Subject: Re: CVS commit: src/sys/arch/xen/xen
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Jason Thorpe <thorpej@shagadelic.org>
List: port-i386
Date: 03/26/2005 17:06:26
On Mar 26, 2005, at 3:56 PM, Manuel Bouyer wrote:
> BTW, shouldn't the bus_space functions have such barriers too ?
> The esiop(4) scheduler could be affected by this, for example.
>
In the case of the bus_space functions, they have the appropriate
clobbers for the compiler's benefit. Not sure how x86 handles insn
reordering as it relates to memory operations.
-- thorpej