Messages in this thread Patch in this message | | | Date | Thu, 26 Jul 2012 11:57:43 +0800 | From | Xiao Guangrong <> | Subject | [PATCH v2 1/3] KVM: MMU: use kvm_release_pfn_clean to release pfn |
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The current code depends on the fact that fault_page is the normal page, however, we will use the error code instead of these dummy pages in the later patch, so we use kvm_release_pfn_clean to release pfn which will release the error code properly
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> --- arch/x86/kvm/mmu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2419934..a9a2052 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3275,7 +3275,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, if (!async) return false; /* *pfn has correct page already */
- put_page(pfn_to_page(*pfn)); + kvm_release_pfn_clean(*pfn);
if (!prefault && can_do_async_pf(vcpu)) { trace_kvm_try_async_get_page(gva, gfn); -- 1.7.7.6
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