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 62DC1606A325 for ; Tue, 10 Nov 2026 12:31:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=A0NlB7zj; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lPqzm62S 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=Der7fgiXvRnpihogyZCLRPVXoT2AJly7UPQnFlw9TSg=; b=A0NlB7zjjJLYsJeqOA/qw2nBJF g/XC4Zxdanh/h5UffpVwj+7TNtYmGbF63YYVAZ0+6CyYRn6FMCYz3p8cqBLxWDMcUTE3MRGzJV0/z Uj9xMYJT2cSzRMiRohzBa//awa0naoJ4eBvQWIu09bkF4zq7ufUhMhf8qMKOTh8MzMfHPtV9EYqHX RDMga1PIi2zOqg1yKbH5VkUQ2NWvlO39M4dDfXrPBX35z9gLMX1fSMAkeV1XmIjFbH9RXgbex/M4s DOD7RavhlPiuU/NTC1CMGKO7TTyIk9btF61PgqqsrT0WfvSmtdwrZI83G+KaMLcaIYnD9mqEjtQNq fRQUfBrg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQl0t-00000003rGz-0UHq; Tue, 10 Nov 2026 12:31:47 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQl0s-00000003rGn-0Z29 for kexec@lists.infradead.org; Tue, 10 Nov 2026 12:31:46 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 75D7E614A1; Tue, 10 Nov 2026 12:31:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DD9C1F008A2; Tue, 10 Nov 2026 12:31:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794313905; bh=Der7fgiXvRnpihogyZCLRPVXoT2AJly7UPQnFlw9TSg=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=lPqzm62SEhz9MXyscDTgAIY9hS9jrO4A2j+jhVsvH/DF11gTeoMkOk3VYS2Pj+HhV tB7hur8fS9ffeaylGHJ6tBWGvoz8z2pCTkr0zbjuqWgLhD0Yx5ESop9yqFVqS4Md9v 4mGs+5LDR2QKqsUOlSH68maUMZMkvszKcr8+YA7oy8DVbwQT1AgGhYXxtSEjvL9SxO GgCE8cjne2ZuViI67moEQChYEoZ3HgkbwDZxDdCVYp9c1IYGgSiArYTeG6X2Som3Cx K+bpGG150YooOReRZjq8YjX4kPpS3LxHeWzes2cQe+r1JojLNmsnVCCMtl0uzE+D/L 60GVNiSM5D6JA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH printk 5/6] printk: Add panic+kexec flush point To: "John Ogness" , "Petr Mladek" Cc: "Sergey Senozhatsky" , "Steven Rostedt" , "Ryan Roberts" , "Breno Leitao" , "Andrew Morton" , "Baoquan He" , "Mike Rapoport" , "Pasha Tatashin" , "Pratyush Yadav" , "Dave Young" , kexec@lists.infradead.org In-Reply-To: <20261109123127.489676-6-john.ogness@linutronix.de> References: <20261109123127.489676-1-john.ogness@linutronix.de> <20261109123127.489676-6-john.ogness@linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 10 Nov 2026 12:31:44 +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: > During panic, nbcon consoles transition to atomic printing. However, > there are consoles that do not support safe atomic printing > (CON_NBCON_ATOMIC_UNSAFE). Such consoles will only flush during > panic if their unsafe flush policy allows them to do so. >=20 > The unsafe flush policy NBCON_PANIC_FLUSH only allows unsafe > flushing when particular flushes are explicitly invoked. Call > printk_trigger_flush(PR_FLUSH_RESTART) before performing the kexec > in order to give such consoles a chance to perform an unsafe flush. >=20 > Signed-off-by: John Ogness Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261109123127.4896= 76-1-john.ogness@linutronix.de?part=3D5