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    SubjectRe: [PATCH 0/2] jump label: 2.6.38 updates
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    From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
    Date: Mon, 14 Feb 2011 17:29:58 -0500

    > * 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).

    We do that everywhere, it has to work.


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