Re: [PATCH 4/5] x86: entry_64.S: always allocate complete "struct pt_regs"

From: Borislav Petkov
Date: Mon Aug 04 2014 - 17:23:29 EST


On Tue, Aug 05, 2014 at 06:03:24AM +0900, Andy Lutomirski wrote:
> (It's too bad that there's no unlocked xchg; this could be faster if
> we had one.

There is - just put both operands in registers. :-)

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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