From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 0670B1848; Wed, 19 Jun 2024 06:31:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718778699; cv=none; b=BIN5oVoPfD+Lfc/XsfP8I69ND7k+OH8aGHS5vu5ILZIadzR7iRft9Knlr1S4zvzz8sKeoaWbjk7nmIH6sG5xCQJMSlGyEP8RqoPGNDYEJJvs4f6lUJ/lP+3bHX+Y7kvqYhd7KK0PZ/ffC4rSYCi2lIUq8IzPf2QCsTC9JAYhGVA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718778699; c=relaxed/simple; bh=ccbPSRK8qMlCUf6lppX/RuMkzSrq0NUDekMEo6/hpow=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=jrQMbb0/H1dWqsdFaaJD+yxPZJgrBbo7AADadqjwkEqCbxYjzTzx8GZvBCvpD96TzgKB2rz3DNat2o1JrSvmOFQx5PdSaz1fcgDOZa8sait+wzmmTkxec/QTmhD+YwOW6QOfw5NcRtpE9mr/ArRNlIwuvSVCH5fmXk4MQmC9Wcc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au; spf=pass smtp.mailfrom=ellerman.id.au; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b=OOvQF49J; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="OOvQF49J" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1718778692; bh=qjyG9jPtAFgV4AUANLc1JylhQQ3I6B14AefyyVdS0kE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=OOvQF49JLkPk/HkdhhfpfwAbhCmFRjv4QDDh1Eoj2bWx7tjFiVmjkdY9hsusecYuE OZlkBfSwDFfNWU7d20RR9ANb4nFgj3AwB4m2gc7fqgjxxaxuuxPQCxclTSLNK4z226 g7/HrJg6vhclhcBB4Qrd4jf36/IV5SbYnRJV1EFG3P7lM5N4d8Z2kvO0hzkKt7Nvmi 26TNXBbUg2Vn0zn0C7I8l9E1LJTirsb1jh9zS0QCZY5nH0RBoz+xvWLpv4kjj996cv uEdJ2WwVLcDnDbCH0UvShf0U35nOVgN2j1PvFZ1hjQ9SjZ5BPVR79MkLKy8LYcMl9l OnwEig59nOQCw== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4W3v0N4f6Sz4w2R; Wed, 19 Jun 2024 16:31:32 +1000 (AEST) From: Michael Ellerman To: Pavel Machek , Sourabh Jain Cc: Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, hbathini@linux.ibm.com, bhe@redhat.com, akpm@linux-foundation.org, bhelgaas@google.com, aneesh.kumar@kernel.org, linuxppc-dev@lists.ozlabs.org, Mahesh J Salgaonkar , Naveen N Rao Subject: Re: [PATCH AUTOSEL 6.9 18/23] powerpc: make fadump resilient with memory add/remove events In-Reply-To: References: <20240527155123.3863983-1-sashal@kernel.org> <20240527155123.3863983-18-sashal@kernel.org> <944f47df-96f0-40e8-a8e2-750fb9fa358e@linux.ibm.com> Date: Wed, 19 Jun 2024 16:31:30 +1000 Message-ID: <87a5jhe94t.fsf@mail.lhotse> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Pavel Machek writes: >> Hello Sasha, >> >> Thank you for considering this patch for the stable tree 6.9, 6.8, 6.6, and >> 6.1. >> >> This patch does two things: >> 1. Fixes a potential memory corruption issue mentioned as the third point in >> the commit message >> 2. Enables the kernel to avoid unnecessary fadump re-registration on memory >> add/remove events > > Actually, I'd suggest dropping this one, as it fixes two things and is > over 200 lines long, as per stable kernel rules. Yeah I agree, best to drop this one. It's a bit big and involved, and has other dependencies. cheers