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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id k11-20020ac8474b000000b0042e78c642a2si6726020qtp.522.2024.02.27.07.29.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 07:29:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-83503-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=Lt+G1Tff; arc=pass (i=1 dkim=pass dkdomain=infradead.org); spf=pass (google.com: domain of linux-kernel+bounces-83503-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-83503-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 278191C23485 for ; Tue, 27 Feb 2024 15:29:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 64677145B05; Tue, 27 Feb 2024 15:29:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Lt+G1Tff" 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id D43C8145321; Tue, 27 Feb 2024 15:29:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709047746; cv=none; b=elQiqqfWRVp1oTaBosQKXJy8DIy5BMTeP/vBfmPVlxsdD4FDwGMZrI4uLUD3+OpMQocqkNmq1Onzm/WGsBx0dgHrRYSE0GA68lWpCstVpNlc7dpAhqZL/iCtBrTu1fYLKk/fB7NGMdS4bUWaKSHy0ckuppyYJJXlC4ywfZ6pitk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709047746; c=relaxed/simple; bh=DH9qtvg5WfaxD59IE3Xlc/6PI70KjeJ1UtHDkSZXgbU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fBEf2OhycJnmzkwiA3IntUPGpbN4gOXfSuOJg0Notvw2PkzyaMd9JgKKmxbgknxU3PEij4EEzldRja9gX6ve0pBfs39aRGExtPHYn5XmR+DnQVN87W+msRjvG3ltCWq4SvYqb2OIkMur0dnuObprCXH3pknw+p9vp4b8LyJB/no= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Lt+G1Tff; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=7Fvhr2XhN7ulIRI1917z5nzuJS9iqQElRa4UgtdMSvk=; b=Lt+G1Tffix+R2oF/xiTokOujqQ /z1GMFcTeSV2u8AGVEXM519jHILiqabPSBRLIBtiwb60NXbH9P3ZF/vURWDtPY/YtInJxttyzNInx MQR6LliVhaM44VeC4Cwqd1D2ynagyuLrRe3HsLYibAz8h7Irk2FLWdI2w/ArpywtaYr+FsMHxRbvs xowlxVbgRgtMBpdc2UFpyWqefsKtgpSSzzdDm+wzk96Uig3lfgVr6UJDZGcOwP3gQx/aB94Y1AkKs fdg/NNVAIAB4pURVWQfz5duyDy7mwRUPH+7na2rJ/RrsZ7uQh8GzD6Xdz9/mR3GkB0prTdInx2uRZ x8cO05WQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rezOA-00000005mat-1DeK; Tue, 27 Feb 2024 15:29:02 +0000 Date: Tue, 27 Feb 2024 07:29:02 -0800 From: Christoph Hellwig To: Yisheng Xie Cc: alex.williamson@redhat.com, akpm@linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] vfio/type1: unpin PageReserved page Message-ID: References: <20240226160106.24222-1-ethan.xys@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240226160106.24222-1-ethan.xys@linux.alibaba.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Why does it pin a reserved page? It should stay the hell away from it.