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Re: [PATCH v3 2/2] powerpc32: fix check_io_access()

Started byScott Wood <oss@buserror.net>
First post2016-07-09 09:20 +0200
Last post2016-07-09 09:20 +0200
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  Re: [PATCH v3 2/2] powerpc32: fix check_io_access() Scott Wood <oss@buserror.net> - 2016-07-09 09:20 +0200

#1439903 — Re: [PATCH v3 2/2] powerpc32: fix check_io_access()

FromScott Wood <oss@buserror.net>
Date2016-07-09 09:20 +0200
SubjectRe: [PATCH v3 2/2] powerpc32: fix check_io_access()
Message-ID<rSUIp-89P-3@gated-at.bofh.it>
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

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