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From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 4/4] x86: signal_64: make setup_sigcontext() similar
Date: Wed, 05 Nov 2008 18:34:35 -0800	[thread overview]
Message-ID: <491257BB.7040309@ct.jp.nec.com> (raw)
In-Reply-To: <491256C1.2060709@ct.jp.nec.com>

From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

remove passing task struct.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
 arch/x86/kernel/signal_64.c |   12 +++++-------
 1 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 97d26fa..3868c2a 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -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
-- 
1.5.6


  parent reply	other threads:[~2008-11-06  2:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-06  2:30 [PATCH 1/4] x86: signal_32: do save_i387_xstate() at get_sigframe() Hiroshi Shimamoto
2008-11-06  2:32 ` [PATCH 2/4] x86: ia32_signal: do save_i387_xstate_ia32 " Hiroshi Shimamoto
2008-11-06  2:33 ` [PATCH 3/4] x86: signal_64: setup fpstate in setup_sigcontext() Hiroshi Shimamoto
2008-11-06  2:34 ` Hiroshi Shimamoto [this message]
2008-11-06  7:02 ` [PATCH 1/4] x86: signal_32: do save_i387_xstate() at get_sigframe() Ingo Molnar

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