On 08/09/2009 03:41 PM, Gleb Natapov wrote:
Signed-off-by: Gleb Natapov<[email protected]> --- include/linux/kvm_host.h | 1 + virt/kvm/irq_comm.c | 4 ++-- virt/kvm/kvm_main.c | 1 + 3 files changed, 4 insertions(+), 2 deletions(-)diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index d573652..ce28cb7 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -175,6 +175,7 @@ struct kvm { struct mutex irq_lock; #ifdef CONFIG_HAVE_KVM_IRQCHIP struct kvm_irq_routing_table *irq_routing; + spinlock_t irq_routing_lock;
Why is this needed? The irq routing table adds very little contention since it is rcu locked.
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