Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757222Ab1FGUzU (ORCPT ); Tue, 7 Jun 2011 16:55:20 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:34301 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754309Ab1FGUzT (ORCPT ); Tue, 7 Jun 2011 16:55:19 -0400 Date: Tue, 7 Jun 2011 21:55:07 +0100 From: Matthew Garrett To: "Luck, Tony" Cc: "linux-kernel@vger.kernel.org" , "Matt_Domsch@dell.com" Subject: Re: [PATCH v2 3/3] efi: Add support for using efivars as a pstore backend Message-ID: <20110607205507.GA1386@srcf.ucam.org> References: <1307470562-15633-1-git-send-email-mjg@redhat.com> <1307470562-15633-4-git-send-email-mjg@redhat.com> <987664A83D2D224EAE907B061CE93D5301E70D8EAE@orsmsx505.amr.corp.intel.com> <20110607202517.GA732@srcf.ucam.org> <987664A83D2D224EAE907B061CE93D5301E70D8F43@orsmsx505.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <987664A83D2D224EAE907B061CE93D5301E70D8F43@orsmsx505.amr.corp.intel.com> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1015 Lines: 22 On Tue, Jun 07, 2011 at 01:52:32PM -0700, Luck, Tony wrote: > It depends on your level of paranoia - and on what problems > you think might occur. In an ideal world all the back-ends > would work - and we'd just use one until it filled up, and > then move to the next. in the real world one of the back-ends > might just randomly hang the system - converting a crashing > system into a hung system (which many people consider a more > severe problem). Giving a user an opt-out method for a back-end > looks good in that scenario. Yeah. I guess the question then is whether the mediation should be in pstore or at the platform backend level. strcmp in pstore_register seems somehow fragile for this, but I guess it'd work? -- Matthew Garrett | mjg59@srcf.ucam.org -- 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/