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 6A9C1C5B572 for ; Wed, 12 Aug 2026 12:08:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ei39ELWB+Kc2pXETi/HNp7tTiIPtqt1tiDtMwuQJ9N8=; b=esp1qkX8aBFbLjcvBCsH5v15bP 4x++okIBOqVV356LzbEq8/WcmoyQTYGoImLlXvja0qFyhCzUdiAA/YPgBbt0QF5Cel81bMnQXO/jR 51fQWKM18Gvhu+bPBadJpCPZlIuEL1HExDfXV4GWhDrzbydOvSSVvsXxfq5qq5KM5i6hzZvxHpDVi 6UTEJ83XqQOc33yA6jyYUNup5/H8rX19vgQ8/9WHsiN7TPZeXudq8OEzw7p3J5JrrTN81SXXmpIWt htiAzRov9Roliv4UNKArE+xGzKNaQiNGY9Yu3oLFnXJPktsRlnFYbry3r0sG/V/pNbb6ff++CXWFR K9q/yrdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wu7kp-0000000G9g4-0Phj; Wed, 12 Aug 2026 12:08:19 +0000 Received: from stravinsky.debian.org ([2001:41b8:202:deb::311:108]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wu7km-0000000G9fW-1aMB for kexec@lists.infradead.org; Wed, 12 Aug 2026 12:08:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Ei39ELWB+Kc2pXETi/HNp7tTiIPtqt1tiDtMwuQJ9N8=; b=jssfigmqnFP6RQjRsa95nGCxas STpZHA+b1aSnASOsdnq+4BF0SqVKtQekWaRPFD57vLFUqII0Bl9pp6l/xzit4V8StWxg7O+ojX3un SOWW/6/y2tNR714G1y/SuI0RPQ+sgzS93C3F0zUARseVO7wGYlI7sgkCIZ3qFHxCZ2kvLjw/4EWOC U9C1Mvy6R94Y1RRNGqKkCgJFN28nx7P06iuLC6JNzqalrL2eVO89EG/P/uyqIL06pVcGQtxt8QF7l DNEh5a8yUNyKOEnrh9zUQotJX7fup0S8DmFrM1/nQlowms9MWj79qR2YWZm+7odN2wttgQdKnsUw7 vuS/sD2Q==; Received: from authenticated-user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1wu7kR-004KSI-0L; Wed, 12 Aug 2026 12:07:56 +0000 Date: Wed, 12 Aug 2026 05:07:49 -0700 From: Breno Leitao To: Bradley Morgan Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Baoquan He , Pasha Tatashin , Pratyush Yadav , Miaohe Lin , Naoya Horiguchi , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, rmikey@meta.com, riel@surriel.com, kernel-team@meta.com, Kiryl Shutsemau Subject: Re: [PATCH v6 0/2] kexec: keep the next kernel off hardware-poisoned pages Message-ID: References: <20260812-kexec_posioned-v6-0-e477887086f0@debian.org> <6D17A62B-3124-492F-9593-63F857DD475F@grrlz.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6D17A62B-3124-492F-9593-63F857DD475F@grrlz.net> X-Debian-User: leitao X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260812_050816_459316_EB4FA99D X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Hello Bradley, On Wed, Aug 12, 2026 at 12:36:59PM +0100, Bradley Morgan wrote: > On 12 August 2026 12:31:50 BST, Breno Leitao wrote: > >Changes in v6: > >- Split the pre-existing top-down underflow out into its own patch, and > > drop the "if (poison < kbuf->memsz)" guard from the hwpoison hunk now > > that the loop bail-out covers it. (Mike Rapoport, Sashiko) > >- Link to v5: https://patch.msgid.link/20260810-kexec_posioned-v5-1-95e1b5e2e656@debian.org > > This is a two patch series with one patch, why? This is a patch series with _two_ patches, isn't it? [PATCH v6 1/2] kexec_file: stop the top-down search before it underflows [PATCH v6 2/2] kexec: keep the next kernel off hardware-poisoned pages If you asking why it was split, we decided to split the fix into a separate patch, and keep the "feature" in separate patch. The discussion happened in https://lore.kernel.org/all/anskyrEVUlnTVEgF@kernel.org/