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From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: hw_breakpoint: clear DBGVCR out of reset
Date: Sun, 03 Apr 2011 13:22:54 +0100	[thread overview]
Message-ID: <1301833374.5022.9.camel@jazzbox> (raw)
In-Reply-To: <4D9820D6.5040502@codeaurora.org>

Hi Stephen,

On Sun, 2011-04-03 at 08:25 +0100, Stephen Boyd wrote:
> On 4/1/2011 4:24 AM, Will Deacon wrote:
> > The DBGVCR, used for configuring vector catch debug events, is UNKNOWN
> > out of reset on ARMv7. When enabling monitor mode, this must be zeroed
> > to avoid UNPREDICTABLE behaviour.
> >
> > This patch adds the zeroing code to the debug reset path.
> >
> > Reported-by: Stepan Moskovchenko <stepanm@codeaurora.org>
> > Signed-off-by: Will Deacon <will.deacon@arm.com>
> 
> Please Cc stable as this fix should go to the 37 and 38 stable trees.

Will do. If you could please confirm that it fixes the problems reported
initially then that would be great.

Thanks,

Will

  reply	other threads:[~2011-04-03 12:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-01 11:24 [PATCH] ARM: hw_breakpoint: clear DBGVCR out of reset Will Deacon
2011-04-03  7:25 ` Stephen Boyd
2011-04-03 12:22   ` Will Deacon [this message]
2011-04-04 20:03     ` Stepan Moskovchenko

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