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 6F5CBC433ED for ; Tue, 20 Apr 2021 01:49:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5084161008 for ; Tue, 20 Apr 2021 01:49:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231592AbhDTBt6 (ORCPT ); Mon, 19 Apr 2021 21:49:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229528AbhDTBt6 (ORCPT ); Mon, 19 Apr 2021 21:49:58 -0400 Received: from mail-vk1-xa32.google.com (mail-vk1-xa32.google.com [IPv6:2607:f8b0:4864:20::a32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FB32C06174A for ; Mon, 19 Apr 2021 18:49:27 -0700 (PDT) Received: by mail-vk1-xa32.google.com with SMTP id a11so1618091vkl.0 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=hAHC4JheTAXATbXMTgKPxSxTb1Xb4yo7fbHVDHB3y+T4KnX8fxsqgXGzAp5vD75F7G t0ACn6UkOXg0cVoAf/nPuadmZNjLgCXpiKArUHbRIqXkTARal9p9yMVK7+NwppbwX6aI InCmgy5GzVt/+TX31bKYyiS2JChLViD3M0NUBxBKfbXp1DOF6092k2sGNmbiZV6r/b+c 8TIkin+MHiiNGnbcCLDre3EeFOaoAAEbz52UjfOW/UChBlLnFnUxHb1jBAhH2MmO87/Z ewEFoZXNGMkPBorjtFjCIW2S/Miv5K8SOTkjMqzm6W2MrvlnNds3w6iKo5h31gSy51N9 byzg== X-Gm-Message-State: AOAM533OqJ+S3dloLiGPzAW0/JUBxz9XzwDL8iXJIb4d+xDb4trsvGGB V7bf0nTbgKlH/zbx5xCeS94N8y1Rj+g7Kery19Ar4g== 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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