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SubjectRe: [PATCH] Immunize rcu_dereference() against crazy compiler writers
On Wed, 2007-07-11 at 18:00 -0700, Paul E. McKenney wrote:
> Turns out that compiler writers are a bit more aggressive about optimizing
> than one might expect. This patch prevents a number of such optimizations
> from messing up rcu_deference(). This is not merely a theoretical
> problem, as evidenced by the rmb() in mce_log().
> Signed-off-by: Paul E. McKenney <>
Acked-by: Josh Triplett <>

- Josh Triplett

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