lkml.org 
[lkml]   [2022]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v6 28/33] arm64: sleep: Properly set frame pointer before call
    Date
    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
    \
     
     \ /
      Last update: 2022-06-23 03:55    [W:5.686 / U:0.520 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site