diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2009-02-20 19:00:13 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:54:47 +0100 |
| commit | 8801ead40caa8ba9c7d47a06ff1247c166cbfd5a (patch) | |
| tree | b26597ea01f5402a6a410ce73dbe06ea73d95f6a | |
| parent | a47e3ec197f515e25c77805f02d26f9e86456f65 (diff) | |
x86: ia32_signal: introduce GET_SEG() macro
Impact: cleanup
introduce GET_SEG() macro like arch/x86/kernel/signal.c.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/ia32/ia32_signal.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index adc63f81cb8e..8dd0903da08b 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -192,11 +192,15 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr, get_user_ex(regs->x, &sc->x); \ } -#define COPY_SEG_CPL3(seg) { \ - unsigned short tmp; \ - get_user_ex(tmp, &sc->seg); \ - regs->seg = tmp | 3; \ -} +#define GET_SEG(seg) ({ \ + unsigned short tmp; \ + get_user_ex(tmp, &sc->seg); \ + tmp; \ +}) + +#define COPY_SEG_CPL3(seg) do { \ + regs->seg = GET_SEG(seg) | 3; \ +} while (0) #define RELOAD_SEG(seg) { \ unsigned int cur, pre; \ |