RE: [PATCH v2 3/5] KVM: VMX: Bring the common code to header file
From: Moger, Babu
Date: Wed Mar 28 2018 - 17:12:46 EST
> -----Original Message-----
> From: Radim Krčmář <rkrcmar@xxxxxxxxxx>
> Sent: Wednesday, March 28, 2018 3:27 PM
> To: Moger, Babu <Babu.Moger@xxxxxxx>
> Cc: joro@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; mingo@xxxxxxxxxx;
> hpa@xxxxxxxxx; x86@xxxxxxxxxx; pbonzini@xxxxxxxxxx;
> kvm@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v2 3/5] KVM: VMX: Bring the common code to header
> file
>
> 2018-03-16 16:37-0400, Babu Moger:
> > This patch brings some of the code from vmx to x86.h header file. Now, we
> > can share this code between vmx and svm. Modified couple functions to
> make
> > it common.
> >
> > Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> > ---
> > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> > @@ -6683,8 +6652,9 @@ static void shrink_ple_window(struct kvm_vcpu
> *vcpu)
> > struct vcpu_vmx *vmx = to_vmx(vcpu);
> > int old = vmx->ple_window;
> >
> > - vmx->ple_window = __shrink_ple_window(old,
> > - ple_window_shrink, ple_window);
> > + vmx->ple_window = __shrink_ple_window(old, ple_window,
> > + ple_window_shrink,
> > + 0);
>
> I have preserved the old minumum (ple_window, so we could't get
> uselessly small values).
Ok. Looks good. Thanks