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From: Daniel Phillips <phillips@arcor.de>
To: davidm@hpl.hp.com, David Mosberger <davidm@napali.hpl.hp.com>,
       "David S. Miller" <davem@redhat.com>
Subject: Re: DAC960 in 2.5.38, with new changes
Date: Mon, 23 Sep 2002 23:31:13 +0200
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On Monday 23 September 2002 23:24, David Mosberger wrote:
> >>>>> On Mon, 23 Sep 2002 13:57:08 -0700 (PDT), "David S. Miller" <davem@redhat.com> said:
> 
>   >> On many platforms, two consequetive __raw_writel()'s might even
>   >> combine to an atomic 64-bit store to PCI space. :-)
> 
> Yes, but that's no guarantee.
> 
>   >> I don't think the proposed 32-bit behavior is off the mark, and
>   >> anyways x86 can actually make the 64-bit store I believe if it
>   >> wants at least on more recent processors.
> 
> Surely we wouldn't want to define a new API that can't be supported on
> all 32-bit platforms, no?  Perhaps writeq_nonatomic()?

Why attempt to write 8 bytes on ia32 when only 4 are needed?

-- 
Daniel
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