Re: [block IO crash] Re: 2.6.39-rc5-git2 boot crashs

[Linus Torvalds]

On Wed, May 4, 2011 at 8:28 AM, Christoph Lameter <cl@xxxxxxxxx> wrote:
>
> There are no memory barriers used. The barrier() here is a compiler hint
> to not keep data across it.

Go back and read my email, please.

The lack of memory barriers is exactly what I worry about.

Look at the initialization path. The "tid" thing is _not_ purely cpu-local.

                      Linus
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