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 647B9C982DA for ; Fri, 18 Sep 2026 15:28:33 +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=N/jmJ7LZZR/1sSBpc7h3MkpctCTbA/0VAY284FY63k8=; b=HOjJzpymzbQUUJb7kYLFSSjyj9 v9aPwopPyhOxr49ipgfESJ7nyEm0H1etjXlK1MXZiRLBv3KB1F8NyBFphp6K9y2r95eSODVemqsEd zIzjVg1UF5m7CMF+TGxPhGh6zPYOZWt7lI98zPqwYZorgtkXEtKoiGDAQEUziHpeaC+rOeCMk9/ON xDu1SAJUHNFWExX1kIobtw0azmAuwSosZI4cbkv8yaHnSTbBvs9DTEtNT0dT/pvslwIfJKBbeXue6 xKG8pQRzGeB02qPNa84Di9RIRo2J4ALsQ/y+ZZs6B9PkhHRVLTiFIprrsjP215CurJk0isSdrt0F0 IgS+7xXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7aVr-0000000EswK-1QJW; Fri, 18 Sep 2026 15:28:31 +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 1x7aVn-0000000Esvg-2BtR for kexec@lists.infradead.org; Fri, 18 Sep 2026 15:28:29 +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=N/jmJ7LZZR/1sSBpc7h3MkpctCTbA/0VAY284FY63k8=; b=JTa7w1HAnYJLKRzmXqqM/n26PT XVERCbe9w1NQse8+JSAoioonymw9wi5vLK9SsZzoN90WrTjgDiQwU+OaXAp86a5/Ii5tYXQO0izMZ WX3CS0Yp/ScF6ORLsZwJdjG0A8aw1LN3XlrQpakTWPsxfB8JhzZju1bTK5R9AUbrp80nVpHrrGN8W cO/aaM8VEcxuEkf9hIJ8w5Fw5SYwXC785b4tlNiGKvsPXbFNEfZX+l/g9v18MiAIoQ6lzvR5ExgL9 wCKQBPI9INQ+fzEGLXsrYkcM/qtQ7d2mMNwXEyD6BVVjQsIoDNuO/UZoL9gq9ZB+qWbNT33nHTli7 CDjYGqYA==; 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 1x7aVB-006p7a-0M; Fri, 18 Sep 2026 15:27:49 +0000 Date: Fri, 18 Sep 2026 08:27:40 -0700 From: Breno Leitao To: "David Hildenbrand (Arm)" Cc: sashiko-reviews@lists.linux.dev, Andrew Morton , hannes@cmpxchg.or, Borislav Petkov , Danilo Krummrich , Brendan Jackman , x86@kernel.org, kas@kernel.org, Suren Baghdasaryan , Zi Yan , "Liam R. Howlett" , Vlastimil Babka , Thomas Gleixner , Oscar Salvador , "Rafael J. Wysocki" , shakeel.butt@linux.dev, Johannes Weiner , Ilias Apalodimas , Miaohe Lin , Ard Biesheuvel , Michal Hocko , Naoya Horiguchi , Greg Kroah-Hartman , Mike Rapoport , "H. Peter Anvin" , Lorenzo Stoakes , Dave Hansen , Ingo Molnar , linux-mm@kvack.org, kexec@lists.infradead.org, linux-cxl@vger.kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, harry@kernel.org, rmikey@meta.com, kernel-team@meta.com, driver-core@lists.linux.dev, riel@surriel.com Subject: Re: [PATCH v5 6/9] mm/memory-failure: efi: answer whether a range is poisoned Message-ID: References: <20260915-hwpoison-kho-v5-0-3bc7a57bd503@debian.org> <20260915-hwpoison-kho-v5-6-3bc7a57bd503@debian.org> <20260915134535.C3FC91F00899@smtp.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Debian-User: leitao X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260918_082827_579498_317F1DDE X-CRM114-Status: GOOD ( 11.53 ) 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 On Wed, Sep 16, 2026 at 08:44:30AM +0200, David Hildenbrand (Arm) wrote: > On 9/15/26 15:45, sashiko-bot@kernel.org wrote: > >> The bitmap an earlier kernel filled in gets in this one through EFI, > >> but nothing reads it back yet. > >> > >> Introduce range_contains_poisoned_memory(), which the page allocator > >> will use to ask about a block before handing it out. > >> > >> Signed-off-by: Breno Leitao > > > > Sashiko has reviewed this patch and found no issues. It looks great! > > > > David has reviewed this mail and it annoyed him. Breno is curious what annoyed David here.