From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.mainlining.org (mail.mainlining.org [5.75.144.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9C903BBFB6; Tue, 22 Sep 2026 14:42:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.75.144.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790088142; cv=none; b=DpLbg/MvxDIDxRM3sxjsQWqruQUjXN0cnh2Qk6aOZvbtxNf9gdII7KsnGRpQqXWJNnhvgtPdK/6Bf/JcGzau49/LDRpZzKYUDI4Ymd9jLXmqVWNLn2YyVoR2AkSnXoXhlkuSnzhjiz3iadM+RgAqQeTxNV2KOjbr0PhSpl53Tk4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790088142; c=relaxed/simple; bh=8XWsRdIFUSABcQNvjha7hbsJNP1sQGmpZpslRSpb820=; h=Date:From:To:CC:Subject:In-Reply-To:References:Message-ID: MIME-Version:Content-Type; b=OdtKL8vxCgf9RZrE/KYtK5rRwpMMZnWxpH7m9Nx973OZTxqpQutBux/yLbxdRgPSj/4kVx/BqKEKEDEgNhqj53Qv5QfwIy6eq28Yd2DhuG6VFk2HH5VnUrGuHl45VcDmI22yiPUq5nas68pyTxVADz1JhLPvMQAN95wCGqtKiNg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mainlining.org; spf=pass smtp.helo=mail.mainlining.org; arc=none smtp.client-ip=5.75.144.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mainlining.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.helo=mail.mainlining.org Date: Tue, 22 Sep 2026 15:41:52 +0100 From: Bradley Morgan To: Petr Mladek CC: Andrew Morton , Jinchao Wang , Craig Lamparter , Wim Van Sebroeck , Guenter Roeck , linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_v7_0/6=5D_panic=3A_fix_panic=5Ffo?= =?US-ASCII?Q?rce=5Fcpu=3D_redirect_races_and_NMI_bypass?= In-Reply-To: References: <20260916182957.7788-1-brads@mainlining.org> Message-ID: <6FCE58E3-B367-4258-8852-EB04335F9590@mainlining.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit On 22 September 2026 13:35:54 BST, Petr Mladek wrote: >On Wed 2026-09-16 18:29:51, Bradley Morgan wrote: >> The panic_force_cpu= parameter redirects a panic to a specific CPU so >> the crash kernel runs there. The redirect code in panic_try_force_cpu() >> had two races and an NMI bypass, all found by Sashiko. This series >> closes them and kills one more hack that the rework turned up. > >IMHO, this version is ready to go. It would be great to fix the commit >message in the 4th patch but I think that Andrew could do the fixup. > Akpm? Up for it? >Best Regards, >Petr > --- Thanks! "I'm not a very positive person" - Linus torvalds