Re: TLS, was Re: Getting the ol' Macintosh LC475 modernized
On Thu, Aug 22, 2013 at 1:44 PM, Joseph S. Myers
<joseph@codesourcery.com> wrote:
> 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.
I didn't know that. Seems to be recent work, cfr.
https://github.com/Xilinx/glibc/blob/master/ports/ChangeLog.m68k ?
Where can I find the kernel changes?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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