From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: Re: Regression in v4.2-rc1 caused by hierarchical irqdomain changes Date: Thu, 30 Jul 2015 12:08:49 +0800 Message-ID: <55B9A351.1060702@linux.intel.com> References: <20150727152107.GA3571@codeblueprint.co.uk> <55B65DD8.9020002@linux.intel.com> <20150727211502.GA2492@codeblueprint.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thomas Gleixner , Matt Fleming Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "H. Peter Anvin" , Ingo Molnar , Wolfram Sang , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org On 2015/7/30 5:03, Thomas Gleixner wrote: > On Mon, 27 Jul 2015, Matt Fleming wrote: >> [BAD] >> 3: 1 0 0 0 IR-IO-APIC 3-edge >> 6: 0 0 0 0 IR-IO-APIC 6-edge dw_dmac >> 7: 15 1 0 0 IR-IO-APIC 7-edge INT3432:00, INT3433:00 > > [GOOD] >> 3: 16 17 49 20 IR-IO-APIC-fasteoi AudioDSP, dw_dmac >> 6: 0 0 0 0 IR-IO-APIC-fasteoi dw_dmac >> 7: 2662 3072 12307 5419 IR-IO-APIC-fasteoi INT3432:00, INT3433:00 > > So the old code uses fasteoi while the new one uses edge. > > Jiang???? Sorry for the slow response. We have reproduced this regression on Surface Pro 3, but are still trying to figure out the root cause. Thanks! Gerry