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[23.128.96.18]) by mx.google.com with ESMTP id a16si18386edn.579.2020.04.16.01.33.40; Thu, 16 Apr 2020 01:34:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=bEDaLlNr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2441103AbgDPIcf (ORCPT + 99 others); Thu, 16 Apr 2020 04:32:35 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:35962 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2441122AbgDPILL (ORCPT ); Thu, 16 Apr 2020 04:11:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587024669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wFZ203bZj9/d1HrtvH0p9KqRawPq4JxwlKVrmFjPcis=; b=bEDaLlNrtGwOSc7TADrkOK/PBCVfIv/cMTuZUFZjlQ/OMrsLOJKdah+F8fSxhRpMXhfrqw CO0Xu3tbS9mGA3/y8nvZ+V8fPby+vaEn3OBuZ+p5n98fn/5gNF+nV5v8n+Z8Jc6RwYhtle ETQ3gQ21dStAvFjc1rvQ4kRrPFsDX2Q= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-6-tZrY3pJgMBy2TZZWxU1zqg-1; Thu, 16 Apr 2020 04:11:08 -0400 X-MC-Unique: tZrY3pJgMBy2TZZWxU1zqg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 93AD81005509; Thu, 16 Apr 2020 08:11:03 +0000 (UTC) Received: from gondolin (ovpn-112-234.ams2.redhat.com [10.36.112.234]) by smtp.corp.redhat.com (Postfix) with ESMTP id 734275DA7B; Thu, 16 Apr 2020 08:10:49 +0000 (UTC) Date: Thu, 16 Apr 2020 10:10:47 +0200 From: Cornelia Huck To: Tianjia Zhang Cc: pbonzini@redhat.com, tsbogend@alpha.franken.de, paulus@ozlabs.org, mpe@ellerman.id.au, benh@kernel.crashing.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, david@redhat.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, maz@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, christoffer.dall@arm.com, peterx@redhat.com, thuth@redhat.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] KVM: Optimize kvm_arch_vcpu_ioctl_run function Message-ID: <20200416101047.1cb9693c.cohuck@redhat.com> In-Reply-To: <20200416051057.26526-1-tianjia.zhang@linux.alibaba.com> References: <20200416051057.26526-1-tianjia.zhang@linux.alibaba.com> Organization: Red Hat GmbH MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 16 Apr 2020 13:10:57 +0800 Tianjia Zhang wrote: > In earlier versions of kvm, 'kvm_run' is an independent structure > and is not included in the vcpu structure. At present, 'kvm_run' > is already included in the vcpu structure, so the parameter > 'kvm_run' is redundant. > > This patch simplify the function definition, removes the extra s/simplify/simplifies/ > 'kvm_run' parameter, and extract it from the 'kvm_vcpu' structure s/extract/extracts/ > if necessary. > > Signed-off-by: Tianjia Zhang > --- > > v2 change: > remove 'kvm_run' parameter and extract it from 'kvm_vcpu' > > arch/mips/kvm/mips.c | 3 ++- > arch/powerpc/kvm/powerpc.c | 3 ++- > arch/s390/kvm/kvm-s390.c | 3 ++- > arch/x86/kvm/x86.c | 11 ++++++----- > include/linux/kvm_host.h | 2 +- > virt/kvm/arm/arm.c | 6 +++--- > virt/kvm/kvm_main.c | 2 +- > 7 files changed, 17 insertions(+), 13 deletions(-) > Reviewed-by: Cornelia Huck