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| author | Jan Beulich <jbeulich@novell.com> | 2008-01-30 13:31:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:24 +0100 |
| commit | ded9aa0db815b4e1271001561e177755cb8b9468 (patch) | |
| tree | 4dafa6529e6eee516d3975e87a460e414702e0a0 /include/asm-x86/system.h | |
| parent | e94271017f0933b29362a3c9dea5a6b9d04d98e1 (diff) | |
| download | kernel-crypto-ded9aa0db815b4e1271001561e177755cb8b9468.tar.gz kernel-crypto-ded9aa0db815b4e1271001561e177755cb8b9468.tar.xz kernel-crypto-ded9aa0db815b4e1271001561e177755cb8b9468.zip | |
x86: also define AT_VECTOR_SIZE_ARCH
The patch introducing this left out x86-64, despite it also having
extra entries.
[ mingo@elte.hu: re-merged this to after the unification patches. ]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/system.h')
| -rw-r--r-- | include/asm-x86/system.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index 8a37dad38bc..6c7d1fda499 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -9,8 +9,14 @@ #include <linux/kernel.h> #include <linux/irqflags.h> +/* entries in ARCH_DLINFO: */ +#ifdef CONFIG_IA32_EMULATION +# define AT_VECTOR_SIZE_ARCH 2 +#else +# define AT_VECTOR_SIZE_ARCH 1 +#endif + #ifdef CONFIG_X86_32 -#define AT_VECTOR_SIZE_ARCH 2 /* entries in ARCH_DLINFO */ struct task_struct; /* one of the stranger aspects of C forward declarations */ extern struct task_struct *FASTCALL(__switch_to(struct task_struct *prev, @@ -56,7 +62,7 @@ extern struct task_struct *FASTCALL(__switch_to(struct task_struct *prev, /* Save restore flags to clear handle leaking NT */ #define switch_to(prev, next, last) \ - asm volatile(SAVE_CONTEXT \ + asm volatile(SAVE_CONTEXT \ "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ "movq %P[threadrsp](%[next]),%%rsp\n\t" /* restore RSP */ \ "call __switch_to\n\t" \ |