From: b32955@freescale.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: Bug in v7_coherent_kern_range() ?
Date: Tue, 10 Apr 2012 18:30:52 +0800 [thread overview]
Message-ID: <4F840BDC.5060307@freescale.com> (raw)
In-Reply-To: <20120410092214.GA2620@mudshark.cambridge.arm.com>
Hi will:
> On Fri, Apr 06, 2012 at 04:35:09AM +0100, Huang Shijie wrote:
>>> http://lists.arm.linux.org.uk/lurker/message/20111107.173344.f738392e.en.html
>> I tested this patch. It fixed this bug. This bug did not occur any more.
>> But my system still hung at futex. I think the futex issue is another
>> bug.(will this patch affect the futex?)
> If you're on an SMP system, can you check that you have df77abca ("ARM:
> 7099/1: futex: preserve oldval in SMP __futex_atomic_op") applied?
>
already applied.
thanks.
The futex codes (/kernel/futex.c and arch/arm/include/asm/futex.h) are
the latest.
I guess there is a bug in the futex code in SMP system.
Best Regards
Huang Shijie
>> So :
>> Tested-by: Huang Shijie<b32955@freescale.com>
> Ok, thanks. It looks that has briefly revived the discussion over there at
> least.
>
> Will
>
next prev parent reply other threads:[~2012-04-10 10:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-01 3:21 Bug in v7_coherent_kern_range() ? Huang Shijie
2012-04-01 6:10 ` Dirk Behme
2012-04-01 7:09 ` Huang Shijie
2012-04-01 8:01 ` Dirk Behme
2012-04-01 8:16 ` Huang Shijie
2012-04-01 8:50 ` Dirk Behme
2012-04-01 9:14 ` Huang Shijie
2012-04-01 8:57 ` Dirk Behme
2012-04-01 9:19 ` Huang Shijie
2012-04-01 9:19 ` Huang Shijie
2012-04-02 11:12 ` Will Deacon
2012-04-06 3:35 ` Huang Shijie
2012-04-10 9:22 ` Will Deacon
2012-04-10 10:30 ` Huang Shijie [this message]
2012-04-10 10:35 ` Will Deacon
[not found] ` <4F854992.9080601@freescale.com>
2012-04-11 10:24 ` Will Deacon
2012-04-11 11:02 ` Fabio Estevam
2012-04-16 5:48 ` Huang Shijie
2012-05-10 2:51 ` Huang Shijie
2012-05-10 8:38 ` Will Deacon
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