From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F33E1606A326 for ; Thu, 22 Oct 2026 08:33:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=lYKUCKIj; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=HwA/MW+h DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=Sig2fRytiH3CoX3EJXsHl29TZlpoGoqp+70EEbroBwY=; b=lYKUCKIj4YInnjSDeLq/nP39Oy JLkVh2x0ufcIo5nN4FB8oSLuCztkBzraMK+6Qe/bmV+ZIYNmaCYQDmdxMfhZVNDIAeUaqA8ddb3h8 3JsvSabDM69jmx6r3PYa9aI8Ml82naKD/ag1B8ZOSnToFBMx4MzAG95JN4I7yqrvqA8xc/wC5Yx// I5C+N0lzhQKxlAJ0zqZHtLDx3ZSxNx9TZaRg4b1S/YQTdbPYw4DQ84WsCGcOvquAXaAzS67D1S4XH i/DfL2X5ZmqcJYZucBwyCaT8YttygcrIPLPwEavU1e4W7kLP1twgNiuD+D/vcXdvy9O8WGPSbRuNP Jaz1KDLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJoEl-0000000Dg1w-3CE3; Thu, 22 Oct 2026 08:33:23 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJoEg-0000000DfyE-09wx for kexec@lists.infradead.org; Thu, 22 Oct 2026 08:33:18 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 7226660A65; Thu, 22 Oct 2026 08:33:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A532E1F000C2; Thu, 22 Oct 2026 08:33:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792657997; bh=Sig2fRytiH3CoX3EJXsHl29TZlpoGoqp+70EEbroBwY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=HwA/MW+hz/UlZq9o2AwUT0PWWvZGNTqZynhxdfNoWsVQLjF+1tzz6Sge5knm6RIFU jTo9XuqJB1MpdvVOqeOTBeOAw2BWgVj3sXTlqbAGKAm4tT1UKfXIpHqjUHajYy1hUe Fu6gMcUa3b08x/7vwMTtyTF0BDr7AyS3V4hf/5fJ7qeBMFW+zOa17j3Tge/wTbJZkE zr54Sm2kjDzyFGv7FH095GHhlJ6w00ieOa8BUb1x5dkTUbXEpJPuyArWoTfC+eVbVW pHUB3km8D7Ir3/z7oNQjNKJOfEyOHYBpGVnLMirDcsFqvI9H3MbQsx0KQtJwGeXIO2 KRaZPnVbrkmPQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v9 6/8] of: reserved_mem: add dumpable flag to opt-in vmcore To: "Wandun Chen" , robh@kernel.org, baoquan.he@linux.dev, rppt@kernel.org, m.szyprowski@samsung.com Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, chenhuacai@kernel.org, kernel@xen0n.name, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, saravanak@kernel.org, akpm@linux-foundation.org, pasha.tatashin@soleen.com, pratyush@kernel.org, ruirui.yang@linux.dev, robin.murphy@arm.com, kexec@lists.infradead.org In-Reply-To: <20261021083011.2170525-7-chenwandun1@gmail.com> References: <20261021083011.2170525-1-chenwandun1@gmail.com> <20261021083011.2170525-7-chenwandun1@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 22 Oct 2026 08:33:14 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > From: Wandun Chen >=20 > Add a 'dumpable' flag to struct reserved_mem to decide whether a > reserved area should be included in the kdump vmcore. Non-dumpable > regions are later marked MEMBLOCK_NODUMP; the filtering itself happens > in memblock, keeping the arch kdump code independent of the DT API. >=20 > Most reserved regions are owned by devices and do not contain data > useful for kernel crash analysis, so dumpable default to false. > Reusable CMA regions are different: their pages are handed back to the > buddy allocator and may contain key data for crash analysis, so set > dumpable to true in rmem_cma_setup(). >=20 > Suggested-by: Rob Herring > Signed-off-by: Wandun Chen Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261021083011.2170= 525-1-chenwandun1@gmail.com?part=3D6