Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752671AbbHRMyI (ORCPT ); Tue, 18 Aug 2015 08:54:08 -0400 Received: from www.linutronix.de ([62.245.132.108]:56840 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353AbbHRMyG (ORCPT ); Tue, 18 Aug 2015 08:54:06 -0400 Date: Tue, 18 Aug 2015 14:53:26 +0200 (CEST) From: Thomas Gleixner To: Alex Deucher cc: Jiang Liu , Alexander Holler , Mark Rustad , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Tony Luck , LKML Subject: Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 In-Reply-To: Message-ID: References: <1439108128-18441-1-git-send-email-jiang.liu@linux.intel.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 21 On Mon, 17 Aug 2015, Alex Deucher wrote: > On Sun, Aug 9, 2015 at 4:15 AM, Jiang Liu wrote: > > 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. > > I don't see this upstream yet. Any chance this will make 4.2? Yes, it's going to be there. -- 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/