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From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: linuxppc-dev@ozlabs.org,
	Dave Kleikamp <shaggy@linux.vnet.ibm.com>,
	Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Subject: Re: ppc_set_hwdebug vs ptrace_set_debugreg
Date: Wed, 1 Dec 2010 10:07:58 +0530	[thread overview]
Message-ID: <20101201043758.GA2219@in.ibm.com> (raw)
In-Reply-To: <m38w0c77vs.fsf@linux-m68k.org>

On Mon, Nov 29, 2010 at 11:15:51AM +0100, Andreas Schwab wrote:
> "K.Prasad" <prasad@linux.vnet.ibm.com> writes:
> 
> > Although ppc_set_hwdebug() can set DABR through set_dabr() in
> > arch/powerpc/kernel/process.c, it is good to have it converted to use
> > register_user_hw_breakpoint().
> 
> What do you mean with "good to have"?  It doesn't work without it unless
> I disable PERF_EVENTS (which is the only way to disable
> HAVE_HW_BREAKPOINT).
> 
> Andreas.
>

Let me see if I can cook up a patch for this i.e. make set_dabr() invoke
register_user_hw_breakpoint() when CONFIG_PPC_BOOK3S is defined; before I
head out on my vacation (starting second week of this month).

Thanks,
K.Prasad
 

  reply	other threads:[~2010-12-01  4:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-27 19:36 ppc_set_hwdebug vs ptrace_set_debugreg Andreas Schwab
2010-11-29  7:22 ` K.Prasad
2010-11-29 10:15   ` Andreas Schwab
2010-12-01  4:37     ` K.Prasad [this message]
2010-12-13  8:26       ` K.Prasad
2010-12-13 19:05         ` Andreas Schwab
2010-12-14 12:54           ` K.Prasad
2010-12-14 18:59             ` Andreas Schwab
2010-12-16 17:07             ` Andreas Schwab
2011-01-02 12:54               ` K.Prasad
2011-01-02 14:58                 ` Andreas Schwab

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