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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>, kvm@vger.kernel.org
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
	"Roman Kagan" <rkagan@virtuozzo.com>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	"Haiyang Zhang" <haiyangz@microsoft.com>,
	"Stephen Hemminger" <sthemmin@microsoft.com>,
	"Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>,
	"Wanpeng Li" <wanpeng.li@hotmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 RESEND 2/5] KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb()
Date: Fri, 14 Sep 2018 19:32:36 +0200	[thread overview]
Message-ID: <e8e97259-cef7-48a5-cf0d-c75b2fd1c515@redhat.com> (raw)
In-Reply-To: <20180822101832.31763-3-vkuznets@redhat.com>

On 22/08/2018 12:18, Vitaly Kuznetsov wrote:
>  	cpumask_clear(&hv_current->tlb_lush);
>  
> +	if (all_cpus) {
> +		kvm_make_vcpus_request_mask(kvm,
> +				    KVM_REQ_TLB_FLUSH | KVM_REQUEST_NO_WAKEUP,
> +				    NULL, &hv_current->tlb_lush);
> +		goto ret_success;
> +	}
> +


The cpumask_clear can be pushed below the if.  Queued with that change.

Paolo

  reply	other threads:[~2018-09-14 17:32 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-22 10:18 [PATCH v4 RESEND 0/5] KVM: x86: hyperv: PV IPI support for Windows guests Vitaly Kuznetsov
2018-08-22 10:18 ` [PATCH v4 RESEND 1/5] KVM: x86: hyperv: enforce vp_index < KVM_MAX_VCPUS Vitaly Kuznetsov
2018-09-14 17:34   ` Paolo Bonzini
2018-08-22 10:18 ` [PATCH v4 RESEND 2/5] KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb() Vitaly Kuznetsov
2018-09-14 17:32   ` Paolo Bonzini [this message]
2018-08-22 10:18 ` [PATCH v4 RESEND 3/5] KVM: x86: hyperv: use get_vcpu_by_vpidx() " Vitaly Kuznetsov
2018-09-14 17:33   ` Paolo Bonzini
2018-09-17  8:32     ` Vitaly Kuznetsov
2018-09-24 16:24       ` Paolo Bonzini
2018-09-24 16:55         ` Paolo Bonzini
2018-09-25  8:57           ` Roman Kagan
2018-09-25  9:29             ` Paolo Bonzini
2018-09-25 10:10               ` Roman Kagan
2018-09-25 11:42                 ` Vitaly Kuznetsov
2018-08-22 10:18 ` [PATCH v4 RESEND 4/5] x86/hyper-v: rename ipi_arg_{ex,non_ex} structures Vitaly Kuznetsov
2018-09-14 17:34   ` Paolo Bonzini
2018-08-22 10:18 ` [PATCH v4 RESEND 5/5] KVM: x86: hyperv: implement PV IPI send hypercalls Vitaly Kuznetsov
2018-08-23 15:56   ` Roman Kagan
2018-08-23 16:16     ` Vitaly Kuznetsov

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