Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754610AbbHIOMG (ORCPT ); Sun, 9 Aug 2015 10:12:06 -0400 Received: from mga02.intel.com ([134.134.136.20]:12430 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754532AbbHIOLu (ORCPT ); Sun, 9 Aug 2015 10:11:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,639,1432623600"; d="scan'208";a="622151952" Subject: Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 To: Alexander Holler , Thomas Gleixner , Mark Rustad , Alex Deucher , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org References: <1439108128-18441-1-git-send-email-jiang.liu@linux.intel.com> <55C72814.9010404@ahsoftware.de> Cc: Tony Luck , linux-kernel@vger.kernel.org From: Jiang Liu Organization: Intel Message-ID: <55C75FA0.3060304@linux.intel.com> Date: Sun, 9 Aug 2015 22:11:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <55C72814.9010404@ahsoftware.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1461 Lines: 32 On 2015/8/9 18:14, Alexander Holler wrote: > Am 09.08.2015 um 10:15 schrieb Jiang Liu: >> Alex Deucher, Mark Rustad and Alexander Holler reported a regression >> with the latest v4.2-rc4 kernel, which breaks some SATA controllers. >> With multi-MSI capable SATA controllers, only the first port works, >> all other ports times out when executing SATA commands. This regression >> bisects to 52f518a3a7c2 ("x86/MSI: Use hierarchical irqdomains to manage >> MSI interrupts"), but it's not the root cause, it just triggers a bug >> caused by b5dc8e6c21e7 ("x86/irq: Use hierarchical irqdomain to manage >> CPU interrupt vectors"). >> >> With this patch applied, the affected SATA controllers work as expected. >> >> Signed-off-by: Jiang Liu >> Reported-by: Alex Deucher >> Reported-by: Mark Rustad >> Reported-by: Alexander Holler >> --- >> Hi Alex, Mark and Alexandler, >> Sorry for the long delay to root cause this regression, it's >> really annoying. Could you please help test this patch against the >> latest v4.2-rcx? > > Works. Thanks. > > Tested-by: Alexander Holler Thanks, Alexander! -- 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/