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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-03-16 20:41:56 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-04-14 23:04:19 +1000 |
| commit | 4228b2c3d20e9f80b847f809c38e6cf82864fa50 (patch) | |
| tree | 4b06592f4ccefe77dfb9b4889a7f4987b62a2351 /arch/powerpc/kernel/entry_64.S | |
| parent | 5a5a893c4ad897b8a36f846602895515b7407a71 (diff) | |
| download | linux-4228b2c3d20e9f80b847f809c38e6cf82864fa50.tar.gz | |
powerpc/64e/interrupt: always save nvgprs on interrupt
In order to use the C interrupt return, nvgprs must always be saved.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210316104206.407354-3-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 6c4d9e276c4d5b..853534b2ae2ebb 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -417,19 +417,6 @@ _GLOBAL(ret_from_kernel_thread) li r3,0 b .Lsyscall_exit -#ifdef CONFIG_PPC_BOOK3E -/* Save non-volatile GPRs, if not already saved. */ -_GLOBAL(save_nvgprs) - ld r11,_TRAP(r1) - andi. r0,r11,1 - beqlr- - SAVE_NVGPRS(r1) - clrrdi r0,r11,1 - std r0,_TRAP(r1) - blr -_ASM_NOKPROBE_SYMBOL(save_nvgprs); -#endif - #ifdef CONFIG_PPC_BOOK3S_64 #define FLUSH_COUNT_CACHE \ |