From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: hw_breakpoint: clear DBGVCR out of reset
Date: Sun, 03 Apr 2011 00:25:10 -0700 [thread overview]
Message-ID: <4D9820D6.5040502@codeaurora.org> (raw)
In-Reply-To: <1301657056-30065-1-git-send-email-will.deacon@arm.com>
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.
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
next prev parent reply other threads:[~2011-04-03 7:25 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 [this message]
2011-04-03 12:22 ` Will Deacon
2011-04-04 20:03 ` Stepan Moskovchenko
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