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authorDave Airlie <airlied@redhat.com>2018-07-30 03:39:22 +0300
committerDave Airlie <airlied@redhat.com>2018-07-30 03:39:22 +0300
commit3fce4618279373efc59a91adb16c11da46cd69e5 (patch)
tree086fad6c9f260a0bcc9b6a3532c6cddc387dd907 /arch/x86/kernel/kvmclock.c
parentecd7963f7cf967009882fd56eaee1e87a229bea2 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
downloadlinux-3fce4618279373efc59a91adb16c11da46cd69e5.tar.xz
BackMerge v4.18-rc7 into drm-next
rmk requested this for armada and I think we've had a few conflicts build up. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/x86/kernel/kvmclock.c')
-rw-r--r--arch/x86/kernel/kvmclock.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index bf8d1eb7fca3..3b8e7c13c614 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -138,6 +138,7 @@ static unsigned long kvm_get_tsc_khz(void)
src = &hv_clock[cpu].pvti;
tsc_khz = pvclock_tsc_khz(src);
put_cpu();
+ setup_force_cpu_cap(X86_FEATURE_TSC_KNOWN_FREQ);
return tsc_khz;
}
@@ -319,6 +320,8 @@ void __init kvmclock_init(void)
printk(KERN_INFO "kvm-clock: Using msrs %x and %x",
msr_kvm_system_time, msr_kvm_wall_clock);
+ pvclock_set_pvti_cpu0_va(hv_clock);
+
if (kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE_STABLE_BIT))
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
@@ -366,14 +369,11 @@ int __init kvm_setup_vsyscall_timeinfo(void)
vcpu_time = &hv_clock[cpu].pvti;
flags = pvclock_read_flags(vcpu_time);
- if (!(flags & PVCLOCK_TSC_STABLE_BIT)) {
- put_cpu();
- return 1;
- }
-
- pvclock_set_pvti_cpu0_va(hv_clock);
put_cpu();
+ if (!(flags & PVCLOCK_TSC_STABLE_BIT))
+ return 1;
+
kvm_clock.archdata.vclock_mode = VCLOCK_PVCLOCK;
#endif
return 0;