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Re: [patch] remove unnecessary code in hyperv.c

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  Re: [patch] remove unnecessary code in hyperv.c Radim Krčmář <rkrcmar@redhat.com> - 2016-04-06 14:40 +0200

#1372493 — Re: [patch] remove unnecessary code in hyperv.c

2016-04-06 10:21+0800, rhett rhett:
> 8499907b52c9cebf3c1a4aaa63b84bd9c3c1ff3d
>  arch/x86/kvm/hyperv.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
> index 01bd7b7..e831032 100644
> --- a/arch/x86/kvm/hyperv.c
> +++ b/arch/x86/kvm/hyperv.c
> @@ -807,7 +807,6 @@ static int kvm_hv_set_msr_pw(struct kvm_vcpu *vcpu, u32
> msr, u64 data,
>   gfn << HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT,
>   &tsc_ref, sizeof(tsc_ref)))
>   return 1;
> - mark_page_dirty(kvm, gfn);
>   break;
>   }
>   case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
> 
> 
> i think the mark_page_dirty is unnecessary, because the page had been mark
> as dirty inside the
> kvm_write_guest routinue.

Yes, good catch.

>                           so ,  can this patch be accepted ?

An acceptable patch needs to follow Documentation/SubmittingPatches,
would you like to make the submission?

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