Il 26/02/2014 02:44, Marcelo Tosatti ha scritto:
emulator_cmpxchg_emulated writes to guest memory, therefore it should updated the dirty bitmap accordingly. Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 39c28f09..29db96d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4394,6 +4394,7 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt, if (!exchanged) return X86EMUL_CMPXCHG_FAILED; + mark_page_dirty(vcpu->kvm, gpa >> PAGE_SHIFT); kvm_mmu_pte_write(vcpu, gpa, new, bytes); return X86EMUL_CONTINUE; -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Applied to kvm/queue, thanks. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html