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From: Hollis Blanchard <hollisb@us.ibm.com>
To: linuxppc-dev@ozlabs.org
Subject: Re: Fix small race in 44x tlbie function
Date: Wed, 8 Aug 2007 20:43:25 +0000 (UTC)	[thread overview]
Message-ID: <f9d9td$nov$1@sea.gmane.org> (raw)
In-Reply-To: 20070807042050.GJ13522@localhost.localdomain

On Tue, 07 Aug 2007 14:20:50 +1000, David Gibson wrote:
> 
> This patch fixes the problem in both arch/ppc and arch/powerpc by
> inhibiting interrupts (even critical and debug interrupts) across the
> relevant instructions.

How could a critical or debug interrupt modify the contents of MMUCR?

-- 
Hollis Blanchard
IBM Linux Technology Center

  parent reply	other threads:[~2007-08-08 20:43 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-07  4:20 Fix small race in 44x tlbie function David Gibson
2007-08-08 14:49 ` Josh Boyer
2007-08-08 15:20 ` Kumar Gala
2007-08-08 16:00   ` Josh Boyer
2007-08-09  5:28     ` Kumar Gala
2007-08-09  5:34       ` David Gibson
2007-08-09  6:35         ` Kumar Gala
2007-08-09  7:01           ` Benjamin Herrenschmidt
2007-08-09 12:04       ` Josh Boyer
2007-08-09 13:05         ` Benjamin Herrenschmidt
2007-08-09 13:26           ` Josh Boyer
2007-08-08 20:43 ` Hollis Blanchard [this message]
2007-08-08 21:29   ` Josh Boyer
2007-08-08 22:11     ` Hollis Blanchard
2007-08-08 23:30       ` Benjamin Herrenschmidt
2007-08-08 23:41       ` Josh Boyer
2007-08-08 23:01     ` Benjamin Herrenschmidt
2007-08-09  0:06       ` Josh Boyer
  -- strict thread matches above, loose matches on Subject: below --
2007-08-08 15:34 Volkmar Uhlig

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