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 X-Spam-Level: X-Spam-Status: No, score=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 374E0C433B4 for ; Tue, 20 Apr 2021 01:49:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A3A1D613AB for ; Tue, 20 Apr 2021 01:49:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3A1D613AB Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 389946B0036; Mon, 19 Apr 2021 21:49:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 312256B006E; Mon, 19 Apr 2021 21:49:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 18BC56B0070; Mon, 19 Apr 2021 21:49:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0045.hostedemail.com [216.40.44.45]) by kanga.kvack.org (Postfix) with ESMTP id EDE9F6B0036 for ; Mon, 19 Apr 2021 21:49:27 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9B7E38249980 for ; Tue, 20 Apr 2021 01:49:27 +0000 (UTC) X-FDA: 78051063174.26.8A50B8F Received: from mail-vk1-f172.google.com (mail-vk1-f172.google.com [209.85.221.172]) by imf22.hostedemail.com (Postfix) with ESMTP id 203D1C0007CB for ; Tue, 20 Apr 2021 01:49:21 +0000 (UTC) Received: by mail-vk1-f172.google.com with SMTP id s190so3593501vkd.6 for ; Mon, 19 Apr 2021 18:49:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=qZjn7BJ930tQuUyc2/FYjSiXsm0RfnjdcY/KS8brw38=; b=RdVGFWk4xyjwWK8lDp2fNYt+lZL0h7VD9eMRjRLicNeWKxip3Vte1JCF+U77aq3O1y GNTC8p2Xgw7WBHv7h0Cyxg6rxD3hS5AW3Hx0kIEk6AzXZOkSFaab/PDFRgYvZ8S8bZv6 Cd/3KsDJhSCWrc1nXOyqyMyuX+wFzj6PCy7JkP/5xq86Ky+farmnuHBqUlyLsHjStI9s ckcveV0w123J3BDLzve+n4aFbZjvGGJMq7EueTHyqG2t2DUbOxjqVVE0cPs7pzqyP3dz rPnqfRF8QZ0+2iWO/Fvzn+7+QGqZgFkReyhNwarAzgGU18hprKVP5JWyzFF8nzshp6PZ Q72w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=qZjn7BJ930tQuUyc2/FYjSiXsm0RfnjdcY/KS8brw38=; b=HBTq4s/OQVAR+YHRCOg6tlp2KxII+QOlI5klhjWEZhlTJ5COxsyd5gTxcmeMLnsP15 5y8loQ9WrI3BIbIULvYImcyLv/FtkbxJNYffMjZ9mzO52mDgFHUkEV4twlHzcGMjwmdu elwDQZkVN50c2ZmsLF6CF8vpOfADdW7M97M9vGU9UWhXHKLHIpoExeeUXrAOEnwReEyz 19NUa9x8X8aO1guu8kt/PRYSKZgEVrfMbuxfNrt3Nd/NxIUB5cS9YAhkwj3zX2rekEta otfAIb8qgn5s8a7TBxFmb8oK8eSUTUqLS9VEm1lvzyD9t1RNi7hR+tyyyIfWnXh8jANQ ChKw== X-Gm-Message-State: AOAM530OA/08nDhGHAcen7hC+eKMEuGDzaVxnAvVw2bYK9rQS+KK0irS A5a9WJRwzumEA5cg/N059G46f4SZScKOTSz6mSuNkg== X-Google-Smtp-Source: ABdhPJw0OGcwljAlKeGCi/eOkxnZbDWyQmVwZbTOHj2FcG5ahwl/tLbnnxBNcR+wGK++dIhjaOTk9tNdvXFaYXST+vI= X-Received: by 2002:a1f:53c7:: with SMTP id h190mr17800273vkb.19.1618883366234; Mon, 19 Apr 2021 18:49:26 -0700 (PDT) MIME-Version: 1.0 From: Jue Wang Date: Mon, 19 Apr 2021 18:49:15 -0700 Message-ID: Subject: Re: [PATCH v1 3/3] mm,hwpoison: add kill_accessing_process() to find error virtual address To: nao.horiguchi@gmail.com, "Luck, Tony" Cc: akpm@linux-foundation.org, bp@alien8.de, david@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, luto@kernel.org, naoya.horiguchi@nec.com, osalvador@suse.de, yaoaili@kingsoft.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: kcdoid36omtf7bzsbku33tdkabu584xu X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 203D1C0007CB Received-SPF: none (google.com>: No applicable sender policy available) receiver=imf22; identity=mailfrom; envelope-from=""; helo=mail-vk1-f172.google.com; client-ip=209.85.221.172 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1618883361-158916 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, 13 Apr 2021 07:43:20 +0900, Naoya Horiguchi wrote: ... > + * This function is intended to handle "Action Required" MCEs on already > + * hardware poisoned pages. They could happen, for example, when > + * memory_failure() failed to unmap the error page at the first call, or > + * when multiple Action Optional MCE events races on different CPUs with > + * Local MCE enabled. +Tony Luck Hey Tony, I thought SRAO MCEs are broadcasted to all cores in the system as they come without an execution context, is it correct? If Yes, Naoya, I think we might want to remove the comments about the "multiple Action Optional MCE racing" part. Best, -Jue