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    Subject[tip: x86/entry] x86/traps: Mark sync_regs() noinstr
    The following commit has been merged into the x86/entry branch of tip:

    Commit-ID: 2c14e64ca887fe55ba958376ef1e2d08e810b5e3
    Gitweb: https://git.kernel.org/tip/2c14e64ca887fe55ba958376ef1e2d08e810b5e3
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Wed, 25 Mar 2020 23:47:51 +01:00
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitterDate: Tue, 19 May 2020 16:03:53 +02:00

    x86/traps: Mark sync_regs() noinstr

    Replace the notrace and NOKPROBE annotations with noinstr.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
    Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
    Acked-by: Peter Zijlstra <peterz@infradead.org>
    Acked-by: Andy Lutomirski <luto@kernel.org>
    Link: https://lkml.kernel.org/r/20200505134903.439765290@linutronix.de


    ---
    arch/x86/kernel/traps.c | 3 +--
    1 file changed, 1 insertion(+), 2 deletions(-)

    diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
    index b2b3656..adcc623 100644
    --- a/arch/x86/kernel/traps.c
    +++ b/arch/x86/kernel/traps.c
    @@ -564,14 +564,13 @@ NOKPROBE_SYMBOL(do_int3);
    * to switch to the normal thread stack if the interrupted code was in
    * user mode. The actual stack switch is done in entry_64.S
    */
    -asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs)
    +asmlinkage __visible noinstr struct pt_regs *sync_regs(struct pt_regs *eregs)
    {
    struct pt_regs *regs = (struct pt_regs *)this_cpu_read(cpu_current_top_of_stack) - 1;
    if (regs != eregs)
    *regs = *eregs;
    return regs;
    }
    -NOKPROBE_SYMBOL(sync_regs);

    struct bad_iret_stack {
    void *error_entry_ret;
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