From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc: Fix 460EX/460GT machine check handling
Date: Wed, 12 Nov 2008 22:50:44 +1100 [thread overview]
Message-ID: <1226490644.7154.14.camel@pasglop> (raw)
In-Reply-To: <20081112062737.19a01a22@zod.rchland.ibm.com>
On Wed, 2008-11-12 at 06:27 -0500, Josh Boyer wrote:
> On Wed, 12 Nov 2008 13:02:43 +1100
> Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
>
> > Those cores use the 440A type machine check (ie, they have
> > MCSRR0/MCSRR1). They thus need to call the appropriate fixup
> > function to hook the right variant of the exception.
> >
> > Without this, all machine checks become fatal due to loss
> > of context when entering the exception handler.
>
> Looks fine to me. However, what machine checks were you getting that
> caused you to see this that aren't fatal anyway?
PCI aborts from userspace when toying with video card POSTing &
x86emu :-)
Cheers,
Ben.
prev parent reply other threads:[~2008-11-12 11:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-12 2:02 [PATCH] powerpc: Fix 460EX/460GT machine check handling Benjamin Herrenschmidt
2008-11-12 11:27 ` Josh Boyer
2008-11-12 11:50 ` Benjamin Herrenschmidt [this message]
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