Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ded9aa0db815b4e1271001561e177755cb8b9468
Commit: ded9aa0db815b4e1271001561e177755cb8b9468
Parent: e94271017f0933b29362a3c9dea5a6b9d04d98e1
Author: Jan Beulich <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:31:24 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:31:24 2008 +0100
x86: also define AT_VECTOR_SIZE_ARCH
The patch introducing this left out x86-64, despite it also having
extra entries.
[ [EMAIL PROTECTED]: re-merged this to after the unification patches. ]
Signed-off-by: Jan Beulich <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
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 8a37dad..6c7d1fd 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" \
-
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