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From: Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	Matt Fleming
	<matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Regression in v4.2-rc1 caused by hierarchical irqdomain changes
Date: Thu, 30 Jul 2015 12:08:49 +0800	[thread overview]
Message-ID: <55B9A351.1060702@linux.intel.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1507292245000.3825@nanos>

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

WARNING: multiple messages have this Message-ID (diff)
From: Jiang Liu <jiang.liu@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Matt Fleming <matt@codeblueprint.co.uk>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Ingo Molnar <mingo@kernel.org>, Wolfram Sang <wsa@the-dreams.de>,
	linux-i2c@vger.kernel.org
Subject: Re: Regression in v4.2-rc1 caused by hierarchical irqdomain changes
Date: Thu, 30 Jul 2015 12:08:49 +0800	[thread overview]
Message-ID: <55B9A351.1060702@linux.intel.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1507292245000.3825@nanos>

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

  reply	other threads:[~2015-07-30  4:08 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-27 15:21 Regression in v4.2-rc1 caused by hierarchical irqdomain changes Matt Fleming
2015-07-27 15:21 ` Matt Fleming
     [not found] ` <20150727152107.GA3571-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-07-27 16:35   ` Jiang Liu
2015-07-27 16:35     ` Jiang Liu
     [not found]     ` <55B65DD8.9020002-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-07-27 21:15       ` Matt Fleming
2015-07-27 21:15         ` Matt Fleming
     [not found]         ` <20150727211502.GA2492-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-07-29 21:03           ` Thomas Gleixner
2015-07-29 21:03             ` Thomas Gleixner
2015-07-30  4:08             ` Jiang Liu [this message]
2015-07-30  4:08               ` Jiang Liu
2015-07-30  7:51             ` [Bugfix] x86, irq: Fix regression caused by commit d32932d02e18 Jiang Liu
2015-07-30  8:33               ` Thomas Gleixner
2015-07-30  8:55                 ` Jiang Liu
2015-07-30  9:07               ` Matt Fleming
2015-07-30  9:12                 ` Jiang Liu
2015-07-30  9:46                   ` Matt Fleming
2015-07-30 19:19               ` [tip:x86/urgent] x86/irq: Use the caller provided polarity setting in mp_check_pin_attr() tip-bot for Jiang Liu

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