On Sun, Jul 29, 2012 at 04:13:41PM +0800, Xiao Guangrong wrote:
> Then, get_hwpoison_pfn and is_hwpoison_pfn can be removed
>
> Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
> ---
> arch/x86/kvm/mmu.c | 2 +-
> include/linux/kvm_host.h | 4 ++--
> virt/kvm/kvm_main.c | 13 +------------
> 3 files changed, 4 insertions(+), 15 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 19bac91..320a781 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -2651,7 +2651,7 @@ static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *
> static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
> {
> kvm_release_pfn_clean(pfn);
> - if (is_hwpoison_pfn(pfn)) {
> + if (pfn == kvm_hwpoison_pfn) {
> kvm_send_hwpoison_signal(gfn_to_hva(vcpu->kvm, gfn), current);
> return 0;
> }
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 7cd6871..4de56cd 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -48,7 +48,8 @@
> #define KVM_MAX_MMIO_FRAGMENTS \
> (KVM_MMIO_SIZE / KVM_USER_MMIO_SIZE + KVM_EXTRA_MMIO_FRAGMENTS)
>
> -#define kvm_fault_pfn (-EFAULT)
> +#define kvm_fault_pfn (-EFAULT)
> +#define kvm_hwpoison_pfn (-EHWPOISON)
Same here as kvm_fault_pfn.
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