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[66.90.148.213]) by smtp.gmail.com with ESMTPSA id d7sm2973690ooa.36.2021.10.04.11.13.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 11:13:39 -0700 (PDT) Received: (nullmailer pid 1588507 invoked by uid 1000); Mon, 04 Oct 2021 18:13:38 -0000 Date: Mon, 4 Oct 2021 13:13:38 -0500 From: Rob Herring To: Gavin Shan Cc: devicetree@vger.kernel.org, catalin.marinas@arm.com, shan.gavin@gmail.com, will@kernel.org, rdunlap@infradead.org, maz@kernel.org, linux-efi@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] Documentation, dt, numa: Add note to empty NUMA node Message-ID: References: <20210927064119.127285-1-gshan@redhat.com> <20210927064119.127285-2-gshan@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210927064119.127285-2-gshan@redhat.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211004_111340_819310_9A3DBF07 X-CRM114-Status: GOOD ( 13.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 27 Sep 2021 14:41:18 +0800, Gavin Shan wrote: > The empty memory nodes, where no memory resides in, are allowed. > The NUMA node IDs are still valid and parsed, but memory may be > added to them through hotplug afterwards. Currently, QEMU fails > to boot when multiple empty memory nodes are specified. It's > caused by device-tree population failure and duplicated memory > node names. > > The device-tree specification doesn't provide how empty NUMA > nodes are handled. Besides, I finds difficulty to get where > this case is documented. So lets add a section for empty memory > nodes to cover it in NUMA binding document. > > Signed-off-by: Gavin Shan > --- > Documentation/devicetree/bindings/numa.txt | 46 +++++++++++++++++++++- > 1 file changed, 45 insertions(+), 1 deletion(-) > Applied, thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel