diff options
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 8a37dad38bc0..6c7d1fda4995 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" \ |