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
next prev parent 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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