x86: Use FIX_EFLAGS define in X86_64

[ tglx@linutronix.de: simplified ]

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 182269b..9eb23fb 100644 (file)
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -30,6 +30,17 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+#define __FIX_EFLAGS   (X86_EFLAGS_AC | X86_EFLAGS_OF | \
+                        X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
+                        X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
+                        X86_EFLAGS_CF)
+
+#ifdef CONFIG_X86_32
+# define FIX_EFLAGS    (__FIX_EFLAGS | X86_EFLAGS_RF)
+#else
+# define FIX_EFLAGS    __FIX_EFLAGS
+#endif
+
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
  */
@@ -122,11 +133,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *peax
          err |= __get_user(tmp, &sc->seg);                             \
          loadsegment(seg,tmp); }
 
-#define        FIX_EFLAGS      (X86_EFLAGS_AC | X86_EFLAGS_RF |                 \
-                        X86_EFLAGS_OF | X86_EFLAGS_DF |                 \
-                        X86_EFLAGS_TF | X86_EFLAGS_SF | X86_EFLAGS_ZF | \
-                        X86_EFLAGS_AF | X86_EFLAGS_PF | X86_EFLAGS_CF)
-
        GET_SEG(gs);
        COPY_SEG(fs);
        COPY_SEG(es);

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 863cebe..b7d7a6d 100644 (file)
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -19,6 +19,7 @@
 #include <linux/stddef.h>
 #include <linux/personality.h>
 #include <linux/compiler.h>
+#include <asm/processor.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/i387.h>
@@ -30,6 +31,17 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+#define __FIX_EFLAGS   (X86_EFLAGS_AC | X86_EFLAGS_OF | \
+                        X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
+                        X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
+                        X86_EFLAGS_CF)
+
+#ifdef CONFIG_X86_32
+# define FIX_EFLAGS    (__FIX_EFLAGS | X86_EFLAGS_RF)
+#else
+# define FIX_EFLAGS    __FIX_EFLAGS
+#endif
+
 int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                sigset_t *set, struct pt_regs * regs); 
 int ia32_setup_frame(int sig, struct k_sigaction *ka,
@@ -87,7 +99,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, unsigned
        {
                unsigned int tmpflags;
                err |= __get_user(tmpflags, &sc->flags);
-               regs->flags = (regs->flags & ~0x40DD5) | (tmpflags & 0x40DD5);
+               regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
                regs->orig_ax = -1;             /* disable syscall checks */
        }