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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2008-11-06 03:33:35 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-06 08:02:00 +0100
commitee7d523c124a186ce3a886868de9cd1d8bc991f3 (patch)
tree1a28fbfe2b7e3bba1b1c276ce6ca4ed91d68b8d2
parentx86: ia32_signal: do save_i387_xstate_ia32 at get_sigframe() (diff)
downloadlinux-ee7d523c124a186ce3a886868de9cd1d8bc991f3.tar.xz
linux-ee7d523c124a186ce3a886868de9cd1d8bc991f3.zip
x86: signal_64: setup fpstate in setup_sigcontext()
Impact: cleanup set fpstate field of signal context at setup_sigcontext(). Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/signal_64.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index cfbb60a5f9d2..97d26fa62ac1 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -159,8 +159,9 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
*/
static inline int
-setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
- unsigned long mask, struct task_struct *me)
+setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+ struct pt_regs *regs,
+ unsigned long mask, struct task_struct *me)
{
int err = 0;
@@ -188,6 +189,7 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
err |= __put_user(me->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);
@@ -249,8 +251,8 @@ 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, regs, set->sig[0], me);
- err |= __put_user(fp, &frame->uc.uc_mcontext.fpstate);
+ err |= setup_sigcontext(&frame->uc.uc_mcontext, fp,
+ regs, set->sig[0], me);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
/* Set up to return from userspace. If provided, use a stub