Re: [PATCH 12/29] x86, tsx: Add a per thread transaction disablecount

[Andi Kleen]

> 
> This surely can be a bitfield like the other two below. It is basically
> begging to be one.

Bit fields are slower and larger in code and unlike the others this is on hot
paths.

-Andi
-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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