Re: [PATCH] net: fix race in the receive/select

[Zan Lynx]

Andi Kleen wrote:
> At least on x86 I can't see how it happens. mb() is only a compile
> time barrier and the compiler doesn't optimize over indirect callbacks
> like __pollwait() anyways.

Just a note about this. That used to be true, that GCC didn't optimize 
indirect calls. However, see -findirect-inlining in GCC 4.4.

I am not saying that it applies here, but it is something to remember.

--
Zan Lynx
zlynx@xxxxxxx

"Knowledge is Power.  Power Corrupts.  Study Hard.  Be Evil."
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