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x86: signal_64: make setup_sigcontext() similar

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Impact: cleanup

remove passing task struct.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hiroshi Shimamoto 2008-11-05 18:34:35 -08:00 committed by Ingo Molnar
parent ee7d523c12
commit 8735b7d0a2
1 changed files with 5 additions and 7 deletions
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12
arch/x86/kernel/signal_64.c
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@ -160,8 +160,7 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
static inline int
setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
struct pt_regs *regs,
unsigned long mask, struct task_struct *me)
struct pt_regs *regs, unsigned long mask)
{
int err = 0;
@ -185,13 +184,13 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
err |= __put_user(regs->r13, &sc->r13);
err |= __put_user(regs->r14, &sc->r14);
err |= __put_user(regs->r15, &sc->r15);
err |= __put_user(me->thread.trap_no, &sc->trapno);
err |= __put_user(me->thread.error_code, &sc->err);
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
err |= __put_user(regs->ip, &sc->ip);
err |= __put_user(regs->flags, &sc->flags);
err |= __put_user(fpstate, &sc->fpstate);
err |= __put_user(mask, &sc->oldmask);
err |= __put_user(me->thread.cr2, &sc->cr2);
err |= __put_user(current->thread.cr2, &sc->cr2);
return err;
}
@ -251,8 +250,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(sas_ss_flags(regs->sp),
&frame->uc.uc_stack.ss_flags);
err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size);
err |= setup_sigcontext(&frame->uc.uc_mcontext, fp,
regs, set->sig[0], me);
err |= setup_sigcontext(&frame->uc.uc_mcontext, fp, regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
/* Set up to return from userspace. If provided, use a stub