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Tsirkin" To: Yuho Choi Cc: "David Hildenbrand (Arm)" , Jason Wang , Eugenio =?iso-8859-1?Q?P=E9rez?= , Xuan Zhuo , virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v1] virtio-mem: only mark the device ready in kdump mode with vmcore support Message-ID: <20261102113328-mutt-send-email-mst@kernel.org> References: <20261016023521.747447-1-oss.patchbox@gmail.com> <25a35fa8-9540-4892-8375-1788e6795dfb@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Oct 19, 2026 at 07:46:50PM -0400, Yuho Choi wrote: > On Mon, 19 Oct 2026 at 09:05, David Hildenbrand (Arm) wrote: > > > > Which kdump kernel exists that does not enable CONFIG_PROC_VMCORE? > > > > IOW, why should this be stable material? > > I tagged it because a9403425b3cf has been in releases since v6.14 and > PROC_VMCORE can still be turned off with CRASH_DUMP enabled, so the > -EBUSY path is reachable in a valid configuration. But as no practical > kdump kernel disables it, I'll drop the Cc: stable in v2. still did not get v2. > > LGTM, but I am pretty sure it does not make any difference in practice? > > Right, nothing is queued on that path, so the device has nothing to > access.