x86_64: ia32_signal.c: use macro instead of immediate
Make and use macro FIX_EFLAGS, instead of immediate value 0x40DD5 in ia32_restore_sigcontext(). Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -36,6 +36,11 @@
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#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
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#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | \
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X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
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X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
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X86_EFLAGS_CF)
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asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
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void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
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@ -248,7 +253,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs,
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regs->ss |= 3;
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err |= __get_user(tmpflags, &sc->flags);
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regs->flags = (regs->flags & ~0x40DD5) | (tmpflags & 0x40DD5);
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regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
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/* disable syscall checks */
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regs->orig_ax = -1;
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