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SubjectRe: [PATCH 0/2] jump label: 2.6.38 updates
* H. Peter Anvin (hpa@zytor.com) wrote:
> On 02/14/2011 02:20 PM, Steven Rostedt wrote:
> >
> > Ideally, we would like a single atomic_read() but due to these wacky
> > archs, it may not be possible.
> >
>
> #ifdef ARCH_ATOMIC_READ_SUCKS_EGGS?
>
> -hpa

lol :)

Hrm, I wonder if it might cause problems with combinations of "cmpxchg"
and "read" performed on a variable (without using atomic.h).

Mathieu

>
>
> --
> H. Peter Anvin, Intel Open Source Technology Center
> I work for Intel. I don't speak on their behalf.
>

--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com


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