From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) (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 7907450255B; Fri, 18 Sep 2026 15:27:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.195.75.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789745279; cv=none; b=LX7PpTAYXr3M7tqhgC3QXQD1NzcukPgIUx92OdtoeZIS2+beeumE8RCiAFWssLBhBHaVf7HFYvBFBytjr1QZmZyoGlhvoH8xy8W1RRBpq3Tu66XreL4wPV3oLVJ62yvy5k1eJsRLD6vFGLj7/GRpZ3Iha02Q24QKB0uKdfzEO3A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789745279; c=relaxed/simple; bh=N/jmJ7LZZR/1sSBpc7h3MkpctCTbA/0VAY284FY63k8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VG/8dEuB/TVdkqRaZvdMnO2EChMuL1Dvk+gghBErXX7bpA6+Gg4pchdt5k7GOyhEn76+tx5iwbhmAlhJAj85L6m8KnE1TRq+X0ID47ORfODeUsYRntWAEIEIQXmTUfG3Hd71rrCdAyBuCMSNplmvP/rcmc1Jc5GyWPMKcU1ijys= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org; spf=pass smtp.mailfrom=debian.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b=JTa7w1HA; arc=none smtp.client-ip=82.195.75.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=debian.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b="JTa7w1HA" 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> 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: X-Debian-User: leitao 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.