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Diffstat (limited to 'arch/x86/kernel/kvmclock.c')
-rw-r--r--arch/x86/kernel/kvmclock.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 220a360010f..0732f0089a3 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -162,8 +162,8 @@ int kvm_register_clock(char *txt)
int low, high, ret;
struct pvclock_vcpu_time_info *src = &hv_clock[cpu].pvti;
- low = (int)__pa(src) | 1;
- high = ((u64)__pa(src) >> 32);
+ low = (int)slow_virt_to_phys(src) | 1;
+ high = ((u64)slow_virt_to_phys(src) >> 32);
ret = native_write_msr_safe(msr_kvm_system_time, low, high);
printk(KERN_INFO "kvm-clock: cpu %d, msr %x:%x, %s\n",
cpu, high, low, txt);
@@ -218,6 +218,9 @@ static void kvm_shutdown(void)
void __init kvmclock_init(void)
{
unsigned long mem;
+ int size;
+
+ size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS);
if (!kvm_para_available())
return;
@@ -231,16 +234,14 @@ void __init kvmclock_init(void)
printk(KERN_INFO "kvm-clock: Using msrs %x and %x",
msr_kvm_system_time, msr_kvm_wall_clock);
- mem = memblock_alloc(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS,
- PAGE_SIZE);
+ mem = memblock_alloc(size, PAGE_SIZE);
if (!mem)
return;
hv_clock = __va(mem);
if (kvm_register_clock("boot clock")) {
hv_clock = NULL;
- memblock_free(mem,
- sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS);
+ memblock_free(mem, size);
return;
}
pv_time_ops.sched_clock = kvm_clock_read;
@@ -275,7 +276,7 @@ int __init kvm_setup_vsyscall_timeinfo(void)
struct pvclock_vcpu_time_info *vcpu_time;
unsigned int size;
- size = sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS;
+ size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS);
preempt_disable();
cpu = smp_processor_id();