Re: [PATCH v3 15/15] KVM: MMU: replace kvm_zap_all withkvm_mmu_invalid_all_pages

From: Marcelo Tosatti
Date: Wed Apr 17 2013 - 22:39:14 EST


On Tue, Apr 16, 2013 at 02:32:53PM +0800, Xiao Guangrong wrote:
> Use kvm_mmu_invalid_all_pages in kvm_arch_flush_shadow_all and
> rename kvm_zap_all to kvm_free_all which is used to free all
> memmory used by kvm mmu when vm is being destroyed, at this time,
> no vcpu exists and mmu-notify has been unregistered, so we can
> free the shadow pages out of mmu-lock

Since there is no contention for mmu-lock its also not a problem to
grab the lock right?

Automated verification of locking/srcu might complain.


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