diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
commit | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch) | |
tree | 53ccb1c2c14751fe69cf93102e76e97021f6df07 /arch/x86/xen/time.c | |
parent | 4f962d4d65923d7b722192e729840cfb79af0a5a (diff) | |
parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/kernel/Makefile
include/asm-x86/pda.h
Diffstat (limited to 'arch/x86/xen/time.c')
-rw-r--r-- | arch/x86/xen/time.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 41e217503c9..004ba86326a 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -30,8 +30,6 @@ #define TIMER_SLOP 100000 #define NS_PER_TICK (1000000000LL / HZ) -static cycle_t xen_clocksource_read(void); - /* runstate info updated by Xen */ static DEFINE_PER_CPU(struct vcpu_runstate_info, runstate); @@ -197,8 +195,8 @@ unsigned long long xen_sched_clock(void) } -/* Get the CPU speed from Xen */ -unsigned long xen_cpu_khz(void) +/* Get the TSC speed from Xen */ +unsigned long xen_tsc_khz(void) { u64 xen_khz = 1000000ULL << 32; const struct pvclock_vcpu_time_info *info = @@ -213,7 +211,7 @@ unsigned long xen_cpu_khz(void) return xen_khz; } -static cycle_t xen_clocksource_read(void) +cycle_t xen_clocksource_read(void) { struct pvclock_vcpu_time_info *src; cycle_t ret; @@ -452,6 +450,14 @@ void xen_setup_timer(int cpu) setup_runstate_info(cpu); } +void xen_teardown_timer(int cpu) +{ + struct clock_event_device *evt; + BUG_ON(cpu == 0); + evt = &per_cpu(xen_clock_events, cpu); + unbind_from_irqhandler(evt->irq, NULL); +} + void xen_setup_cpu_clockevents(void) { BUG_ON(preemptible()); @@ -459,6 +465,19 @@ void xen_setup_cpu_clockevents(void) clockevents_register_device(&__get_cpu_var(xen_clock_events)); } +void xen_timer_resume(void) +{ + int cpu; + + if (xen_clockevent != &xen_vcpuop_clockevent) + return; + + for_each_online_cpu(cpu) { + if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL)) + BUG(); + } +} + __init void xen_time_init(void) { int cpu = smp_processor_id(); |