Re: [Xen-devel] RFC: 32 bits as smallest atomic size.

["Ronald G. Minnich" <rminnich@xxxxxxxx>]

On Sun, 27 Mar 2005, Keir Fraser wrote:

> Already the field offset comments are broken in a few places in unstable, so
> perhaps this is a better way to go.

it's an idea.  A few years ago I wrote drivers for SCI and had a mixed 
linux/alpha freebsd/pentium cluster. It's a little tricky to get everyone 
happily addressing each other's memories across that boundary, but I did 
it by making all struct fields unsigned long long and letting the 
compilers do the right thing. I didn't use a single __attribute__ 
directive, but at the same time, these fairly different machines with 
different OSes had shared memory. I still don't see why xen can not do the 
same.

ron


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