Messages in this thread Patch in this message | | | From | Chen Zhongjin <> | Subject | [PATCH v5 28/33] arm64: sleep: Properly set frame pointer before call | Date | Wed, 22 Jun 2022 23:49:15 +0800 |
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In __cpu_suspend_enter, the FP and LR are properly saved on the stack to form a stack frame, but the frame pointer is not set afterwards.
Have the frame pointer point to the new frame.
Signed-off-by: Julien Thierry <jthierry@redhat.com> Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com> --- arch/arm64/kernel/sleep.S | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S index 799ec01b0649..7fd276f3c532 100644 --- a/arch/arm64/kernel/sleep.S +++ b/arch/arm64/kernel/sleep.S @@ -92,6 +92,7 @@ SYM_FUNC_START(__cpu_suspend_enter) str x0, [x1] add x0, x0, #SLEEP_STACK_DATA_SYSTEM_REGS stp x29, lr, [sp, #-16]! + mov x29, sp bl cpu_do_suspend ldp x29, lr, [sp], #16 mov x0, #1 -- 2.17.1
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