Commit 2b4b5af8 authored Jul 26, 2012 by Xiao Guangrong Committed by Avi Kivity Jul 26, 2012

KVM: use kvm_release_page_clean to release the page



In kvm_async_pf_wakeup_all, it uses bad_page to generate broadcast wakeup,
and uses put_page to release bad_page, the work depends on the fact that
bad_page is the normal page. But we will use the error code instead of
bad_page, so use kvm_release_page_clean to release the page which will
release the error code properly

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 3b2bd2f8

virt/kvm/async_pf.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -112,7 +112,7 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu)
		typeof(*work), link);
		list_del(&work->link);
		if (work->page)
		put_page(work->page);
		kvm_release_page_clean(work->page);
		kmem_cache_free(async_pf_cache, work);
		}
		spin_unlock(&vcpu->async_pf.lock);
		@@ -139,7 +139,7 @@ void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu)
		list_del(&work->queue);
		vcpu->async_pf.queued--;
		if (work->page)
		put_page(work->page);
		kvm_release_page_clean(work->page);
		kmem_cache_free(async_pf_cache, work);
		}
		}

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