Re: [PATCH] lockdep fix incorrect percpu usage

[Peter Zijlstra]

On Mon, 2010-03-29 at 23:34 -0400, Mathieu Desnoyers wrote:
> Should use per_cpu_ptr() to obfuscate the per cpu pointers (RELOC_HIDE is needed
> for per cpu pointers).
> 
> git blame points to commit:
> 
> lockdep.c: commit 8e18257d29238311e82085152741f0c3aa18b74d
> 
> But it's really just moving the code around. But it's enough to say that the
> problems appeared before Jul 19 01:48:54 2007, which brings us back to 2.6.23.
> 
> So it should be applied to stable 2.6.23.x to 2.6.33.x (or whichever of these
> stable branches are still maintained) and to mainline 2.6.34-rc2.

well, definately not to mainline, since that code is utterly busted in
mainline due to recent per-cpu changes.
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