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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

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Pull KVM fix from Paolo Bonzini:
 "A simple fix.  I'm sending it before the merge window, because it
  refines a patch found in your master branch but not yet in the
  kvm/next branch that is destined for 4.5"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86: only channel 0 of the i8254 is linked to the HPET
This commit is contained in:
Linus Torvalds
2016-01-08 15:58:14 -08:00
parent 496b0b57c0 e5e57e7a03
commit 516c50cde6
2 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/x86/kvm/i8254.c
+1
View File
@@ -420,6 +420,7 @@ void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_s
u8 saved_mode;
if (hpet_legacy_start) {
/* save existing mode for later reenablement */
WARN_ON(channel != 0);
saved_mode = kvm->arch.vpit->pit_state.channels[0].mode;
kvm->arch.vpit->pit_state.channels[0].mode = 0xff; /* disable timer */
pit_load_count(kvm, channel, val);
arch/x86/kvm/x86.c
+2 -1
View File
@@ -3606,7 +3606,8 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
sizeof(kvm->arch.vpit->pit_state.channels));
kvm->arch.vpit->pit_state.flags = ps->flags;
for (i = 0; i < 3; i++)
kvm_pit_load_count(kvm, i, kvm->arch.vpit->pit_state.channels[i].count, start);
kvm_pit_load_count(kvm, i, kvm->arch.vpit->pit_state.channels[i].count,
start && i == 0);
mutex_unlock(&kvm->arch.vpit->pit_state.lock);
return 0;
}