Signed-off-by: Jaswinder Singh <[email protected]>
In asm/system.h moved out __switch_to from CONFIG_X86_32 as it is common for both 32 and 64 bit.
In asm/pctl.h defined sys_arch_prctl
---
arch/x86/include/asm/prctl.h | 3 +++
arch/x86/include/asm/system.h | 4 ++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/prctl.h b/arch/x86/include/asm/prctl.h
index fe68114..a889464 100644
--- a/arch/x86/include/asm/prctl.h
+++ b/arch/x86/include/asm/prctl.h
@@ -6,5 +6,8 @@
#define ARCH_GET_FS 0x1003
#define ARCH_GET_GS 0x1004
+#ifdef CONFIG_X86_64
+extern long sys_arch_prctl(int, unsigned long);
+#endif /* CONFIG_X86_64 */
#endif /* _ASM_X86_PRCTL_H */
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index f2025b0..2f6340a 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -17,12 +17,12 @@
# define AT_VECTOR_SIZE_ARCH 1
#endif
-#ifdef CONFIG_X86_32
-
struct task_struct; /* one of the stranger aspects of C forward declarations */
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
+#ifdef CONFIG_X86_32
+
/*
* Saving eflags is important. It switches not only IOPL between tasks,
* it also protects other tasks from NT leaking through sysenter etc.
--
1.5.5.1