From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 70121288CBE; Thu, 17 Jul 2025 09:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752746283; cv=none; b=sR2zo9dYchMXQyEgGki0jvyOdDr74+yQEWWdjpwgRm4pQbHz3kXx/dpJkkV4OON6fVmoTpIBeeDaDcOh6xMAj4bpEI+B0PGxmgniEMHlwTWlqCHhc1BVzt45tsuzRhQSEvqiGXaNXZgtUjIond3RIDLoAibaAZlfSE0bueHoMrk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752746283; c=relaxed/simple; bh=UcUgBkuYffStTu9fwls0Y3+yc53zyJShMuqRpuh0m6U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=im6TFTLGZlQgj81EIexbybFBpSayOKRquBPTERxosSjeDt44gPPYW6f7V3UUiulGxHC/augHznRJj6v9utIeMLepmKPKbPJnO28AgCVXIw5wn73BdKKoxWKmm6RfDu5A2Lsb8vk1EL3ZSigDkvtiqS6eF3Njcg7ekXcqsjlt/C8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UhvWfng3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UhvWfng3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46846C4CEE3; Thu, 17 Jul 2025 09:58:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752746283; bh=UcUgBkuYffStTu9fwls0Y3+yc53zyJShMuqRpuh0m6U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UhvWfng3K9WZ0rqIyPCE+c3v/AD/aq47bpEszhmoia4fLXW3W9JL1eimyr6/pUyDq H1Q4N81D1NDt4X12/6FIjOxVKPvv+VYGj5n6YQ+UmSKSNSckfFH8cOCQB6csLeRMMg af2a29ptpPbP2icx80CsOlWpYonOkXMUnvz5is9fjezihWGMLl22rqg8R1ivi1sZb+ zELsDeUScZYjFgE94OdkQRP1J27LmHVaXw1zFlx1Pvs+ytdm+WkuNnJMCIS0vrbB00 1TMhIt/hDBX7S/YCwCGYqtJ+dUB2clUtoXBrPzVx/7sItHqDhlIDKIYycvrNxCDBXQ 0byBA1G8EV/ow== Date: Thu, 17 Jul 2025 10:57:57 +0100 From: Will Deacon To: Breno Leitao Cc: Mark Rutland , "Rafael J. Wysocki" , Len Brown , James Morse , Tony Luck , Borislav Petkov , Robert Moore , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, acpica-devel@lists.linux.dev, kernel-team@meta.com, Catalin Marinas , osandov@fb.com, leo.yan@arm.com, rmikey@meta.com Subject: Re: [PATCH v2] arm64: Mark kernel as tainted on SAE and SError panic Message-ID: References: <20250716-vmcore_hw_error-v2-1-f187f7d62aba@debian.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=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Jul 16, 2025 at 03:52:55AM -0700, Breno Leitao wrote: > On Wed, Jul 16, 2025 at 11:19:38AM +0100, Mark Rutland wrote: > > On Wed, Jul 16, 2025 at 02:42:01AM -0700, Breno Leitao wrote: > > > Set TAINT_MACHINE_CHECK when SError or Synchronous External Abort (SEA) > > > interrupts trigger a panic to flag potential hardware faults. This > > > tainting mechanism aids in debugging and enables correlation of > > > hardware-related crashes in large-scale deployments. > > > > > > This change aligns with similar patches[1] that mark machine check > > > events when the system crashes due to hardware errors. > > > > > > Link: https://lore.kernel.org/all/20250702-add_tain-v1-1-9187b10914b9@debian.org/ [1] > > > Signed-off-by: Breno Leitao > > > --- > > > Changes in v2: > > > - Also taint the kernel on Synchronous External Abort panics (Will Deacon) > > > - Link to v1: https://lore.kernel.org/r/20250714-vmcore_hw_error-v1-1-8cf45edb6334@debian.org > > > > I think something went wrong when respinning this patch, because the v1 > > link above is incorrect, and should be: > > > > https://lore.kernel.org/linux-arm-kernel/20250710-arm_serror-v1-1-2a3def3740d7@debian.org/ > > > > The Cc header for this posting matches that of the unrelated patch (and > > excludes Will, Catalin, etc), rather than that of the real v1. The > > change-id trailer also doesn't match v1. > > > > The actual patch and commit message look fine to me, so: > > Sorry about it, it was totally my mess with b4 on two different > machines/branches. I've been testing it on a arm64 hosts that > has no email access. When I picked the patch into the machine with > email, I messed up where to cherry pick and branches. > > > Acked-by: Mark Rutland > > > > I assume that Will or Catalin will be happy to pick this up. I've added > > those missing folk to this reply, so I don't imagine this should need a > > respin. > > Thanks. I will not respin then (unless requested). > > Sorry for the mess, No probs, I'll figure it out! Will