1 files changed, 5 insertions, 6 deletions

diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index ad4005c6d4a1..3f8242774580 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -43,7 +43,7 @@
 #include <asm/vgtod.h>
 
 #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr)))
-#define __syscall_clobber "r11","rcx","memory"
+#define __syscall_clobber "r11","cx","memory"
 #define __pa_vsymbol(x)                 \
         ({unsigned long v;              \
         extern char __vsyscall_0;       \
@@ -190,7 +190,7 @@ time_t __vsyscall(1) vtime(time_t *t)
 long __vsyscall(2)
 vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache)
 {
-        unsigned int dummy, p;
+        unsigned int p;
         unsigned long j = 0;
 
         /* Fast cache - only recompute value once per jiffies and avoid
@@ -205,7 +205,7 @@ vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache)
                 p = tcache->blob[1];
         } else if (__vgetcpu_mode == VGETCPU_RDTSCP) {
                 /* Load per CPU data from RDTSCP */
-                rdtscp(dummy, dummy, p);
+                native_read_tscp(&p);
         } else {
                 /* Load per CPU data from GDT */
                 asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
@@ -297,7 +297,7 @@ static void __cpuinit vsyscall_set_cpu(int cpu)
         /* Store cpu number in limit so that it can be loaded quickly
            in user space in vgetcpu.
            12 bits for the CPU and 8 bits for the node. */
-        d = (unsigned long *)(cpu_gdt(cpu) + GDT_ENTRY_PER_CPU);
+        d = (unsigned long *)(get_cpu_gdt_table(cpu) + GDT_ENTRY_PER_CPU);
         *d = 0x0f40000000000ULL;
         *d |= cpu;
         *d |= (node & 0xf) << 12;
@@ -319,7 +319,7 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
         return NOTIFY_DONE;
 }
 
-static void __init map_vsyscall(void)
+void __init map_vsyscall(void)
 {
         extern char __vsyscall_0;
         unsigned long physaddr_page0 = __pa_symbol(&__vsyscall_0);
@@ -335,7 +335,6 @@ static int __init vsyscall_init(void)
         BUG_ON((unsigned long) &vtime != VSYSCALL_ADDR(__NR_vtime));
         BUG_ON((VSYSCALL_ADDR(0) != __fix_to_virt(VSYSCALL_FIRST_PAGE)));
         BUG_ON((unsigned long) &vgetcpu != VSYSCALL_ADDR(__NR_vgetcpu));
-        map_vsyscall();
 #ifdef CONFIG_SYSCTL
         register_sysctl_table(kernel_root_table2);
 #endif