", > - "t0", "t1", "t2", "t3", "t4", "t5", "t6", > + "t0", "t1", "t2", "t3", "t4", "t5", "t6", "s0", > "memory"); > } else > #endif > -- > 2.36.1 > <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c index d0577cc6a081..0b58720109db 100644 --- a/arch/riscv/kernel/irq.c +++ b/arch/riscv/kernel/irq.c @@ -83,7 +83,7 @@ void do_softirq_own_stack(void) : : [sp] "r" (sp) : "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", - "t0", "t1", "t2", "t3", "t4", "t5", "t6", + "t0", "t1", "t2", "t3", "t4", "t5", "t6", "s0", "memory"); } else #endif