aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/system.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 07:53:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 07:53:49 -0700
commitb581af5110ab62db3a33f86ea7531d5f898a520c (patch)
treeeef312788928ad26ab5687438903bf19f6aaa207 /arch/x86/include/asm/system.h
parentffaf854b011bde97d63955a71232a20fe4382a38 (diff)
parent53f824520b6d84ca5b4a8fd71addc91dbf64357e (diff)
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86/i386: Put aligned stack-canary in percpu shared_aligned section x86/i386: Make sure stack-protector segment base is cache aligned x86: Detect stack protector for i386 builds on x86_64 x86: allow "=rm" in native_save_fl() x86: properly annotate alternatives.c x86: Introduce GDT_ENTRY_INIT(), initialize bad_bios_desc statically x86, 32-bit: Use generic sys_pipe() x86: Introduce GDT_ENTRY_INIT(), fix APM x86: Introduce GDT_ENTRY_INIT() x86: Introduce set_desc_base() and set_desc_limit() x86: Remove unused patch_espfix_desc() x86: Use get_desc_base()
Diffstat (limited to 'arch/x86/include/asm/system.h')
-rw-r--r--arch/x86/include/asm/system.h29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index 643c59b4bc6..f08f9737489 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -31,7 +31,7 @@ void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
"movl %P[task_canary](%[next]), %%ebx\n\t" \
"movl %%ebx, "__percpu_arg([stack_canary])"\n\t"
#define __switch_canary_oparam \
- , [stack_canary] "=m" (per_cpu_var(stack_canary))
+ , [stack_canary] "=m" (per_cpu_var(stack_canary.canary))
#define __switch_canary_iparam \
, [task_canary] "i" (offsetof(struct task_struct, stack_canary))
#else /* CC_STACKPROTECTOR */
@@ -150,33 +150,6 @@ do { \
#endif
#ifdef __KERNEL__
-#define _set_base(addr, base) do { unsigned long __pr; \
-__asm__ __volatile__ ("movw %%dx,%1\n\t" \
- "rorl $16,%%edx\n\t" \
- "movb %%dl,%2\n\t" \
- "movb %%dh,%3" \
- :"=&d" (__pr) \
- :"m" (*((addr)+2)), \
- "m" (*((addr)+4)), \
- "m" (*((addr)+7)), \
- "0" (base) \
- ); } while (0)
-
-#define _set_limit(addr, limit) do { unsigned long __lr; \
-__asm__ __volatile__ ("movw %%dx,%1\n\t" \
- "rorl $16,%%edx\n\t" \
- "movb %2,%%dh\n\t" \
- "andb $0xf0,%%dh\n\t" \
- "orb %%dh,%%dl\n\t" \
- "movb %%dl,%2" \
- :"=&d" (__lr) \
- :"m" (*(addr)), \
- "m" (*((addr)+6)), \
- "0" (limit) \
- ); } while (0)
-
-#define set_base(ldt, base) _set_base(((char *)&(ldt)) , (base))
-#define set_limit(ldt, limit) _set_limit(((char *)&(ldt)) , ((limit)-1))
extern void native_load_gs_index(unsigned);