From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Gortmaker Subject: Re: [PATCH 3.14-rt] sas-ata/isci: dont't disable interrupts in qc_issue handler Date: Wed, 18 Feb 2015 10:33:34 -0500 Message-ID: <54E4B0CE.1020508@windriver.com> References: <1423929676-35724-1-git-send-email-paul.gortmaker@windriver.com> <20150218113803.GG28763@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: To: Sebastian Andrzej Siewior Return-path: Received: from mail1.windriver.com ([147.11.146.13]:43315 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751221AbbBRPfH (ORCPT ); Wed, 18 Feb 2015 10:35:07 -0500 In-Reply-To: <20150218113803.GG28763@linutronix.de> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 15-02-18 06:38 AM, Sebastian Andrzej Siewior wrote: > * Paul Gortmaker | 2015-02-14 11:01:16 [-0500]: >=20 >> On 3.14-rt we see the following trace on Canoe Pass for >> SCSI_ISCI "Intel(R) C600 Series Chipset SAS Controller" >> when the sas qc_issue handler is run: >=20 > So I have finally something that is using isci I would have assumed t= hat > I would be affected by this. But somehow it does not pop up=E2=80=A6 =46unny you should mention that, as I too had the same thought, since I also did not see it on my machine with the same hardware, but I did see it on the machine I was loaned to diagnose the issue. I assumed that the loaner machine had flaky media that was calling error handler code that my machine would never run. P. -- >=20 > Applied. >=20 > And we are down to > | $ git grep -c 'local_irq_save\W' drivers/scsi/ | wc -l > | 14 >=20 > I hope the others are just old things nobody is using=E2=80=A6 >=20 > Sebastian >=20 -- 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