Re: [PATCH 1/2] coredump: flush the fpu exit state for propermulti-threaded core dump

[Linus Torvalds]

On Mon, May 7, 2012 at 12:07 PM, Suresh Siddha
<suresh.b.siddha@xxxxxxxxx> wrote:
>
> Fix this by explicitly flushing the fpu state in do_exit() by calling
> prepare_to_copy()

Ugh, I hate this one.

We're making the exit path more expensive for almost no gain. The FPU
state is dead in 99.9% of all cases.

Why isn't this a core-dump-only case?

                    Linus
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