Merge branch 'generic-ipi' into generic-ipi-for-linus

[safe/jmp/linux-2.6] / arch / x86 / kernel / vsyscall_64.c

diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 4063dfa..0b8b669 100644 (file)
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -250,7 +250,7 @@ static ctl_table kernel_root_table2[] = {
    doesn't violate that. We'll find out if it does. */
 static void __cpuinit vsyscall_set_cpu(int cpu)
 {
-       unsigned long *d;
+       unsigned long d;
        unsigned long node = 0;
 #ifdef CONFIG_NUMA
        node = cpu_to_node(cpu);
@@ -261,11 +261,11 @@ 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 *)(get_cpu_gdt_table(cpu) + GDT_ENTRY_PER_CPU);
-       *d = 0x0f40000000000ULL;
-       *d |= cpu;
-       *d |= (node & 0xf) << 12;
-       *d |= (node >> 4) << 48;
+       d = 0x0f40000000000ULL;
+       d |= cpu;
+       d |= (node & 0xf) << 12;
+       d |= (node >> 4) << 48;
+       write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S);
 }
 
 static void __cpuinit cpu_vsyscall_init(void *arg)
@@ -279,7 +279,7 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
 {
        long cpu = (long)arg;
        if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN)
-               smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1);
+               smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 1);
        return NOTIFY_DONE;
 }
 
@@ -302,7 +302,7 @@ static int __init vsyscall_init(void)
 #ifdef CONFIG_SYSCTL
        register_sysctl_table(kernel_root_table2);
 #endif
-       on_each_cpu(cpu_vsyscall_init, NULL, 0, 1);
+       on_each_cpu(cpu_vsyscall_init, NULL, 1);
        hotcpu_notifier(cpu_vsyscall_notifier, 0);
        return 0;
 }