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KVM: PPC: Book3E HV: call RECONCILE_IRQ_STATE to sync the software state

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Rather than calling hard_irq_disable() when we're back in C code
we can just call RECONCILE_IRQ_STATE to soft disable IRQs while
we're already in hard disabled state.

This should be functionally equivalent to the code before, but
cleaner and faster.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
[agraf: fix comment, commit message]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tiejun Chen
2013-10-23 09:26:48 +08:00
committed by Alexander Graf
parent 08c9a188d0
commit 9bd880a2c8
2 changed files with 11 additions and 11 deletions
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11
arch/powerpc/kvm/booke.c
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@@ -879,17 +879,6 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
int s;
int idx;
#ifdef CONFIG_PPC64
WARN_ON(local_paca->irq_happened != 0);
#endif
/*
* We enter with interrupts disabled in hardware, but
* we need to call hard_irq_disable anyway to ensure that
* the software state is kept in sync.
*/
hard_irq_disable();
/* update before a new last_exit_type is rewritten */
kvmppc_update_timing_stats(vcpu);