From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH v2 2/2] mce: don't try to wake thread before it exists. Date: Fri, 6 Mar 2015 22:01:27 +0100 Message-ID: <20150306210127.GH10155@linutronix.de> References: <1425046838-4868-1-git-send-email-daniel.wagner@bmw-carit.de> <1425046838-4868-3-git-send-email-daniel.wagner@bmw-carit.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-rt-users@vger.kernel.org, Paul Gortmaker To: Daniel Wagner Return-path: Received: from www.linutronix.de ([62.245.132.108]:56824 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750781AbbCFVBb convert rfc822-to-8bit (ORCPT ); Fri, 6 Mar 2015 16:01:31 -0500 Content-Disposition: inline In-Reply-To: <1425046838-4868-3-git-send-email-daniel.wagner@bmw-carit.de> Sender: linux-rt-users-owner@vger.kernel.org List-ID: * Daniel Wagner | 2015-02-27 15:20:38 [+0100]: >From: Paul Gortmaker =E2=80=A6 >[wagi: Replaced WARN_ON_ONCE with a 'creative' defer logic] >Signed-off-by: Daniel Wagner You can't use Paul's From: and submit a different patch with only one change hit "creative". But it is not that bad if we get an IRQ that early and can't process it= =2E We only miss a printk. The userland helper is not yet ready and we won'= t anyone one waiting on the wait queue. So it should be enough to simply check if the swait is ready. After userland is ready it should notice that there was a MCE event. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html