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From: "Will Deacon" <will.deacon@arm.com>
To: "'karthikeyan.s'" <informkarthik@gmail.com>,
	  "Matthew Gretton-Dann" <Matthew.Gretton-Dann@arm.com>
Cc: <gdb@sourceware.org>
Subject: RE: [HELP]Can GDB for ARM set hard breakpoint when native debugging?
Date: Thu, 03 Jun 2010 11:54:00 -0000	[thread overview]
Message-ID: <001401cb0313$70fcd1b0$52f67510$@deacon@arm.com> (raw)
In-Reply-To: <AANLkTimkDkrZdBqyJhYsAzSfAXf4gHKiGSBM_yN41Ykf@mail.gmail.com>

Hi Karthik,

> Just in case you are going to re-use most of the code for 2.6.35.
> In hw_breakpoint.c, the handlers do not release the locks on wtpt/bkpt
> not matched.
> Should rather be:
>  if (val != (unpredictable & ~0x3)) {
>     rcu_read_unlock();
>     continue;
> }
> 
> Otherwise I get a "schedule while atomic" bug.

Well spotted! My current tree is a little different, but I've
updated it as necessary.

Thanks,

Will



  reply	other threads:[~2010-06-03 11:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-01 15:06 karthikeyan.s
2010-06-01 15:18 ` Matthew Gretton-Dann
2010-06-03 11:39   ` karthikeyan.s
2010-06-03 11:54     ` Will Deacon [this message]
     [not found]     ` <-3629479195726626766@unknownmsgid>
2010-06-10 14:40       ` karthikeyan.s
2010-06-10 15:03         ` Will Deacon
     [not found]         ` <-2775908164685299161@unknownmsgid>
2010-06-13 13:00           ` karthikeyan.s
  -- strict thread matches above, loose matches on Subject: below --
2010-05-28  6:00 xingxing pan
2010-05-28  6:22 ` xingxing pan
2010-05-28  9:28 ` Matthew Gretton-Dann
     [not found]   ` <113ACA888B71994BB56E5CF3704953486BAA6A18D8@BGMAIL02.nvidia.com>
2010-06-01  9:06     ` Will Deacon
2010-05-28 11:20 ` Simon Richter

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