[PATCH] x86: signal_64: remove unused code in __setup_rt_frame() - Kernel

This is a discussion on [PATCH] x86: signal_64: remove unused code in __setup_rt_frame() - Kernel ; From: Hiroshi Shimamoto sizeof(*set) is always 8 on x86_64. Signed-off-by: Hiroshi Shimamoto --- arch/x86/kernel/signal_64.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 83990db..cfbb60a 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -251,11 +251,7 @@ static ...

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Thread: [PATCH] x86: signal_64: remove unused code in __setup_rt_frame()

  1. [PATCH] x86: signal_64: remove unused code in __setup_rt_frame()

    From: Hiroshi Shimamoto

    sizeof(*set) is always 8 on x86_64.

    Signed-off-by: Hiroshi Shimamoto
    ---
    arch/x86/kernel/signal_64.c | 6 +-----
    1 files changed, 1 insertions(+), 5 deletions(-)

    diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
    index 83990db..cfbb60a 100644
    --- a/arch/x86/kernel/signal_64.c
    +++ b/arch/x86/kernel/signal_64.c
    @@ -251,11 +251,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
    err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size);
    err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0], me);
    err |= __put_user(fp, &frame->uc.uc_mcontext.fpstate);
    - if (sizeof(*set) == 16) {
    - __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);
    - __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);
    - } else
    - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
    + err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));

    /* Set up to return from userspace. If provided, use a stub
    already in userspace. */
    --
    1.5.6

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  2. Re: [PATCH] x86: signal_64: remove unused code in __setup_rt_frame()


    * Hiroshi Shimamoto wrote:

    > From: Hiroshi Shimamoto
    >
    > sizeof(*set) is always 8 on x86_64.
    >
    > Signed-off-by: Hiroshi Shimamoto
    > ---
    > arch/x86/kernel/signal_64.c | 6 +-----
    > 1 files changed, 1 insertions(+), 5 deletions(-)


    applied to tip/x86/signal, thanks!

    Ingo
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