Re: [GIT PULL] SLAB changes for v2.6.39-rc1

[Christoph Lameter]

On Thu, 24 Mar 2011, Ingo Molnar wrote:

> > How does alternative_io() work? Does it require
> > alternative_instructions() to be executed. If so, the fallback code
> > won't be active when we enter kmem_cache_init(). Is there any reason
> > check_bugs() is called so late during boot? Can we do something like
> > the totally untested attached patch?
>
> Does the config i sent you boot on your box? I think the bug is pretty generic
> and should trigger on any box.

The bug should only trigger on old AMD64 boxes that do not support
cmpxchg16b.


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