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From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Liang Chen <liangchen.linux@gmail.com>
Cc: pbonzini@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] KVM: x86: directly use kvm_make_request again
Date: Thu, 18 Sep 2014 20:12:51 +0200	[thread overview]
Message-ID: <20140918181250.GA16481@potion.brq.redhat.com> (raw)
In-Reply-To: <1411058317-23646-3-git-send-email-liangchen.linux@gmail.com>

2014-09-18 12:38-0400, Liang Chen:
> A one-line wrapper around kvm_make_request does not seem
> particularly useful. Replace kvm_mmu_flush_tlb() with
> kvm_make_request() again to free the namespace a bit.
> 
> Signed-off-by: Liang Chen <liangchen.linux@gmail.com>
> ---

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>

>  arch/x86/include/asm/kvm_host.h |  1 -
>  arch/x86/kvm/mmu.c              | 16 +++++-----------
>  arch/x86/kvm/vmx.c              |  2 +-
>  arch/x86/kvm/x86.c              | 11 ++++++++---
>  4 files changed, 14 insertions(+), 16 deletions(-)
> [...]
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 9eb5458..fc3df50 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> [...]
> @@ -6018,8 +6024,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
>  		if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu))
>  			kvm_mmu_sync_roots(vcpu);
>  		if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) {
> -			++vcpu->stat.tlb_flush;
> -			kvm_x86_ops->tlb_flush(vcpu);
> +			kvm_vcpu_flush_tlb(vcpu);
>  		}

(Braces are not necessary.)

  reply	other threads:[~2014-09-18 18:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-18 16:38 [PATCH v3 0/2] KVM: count actual tlb flushes Liang Chen
2014-09-18 16:38 ` [PATCH v3 1/2] KVM: x86: " Liang Chen
2014-09-18 16:38 ` [PATCH v3 2/2] KVM: x86: directly use kvm_make_request again Liang Chen
2014-09-18 18:12   ` Radim Krčmář [this message]
2014-09-19  6:12   ` Xiao Guangrong
2014-09-19 12:25     ` Radim Krčmář
2014-09-19 13:35       ` Xiao Guangrong
2014-09-19 14:00         ` Paolo Bonzini
2014-09-19 14:26           ` Liang Chen
2014-09-19 21:10         ` Radim Krčmář
2014-09-19 14:08     ` Liang Chen

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