From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C45FC04EB8 for ; Wed, 12 Dec 2018 05:04:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D27F20811 for ; Wed, 12 Dec 2018 05:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nhJzX7VJ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ozlabs.org header.i=@ozlabs.org header.b="T/On6EAJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D27F20811 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ozlabs.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=a6VA6Js5+uLfSsmN7z6ql/MhJ1xHsBpfL9qEwuyFXTw=; b=nhJzX7VJyf5C5f WXbIEdku3TnEqgkXT9yJLmSlv4OuDWU/9/UfSNNe6LJtgjKrKaPwmg5DKLpjnqD1TXh4no41Z+84w rLuMmU3raRcHTofoFNWQe5G3pxKLciAxh0GoT9MpP9LrhbaotI4w6Clt5Lf4mnwr2skzbFU6EIKk5 p22IUMglgdIlqWoTjegFRkH7gZ1+jopkTjzw3FwFmmvyZBG58NsRCxTHVudcbM2Tyf5QtWxsWYK5S DplxYOFHPfcIJ/Oc38E36qnWkRsuQik6I6bz14TnP/Z/xgIpELmiNqsasNGCxE1zGd1drMIkfuw6K mJ4LVjs4Gpq3zYhwYx9w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gWwgv-0002m4-Go; Wed, 12 Dec 2018 05:04:13 +0000 Received: from ozlabs.org ([203.11.71.1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gWwgt-0002kv-1r for linux-arm-kernel@lists.infradead.org; Wed, 12 Dec 2018 05:04:12 +0000 Received: by ozlabs.org (Postfix, from userid 1003) id 43F4Tm05yWz9s3Z; Wed, 12 Dec 2018 16:03:55 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1544591036; bh=rhEosjEfZQzhO2bufzhDYXx13Ie6MQ63HUdwjJ0mvBY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T/On6EAJ8s/c3MCJUpyi0kf9eTf6ldoCznRPofkXLaxKgJyPQxhH9fJdLuTG7YgFS 8MO6GzMJ3B7M0nAT+1jT/U3psl3Eqq8zIp8uWaTK+FjVvNTLN5/PlawFEOMHsibAi0 ycC21g1yRthYEBTXQHmnGLzkR0mxghAfMYMRWNFU1XYZiuGvMwYrxtr7d5IIMRpg37 vhA8lSSTfddQAEMd82tUYsNiViWUKYGvo+AUDkfuLQ881gC2J9eNZ1bRfyed/XJ2H2 aOG4vMImeDe/8pM0mlwJD0MNgTps+a2EuB5w3+D5qRBrss3J1w9BaKZp5CRctDdfO7 M8+jaPBfh+LQg== Date: Wed, 12 Dec 2018 16:03:53 +1100 From: Paul Mackerras To: lantianyu1986@gmail.com Subject: Re: [Resend PATCH V5 7/10] KVM: Make kvm_set_spte_hva() return int Message-ID: <20181212050353.GF22265@blackberry> References: <20181206132113.2691-1-Tianyu.Lan@microsoft.com> <20181206132113.2691-8-Tianyu.Lan@microsoft.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181206132113.2691-8-Tianyu.Lan@microsoft.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181211_210411_286677_060B029B X-CRM114-Status: UNSURE ( 7.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, kvm@vger.kernel.org, rkrcmar@redhat.com, catalin.marinas@arm.com, will.deacon@arm.com, christoffer.dall@arm.com, hpa@zytor.com, kys@microsoft.com, kvmarm@lists.cs.columbia.edu, mpe@ellerman.id.au, x86@kernel.org, linux@armlinux.org.uk, michael.h.kelley@microsoft.com, mingo@redhat.com, benh@kernel.crashing.org, jhogan@kernel.org, Lan Tianyu , marc.zyngier@arm.com, kvm-ppc@vger.kernel.org, bp@alien8.de, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ralf@linux-mips.org, paul.burton@mips.com, pbonzini@redhat.com, vkuznets@redhat.com, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Dec 06, 2018 at 09:21:10PM +0800, lantianyu1986@gmail.com wrote: > From: Lan Tianyu > > The patch is to make kvm_set_spte_hva() return int and caller can > check return value to determine flush tlb or not. It would be helpful if the patch description told the reader which return value(s) mean that the caller should flush the tlb. I would guess that non-zero means to do the flush, but you should make that explicit. > Signed-off-by: Lan Tianyu For the powerpc bits: Acked-by: Paul Mackerras _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel