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On Wednesday, April 06, 2011 10:52:06 Christopher Friedt wrote:
> TLS works on certain hardware (e.g. with hardware supported tls, like
> armv7a), but not on all architectures, like in GNU [1], [2]. It's
> probably better to blanket-disable this for now via a portage profile
> variable.
any arch can do TLS. it's more a matter of defining the toolchain/C
library/kernel interfaces. the hardware only enters the picture in terms of
just how hard it actually is to make TLS work.
e.g. i386 could do TLS if people cared, but no one has bothered because i486
provides a few new atomic insns that makes the implementation a hell of a lot
simpler. so if no one actually cares about making it work on i386 procs, then
no one bothers.
-mike
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