From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] ARM: hw_breakpoint: fix monitor mode detection with v7.1
Date: Wed, 24 Oct 2012 15:53:34 -0700 [thread overview]
Message-ID: <5088716E.3060802@codeaurora.org> (raw)
In-Reply-To: <1350487901-3108-3-git-send-email-will.deacon@arm.com>
On 10/17/12 08:31, Will Deacon wrote:
> Detecting whether halting debug is enabled is no longer possible via
> the DBGDSCR in v7.1, returning an UNKNOWN value for the HDBGen bit via
> CP14 when the OS lock is clear.
>
> This patch removes the halting mode check and ensures that accesses to
> the internal and external views of the DBGDSCR are serialised with an
> instruction barrier.
>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Tested-by: Stephen Boyd <sboyd@codeaurora.org>
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next prev parent reply other threads:[~2012-10-24 22:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-17 15:31 [PATCH 0/7] ARM: hw_breakpoint: fix reset sequence for debug arch v7.1 Will Deacon
2012-10-17 15:31 ` [PATCH 1/7] ARM: hw_breakpoint: only clear OS lock when implemented on v7 Will Deacon
2012-10-24 22:53 ` Stephen Boyd
2012-10-25 14:49 ` Will Deacon
2012-10-17 15:31 ` [PATCH 2/7] ARM: hw_breakpoint: fix monitor mode detection with v7.1 Will Deacon
2012-10-24 22:53 ` Stephen Boyd [this message]
2012-10-17 15:31 ` [PATCH 3/7] ARM: hw_breakpoint: fix ordering of debug register reset sequence Will Deacon
2012-10-24 22:53 ` Stephen Boyd
2012-10-17 15:31 ` [PATCH 4/7] ARM: hw_breakpoint: don't try to clear v6 debug registers during boot Will Deacon
2012-10-24 22:53 ` Stephen Boyd
2012-10-17 15:31 ` [PATCH 5/7] ARM: hw_breakpoint: make boot quieter without CPUID feature registers Will Deacon
2012-10-24 22:53 ` Stephen Boyd
2012-10-17 15:31 ` [PATCH 6/7] ARM: hw_breakpoint: check if monitor mode is enabled during validation Will Deacon
2012-10-17 15:31 ` [PATCH 7/7] ARM: hw_breakpoint: use CRn as argument for debug reg accessor macros Will Deacon
2012-10-24 22:54 ` Stephen Boyd
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