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[140.211.169.12]) by mx.google.com with ESMTPS id r25si10540144pfk.28.2019.01.29.10.29.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Jan 2019 10:30:00 -0800 (PST) Received-SPF: pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) client-ip=140.211.169.12; Authentication-Results: mx.google.com; spf=pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 8AA6A2DD5; Tue, 29 Jan 2019 18:29:59 +0000 (UTC) Date: Tue, 29 Jan 2019 10:29:58 -0800 From: Andrew Morton To: "Aneesh Kumar K.V" Cc: npiggin@gmail.com, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org Subject: Re: [PATCH V5 0/5] NestMMU pte upgrade workaround for mprotect Message-Id: <20190129102958.844e1168972384e26b77238f@linux-foundation.org> In-Reply-To: <20190116085035.29729-1-aneesh.kumar@linux.ibm.com> References: <20190116085035.29729-1-aneesh.kumar@linux.ibm.com> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 16 Jan 2019 14:20:30 +0530 "Aneesh Kumar K.V" wrote: > We can upgrade pte access (R -> RW transition) via mprotect. We need > to make sure we follow the recommended pte update sequence as outlined in > commit bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang") > for such updates. This patch series do that. This series is at v5 and has no recorded review activity. Perhaps you cold hunt down some people to help out here?