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KVM: Convert i8254/i8259 locks to raw_spinlocks

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The i8254/i8259 locks need to be real spinlocks on preempt-rt. Convert
them to raw_spinlock. No change for !RT kernels.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Thomas Gleixner
2010-02-17 14:00:41 +00:00
committed by Marcelo Tosatti
parent e424e19183
commit fa8273e954
5 changed files with 27 additions and 26 deletions
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arch/x86/kvm/irq.h
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@@ -62,7 +62,7 @@ struct kvm_kpic_state {
};
struct kvm_pic {
spinlock_t lock;
raw_spinlock_t lock;
unsigned pending_acks;
struct kvm *kvm;
struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */