From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Valentine Barshak <vbarshak@ru.mvista.com>
Cc: linuxppc-dev@ozlabs.org, sr@denx.de
Subject: Re: [RFC] [PATCH] PowerPC: Workaround for the 440EP(x)/GR(x) processors identical PVR issue.
Date: Fri, 26 Oct 2007 21:25:23 +1000 [thread overview]
Message-ID: <1193397923.13638.5.camel@pasglop> (raw)
In-Reply-To: <4721C9E9.10208@ru.mvista.com>
On Fri, 2007-10-26 at 15:05 +0400, Valentine Barshak wrote:
>
> It's not enough. We need to enable APU instruction broadcast for
> EP(x)
> (call __init_fpu_44x in arch/powerpc/kernel/cpu_setup_44x.S).
> Or do you suggest to or-in FPU feature bit and enable APUIB later,
> not
> in the cpu_setup callback?
It can be done at any time before the feature fixup. However, on 32
bits, iirc, the fixup happens very early so it might not be that easy...
just asking :-) Your patch is allright, we can always find a better way
to do it later on.
Ben.
next prev parent reply other threads:[~2007-10-26 11:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 18:16 [RFC] [PATCH] PowerPC: Workaround for the 440EP(x)/GR(x) processors identical PVR issue Valentine Barshak
2007-10-25 20:44 ` Benjamin Herrenschmidt
2007-10-26 11:05 ` Valentine Barshak
2007-10-26 11:25 ` Benjamin Herrenschmidt [this message]
2007-10-26 13:16 ` Valentine Barshak
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