From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D7B56E92FD7 for ; Mon, 29 Dec 2025 20:41:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=GRTotQ9oxD+M7YnftL/kNaLJ1WqKE/EJ1QEMJE6Az1U=; b=TyJP7vvo2wNyCnGvc44/603JpJ pSXFIYUg5tK3FFHolgAnEUQniiWI/+HXgFpvGpwbp7ujY+ZyPj239g/MzEK+6f5Q7LZpjTQei+vUv /wnaYPoaYB3xcetVxcIYgxGrx9nTX8D3pIw0gioPiF6c8QA1wFxJ8wVEz6yspIcbrGmwPF7Gdc47n +myNQcgMKVxBSlnDns9CXPJDms8Ay1KbKMXoOr1vk88XmNc74TRLQ/Lmss65R/D/Y6suYH/9MBZad BWDiE1SCmc96ZWqUuCRaNL4v7hoTbxGbhmpCHYyOQLRPqPfKViPCendNDo7AZwma+wmEPjh4XfRLC WwPin7Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vaK3c-000000043b2-2HiS; Mon, 29 Dec 2025 20:41:36 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vaK3Z-000000043aI-3cSZ for linux-riscv@lists.infradead.org; Mon, 29 Dec 2025 20:41:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id EAA664183E; Mon, 29 Dec 2025 20:41:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9322EC4CEF7; Mon, 29 Dec 2025 20:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767040890; bh=GZ+1KKfaWUAEcxuxIpgqLNo0r9p6egS5f7P9gKbzco0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QSRG7hvxBwQ796IfjClt8gqnHeEg9FV3z8mjQpYJOHPTnhcOUr+/cnAT4eS+xWhcw Ry/Yz2NJZ5DA5UhE7xlqILcigyZGgJoMpuIuB0HMrcb7Ey7m1vgaCm9xAfhtLSz4bn sbTYmz31UIAeLJcFVaXN7OOZdttuepR+uxZUfFaBQo541btafW7mlmwhzqU1GM58MY M1UJdK4hRPnph8apO7+VSUObxlZC5iMC2GiurW2KC0C0UTBxkCWb1C8TBghjVP78ye lD82sIfiiyao8xdsYvHQc2rwHPPIbHwa6sC1CjLJJW0iqFCco3pfM0oBcDvtUsNP3Z l3grsjsZqTnwg== Date: Mon, 29 Dec 2025 15:41:29 -0500 From: Sasha Levin To: "Christophe Leroy (CS GROUP)" Cc: Andrew Morton , Sourabh Jain , linux-kernel@vger.kernel.org, Borislav Petkov , Heiko Carstens , Ingo Molnar , Madhavan Srinivasan , Michael Ellerman , Muchun Song , Oscar Salvador , Thomas Gleixner , Vasily Gorbik , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, x86@kernel.org, linux-riscv@lists.infradead.org, "David Hildenbrand (Red Hat)" , "Ritesh Harjani (IBM)" Subject: Re: [PATCH v7] mm/hugetlb: ignore hugepage kernel args if hugepages are unsupported Message-ID: References: <20251224115524.1272010-1-sourabhjain@linux.ibm.com> <20251228143533.33e2be2d6282d036f55e12cb@linux-foundation.org> <398ca47d-19d4-4b26-98db-2bf283b6b0cb@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <398ca47d-19d4-4b26-98db-2bf283b6b0cb@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251229_124133_939974_F2E20031 X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Dec 29, 2025 at 07:35:18PM +0100, Christophe Leroy (CS GROUP) wrote: > > >Le 28/12/2025 =E0 23:35, Andrew Morton a =E9crit=A0: >>On Wed, 24 Dec 2025 17:25:24 +0530 Sourabh Jain wrote: >> >>>Note for backporting: This fix is a partial retrieval of the commit >>>mentioned in the Fixes tag. It is only valid once the change referenced >>>by the Depends-on tag is present. When backporting this patch, the >>>commit mentioned in the Depends-on tag must be included first. >>> >>>Link: https://eur01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%= 2Flore.kernel.org%2Fall%2F20250121150419.1342794-1-sourabhjain%40linux.ibm.= com%2F&data=3D05%7C02%7Cchristophe.leroy%40csgroup.eu%7C93a8f925fc024ff9c3f= e08de46616c3b%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C6390255814040270= 66%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi= OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=3D3iVUdaMBW= hExKkDiV%2BBfYufPTKva1dVikhyQShOq7mc%3D&reserved=3D0 [1] >>>Link: https://eur01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%= 2Flore.kernel.org%2Fall%2F20250128043358.163372-1-sourabhjain%40linux.ibm.c= om%2F&data=3D05%7C02%7Cchristophe.leroy%40csgroup.eu%7C93a8f925fc024ff9c3fe= 08de46616c3b%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C63902558140405320= 6%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiO= iJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=3DGamDe2R87S= dpFurnj9Cmt9wOQtkGLgIO1z7nl5QPxgY%3D&reserved=3D0 [2] >>>Fixes: c2833a5bf75b ("hugetlbfs: fix changes to command line processing") >>>Depends-on: 2354ad252b66 ("powerpc/mm: Update default hugetlb size early= ") >> >>This will be the first "Depends-on:" in history. Which is a hint that >>we're doing something wrong. This innovation will surely fool any >>downstream automation. Let's use existing tools if possible. > >What do you mean by "first in history" ? Do you mean it's never been = >used before ? As far as I can see it has been used several times = >already. First one was in 2014 with commit a0855054e59b ("iwlwifi: = >dvm: drop non VO frames when flushing") > >Sasha, do tools use it ? The standard way to annotate dependencies is outlined in the docs: To send additional instructions to the stable team, use a shell-style in= line comment to pass arbitrary or predefined notes: Specify any additional patch prerequisites for cherry picking: Cc: # 3.3.x: a1f84a3: sched: Check for idle Cc: # 3.3.x: 1b9508f: sched: Rate-limit newidle Cc: # 3.3.x: fd21073: sched: Fix affinity logic Cc: # 3.3.x Signed-off-by: Ingo Molnar The tag sequence has the meaning of: git cherry-pick a1f84a3 git cherry-pick 1b9508f git cherry-pick fd21073 git cherry-pick My tools don't look at Depends-on: and I don't think that Greg's tools do t= hat either. -- = Thanks, Sasha _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv