Re: [Qemu-devel] [PATCH] tcg: Remove stack protection from helper functions

[Mulyadi Santosa]

Hi...

On Mon, Sep 26, 2011 at 14:46, Jan Kiszka <address@hidden> wrote:
> This increases the overhead of frequently executed helpers.
>
> Signed-off-by: Jan Kiszka <address@hidden>

IMHO, stack protector setup put more stuffs during epilogue, but quite
likely it is negligible unless it cause too much L1 cache misses. So,
I think this micro tuning is somewhat unnecessary but still okay.
Security wise, I think it's better to just leave it as is like now.

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

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