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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F840BDC.5060307@freescale.com \
--to=b32955@freescale.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.