From: Frederic Weisbecker <fweisbec@gmail.com>
To: Jason Wessel <jason.wessel@windriver.com>
Cc: linux-kernel@vger.kernel.org,
kgdb-bugreport@lists.sourceforge.net, mingo@elte.hu,
"K.Prasad" <prasad@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to use hw_breakpointAPI
Date: Thu, 28 Jan 2010 21:17:47 +0100 [thread overview]
Message-ID: <20100128201745.GE18683@nowhere> (raw)
In-Reply-To: <4B61EC62.6030103@windriver.com>
On Thu, Jan 28, 2010 at 01:58:26PM -0600, Jason Wessel wrote:
> New version which loses the call back registration, because if we
> register as a different breakpoint type, perf won't reject it.
I don't understand what you mean here.
> I didn't
> see that loop hole in the API the first time around.
>
> Also the dr7 fixup in hw_breakpoint.c is not needed.
>
> The trickery for entering twice into the __kgdb_notify is gone too.
>
> All the regression tests are still passing.
Ok. Well, let's go for it, as it's a regression that
needs to be fixed anyway.
But we'll need to sanitize various things after that :)
next prev parent reply other threads:[~2010-01-28 20:17 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-26 4:26 [PATCH 0/4] kgdb regression fixes for 2.6.33 Jason Wessel
2010-01-26 4:26 ` [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to use hw_breakpoint API Jason Wessel
2010-01-28 17:10 ` Frederic Weisbecker
2010-01-28 17:44 ` [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to use hw_breakpointAPI Jason Wessel
2010-01-28 19:58 ` Jason Wessel
2010-01-28 20:17 ` Frederic Weisbecker [this message]
2010-01-28 20:23 ` [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to usehw_breakpointAPI Jason Wessel
2010-01-28 21:54 ` Frederic Weisbecker
2010-01-28 20:04 ` [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to use hw_breakpointAPI Frederic Weisbecker
2010-01-28 20:27 ` [PATCH 1/4] x86,hw_breakpoint,kgdb: kgdb to usehw_breakpointAPI Jason Wessel
2010-01-28 21:50 ` Frederic Weisbecker
2010-01-26 4:26 ` [PATCH 2/4] perf,hw_breakpoint: add lockless reservation for hw_breaks Jason Wessel
2010-01-26 19:25 ` Jason Wessel
2010-01-27 17:56 ` Frederic Weisbecker
2010-01-27 22:29 ` [PATCH 2/4] perf,hw_breakpoint: add lockless reservation forhw_breaks Jason Wessel
2010-01-26 4:26 ` [PATCH 3/4] kgdb,clocksource: Prevent kernel hang in kernel debugger Jason Wessel
2010-01-26 4:37 ` Andrew Morton
2010-01-26 8:22 ` Martin Schwidefsky
2010-01-26 8:50 ` Thomas Gleixner
2010-01-26 10:01 ` Dongdong Deng
2010-01-26 10:19 ` Xiaotian Feng
2010-01-26 10:37 ` Thomas Gleixner
2010-01-26 11:16 ` Thomas Gleixner
2010-01-26 8:45 ` Thomas Gleixner
2010-01-26 10:43 ` Thomas Gleixner
2010-01-26 14:09 ` [tip:timers/urgent] clocksource: Prevent potential kgdb dead lock tip-bot for Thomas Gleixner
2010-01-26 20:14 ` Andrew Morton
2010-01-26 20:46 ` Jason Wessel
2010-01-26 4:26 ` [PATCH 4/4] softlockup: add sched_clock_tick() to avoid kernel warning on kgdb resume Jason Wessel
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