summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/vsyscall.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/vsyscall.h')
-rw-r--r--arch/x86/include/asm/vsyscall.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index d555973..eaea1d3 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -16,10 +16,6 @@ enum vsyscall_num {
#ifdef __KERNEL__
#include <linux/seqlock.h>
-/* Definitions for CONFIG_GENERIC_TIME definitions */
-#define __vsyscall_fn \
- __attribute__ ((unused, __section__(".vsyscall_fn"))) notrace
-
#define VGETCPU_RDTSCP 1
#define VGETCPU_LSL 2
@@ -31,6 +27,12 @@ extern struct timezone sys_tz;
extern void map_vsyscall(void);
+/*
+ * Called on instruction fetch fault in vsyscall page.
+ * Returns true if handled.
+ */
+extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+
#endif /* __KERNEL__ */
#endif /* _ASM_X86_VSYSCALL_H */
OpenPOWER on IntegriCloud