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From: Scott Wood <oss@buserror.net>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3 2/2] powerpc32: fix check_io_access()
Date: Sat, 09 Jul 2016 02:13:02 -0500	[thread overview]
Message-ID: <1468048382.32358.81.camel@buserror.net> (raw)
In-Reply-To: <3257f244fea7785aa1791d3ac68922692bffc3c3.1463486314.git.christophe.leroy@c-s.fr>

On Tue, 2016-05-17 at 14:01 +0200, Christophe Leroy wrote:
> On processors like the 8xx, the machine check exception can also
> happen directly on the load/store instruction itself, so that case
> needs to be handled as well
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---

What machine checks are happening that this is handling?  Is there still 8xx
code that probes for registers that might not be there?

-Scott

      reply	other threads:[~2016-07-09  7:13 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-17 12:01 [PATCH v3 2/2] powerpc32: fix check_io_access() Christophe Leroy
2016-07-09  7:13 ` Scott Wood [this message]

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