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-rw-r--r--arch/x86/kernel/vsyscall_emu_64.S36
1 files changed, 23 insertions, 13 deletions
diff --git a/arch/x86/kernel/vsyscall_emu_64.S b/arch/x86/kernel/vsyscall_emu_64.S
index ffa845eae5ca..c9596a9af159 100644
--- a/arch/x86/kernel/vsyscall_emu_64.S
+++ b/arch/x86/kernel/vsyscall_emu_64.S
@@ -7,21 +7,31 @@
*/
#include <linux/linkage.h>
+
#include <asm/irq_vectors.h>
+#include <asm/page_types.h>
+#include <asm/unistd_64.h>
+
+__PAGE_ALIGNED_DATA
+ .globl __vsyscall_page
+ .balign PAGE_SIZE, 0xcc
+ .type __vsyscall_page, @object
+__vsyscall_page:
+
+ mov $__NR_gettimeofday, %rax
+ syscall
+ ret
-/* The unused parts of the page are filled with 0xcc by the linker script. */
+ .balign 1024, 0xcc
+ mov $__NR_time, %rax
+ syscall
+ ret
-.section .vsyscall_0, "a"
-ENTRY(vsyscall_0)
- int $VSYSCALL_EMU_VECTOR
-END(vsyscall_0)
+ .balign 1024, 0xcc
+ mov $__NR_getcpu, %rax
+ syscall
+ ret
-.section .vsyscall_1, "a"
-ENTRY(vsyscall_1)
- int $VSYSCALL_EMU_VECTOR
-END(vsyscall_1)
+ .balign 4096, 0xcc
-.section .vsyscall_2, "a"
-ENTRY(vsyscall_2)
- int $VSYSCALL_EMU_VECTOR
-END(vsyscall_2)
+ .size __vsyscall_page, 4096