Re: TLS, was Re: Getting the ol' Macintosh LC475 modernized
On Thu, 22 Aug 2013, Finn Thain wrote:
> Losing a register also hurts performance. Someone suggested moving
> get/set_thread_area to a VDSO (as well as the atomic ops). As I understand
> it, this need not break the ABI and should be faster than the TLS system
> calls.
The vDSO support has been there in glibc ever since the NPTL port was
first added. I've no idea why the kernel changes still haven't gone in.
--
Joseph S. Myers
joseph@codesourcery.com
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