Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752140AbbHMITZ (ORCPT ); Thu, 13 Aug 2015 04:19:25 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:38828 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751654AbbHMITW (ORCPT ); Thu, 13 Aug 2015 04:19:22 -0400 Date: Thu, 13 Aug 2015 10:19:17 +0200 From: Ingo Molnar To: Matt Fleming Cc: Thomas Gleixner , "H. Peter Anvin" , "Jonathan (Zhixiong) Zhang" , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, Matt Fleming , Borislav Petkov Subject: Re: [PATCH 2/2] acpi, apei: use appropriate pgprot_t to map GHES memory Message-ID: <20150813081917.GA14610@gmail.com> References: <1439396234-22863-1-git-send-email-matt@codeblueprint.co.uk> <1439396234-22863-3-git-send-email-matt@codeblueprint.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1439396234-22863-3-git-send-email-matt@codeblueprint.co.uk> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 760 Lines: 22 * Matt Fleming wrote: > From: "Jonathan (Zhixiong) Zhang" > > With ACPI APEI firmware first handling, generic hardware error > record is updated by firmware in GHES memory region. On an arm64 > platform, firmware updates GHES memory region with uncached > access attribute, and then Linux reads stale data from cache. So this paragraph does not parse for me ... If it tries to explain a bug it falls very short of doing a proper job of that. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/