Re: oprofile BUG() in current kernel.

[Andrew Morton]

On Tue, 13 May 2008 12:25:26 +0200 Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:

> Current module loader only allocates percpu room by examining 
> ".data.percpu" section and should be augmented to also look at 
> ".data.percpu.shared_aligned"
> Or, change DEFINE_PER_CPU_SHARED_ALIGNED() for modules (to use 
> ".data.percpu" only)

Well that's a little landmine.  Seems that this was the first attempt to
use DEFINE_PER_CPU_SHARED_ALIGNED from within a module.

> Anyway, with the per_cpu conversion of cpu_buffer, we dont need to 
> request cache_line alignment anymore
>
> [PATCH] oprofile: Dont request cache line alignment for cpu_buffer

Thanks.  Silly me for looking at the nearly-one-year-old
DEFINE_PER_CPU_SHARED_ALIGNED and assuming that it worked :(


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