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
next prev parent reply other threads:[~2015-07-30 4:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 15:21 Matt Fleming
2015-07-27 16:35 ` Jiang Liu
2015-07-27 21:15 ` Matt Fleming
2015-07-29 21:03 ` Thomas Gleixner
2015-07-30 4:08 ` Jiang Liu [this message]
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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