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Re: [Xen-ia64-devel] PATCH [resend]: more case handled in mmio.c

To: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>, "Alex Williamson" <alex.williamson@xxxxxx>
Subject: Re: [Xen-ia64-devel] PATCH [resend]: more case handled in mmio.c
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Fri, 21 Apr 2006 09:53:14 +0200
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Le Vendredi 21 Avril 2006 09:45, Xu, Anthony a écrit :
> One more comment.
>         /* Write high word.
>                 FIXME: this is a kludge!  */
>              v.u.bits[1] &= 0x3ffff;
> This seems not be necessary.
> v is got by stf.spill,
> stf.spill makes sure the high 47 bits of v.u.bits[1] is 0.
Yes, this is correct.
In fact the comment is not correctly placed: the kludge is to do two 
mmio_access.

Thanks,
Tristan.



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