On Thu, Aug 22, 2013 at 1:44 PM, Joseph S. Myers
<joseph@xxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx
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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