Subject: Re: CVS commit: src/sys/arch/xen/xen
To: Manuel Bouyer <>
From: Jason Thorpe <>
List: source-changes
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