From: Ulrich Drepper <drepper@redhat.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: "H . J . Lu" <hjl@lucon.org>, linux-mips@oss.sgi.com
Subject: Re: thread-ready ABIs
Date: 18 Jan 2002 13:44:44 -0800 [thread overview]
Message-ID: <m3zo3b1ghf.fsf@myware.mynet> (raw)
In-Reply-To: <Pine.GSO.3.96.1020118220734.22923S-100000@delta.ds2.pg.gda.pl>
"Maciej W. Rozycki" <macro@ds2.pg.gda.pl> writes:
> Where did you get extraneous registers for the i386
> from (especially given the usual register shortage there)?
%gs
> Maybe we could use the same approach for MIPS.
I doubt it.
> Where to look for the code in glibc in a current snapshot?
%gs is used for a long time linuxthreads/sysdeps/386/useldt.h
> One possible approach is to reserve GOT entries for thread registers.
> While not as fast as CPU's registers, if frequently accessed they would
> stick in the cache. Since the ABI mandates the code to keep a pointer to
> the GOT in the gp register, accesses to got entries need only a single
> instruction. I haven't thought on it much -- someone might have a better
> idea.
How would you have different values for different threads? It would
mean having multiple GOTs which is a resource waste and a nightmare in
resource management.
--
---------------. ,-. 1325 Chesapeake Terrace
Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA
Red Hat `--' drepper at redhat.com `------------------------
next prev parent reply other threads:[~2002-01-18 22:44 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <m3elkoa5dw.fsf@myware.mynet>
2002-01-18 18:19 ` thread-ready ABIs H . J . Lu
2002-01-18 18:31 ` Ulrich Drepper
2002-01-18 19:08 ` H . J . Lu
2002-01-18 19:20 ` Ulrich Drepper
2002-01-19 12:14 ` Dominic Sweetman
2002-01-19 12:14 ` Dominic Sweetman
2002-01-20 0:14 ` Ralf Baechle
2002-01-18 20:03 ` Maciej W. Rozycki
2002-01-18 20:20 ` Ulrich Drepper
2002-01-18 20:50 ` Maciej W. Rozycki
2002-01-18 21:02 ` Ulrich Drepper
2002-01-18 21:35 ` Maciej W. Rozycki
2002-01-18 21:44 ` Ulrich Drepper [this message]
2002-01-18 22:17 ` Maciej W. Rozycki
2002-01-18 21:23 ` Daniel Jacobowitz
2002-01-19 0:35 ` Kevin D. Kissell
2002-01-19 0:35 ` Kevin D. Kissell
2002-01-19 4:11 ` H . J . Lu
2002-01-19 12:27 ` Dominic Sweetman
2002-01-19 19:42 ` H . J . Lu
2002-01-21 13:27 ` Maciej W. Rozycki
2002-01-19 22:21 ` Kevin D. Kissell
2002-01-19 22:21 ` Kevin D. Kissell
2002-01-20 10:38 ` Machida Hiroyuki
2002-01-20 11:58 ` Kevin D. Kissell
2002-01-20 11:58 ` Kevin D. Kissell
2002-01-20 13:16 ` Machida Hiroyuki
2002-01-22 6:27 ` patches for test-and-set without ll/sc (Re: thread-ready ABIs) Machida Hiroyuki
2002-01-22 6:37 ` Ulrich Drepper
2002-01-22 6:46 ` Machida Hiroyuki
2002-01-22 6:56 ` Ulrich Drepper
2002-01-24 9:56 ` Andreas Jaeger
2002-01-24 9:56 ` Andreas Jaeger
2002-01-20 19:19 ` thread-ready ABIs H . J . Lu
2002-01-21 9:39 ` Kevin D. Kissell
2002-01-21 9:39 ` Kevin D. Kissell
2002-01-21 13:56 ` Maciej W. Rozycki
2002-01-21 18:24 ` H . J . Lu
2002-01-21 18:36 ` Ulrich Drepper
2002-01-21 18:52 ` H . J . Lu
2002-01-21 18:58 ` H . J . Lu
2002-01-21 18:59 ` Daniel Jacobowitz
2002-01-21 19:05 ` H . J . Lu
2002-01-21 19:09 ` Daniel Jacobowitz
2002-01-21 19:18 ` H . J . Lu
2002-01-21 21:04 ` Kevin D. Kissell
2002-01-21 21:04 ` Kevin D. Kissell
2002-01-21 19:30 ` Geoff Keating
2002-01-21 21:07 ` Ulrich Drepper
2002-01-21 13:43 ` Maciej W. Rozycki
2002-01-20 0:24 ` Ralf Baechle
2002-01-21 23:22 ` Ulrich Drepper
2002-01-21 23:57 ` Kevin D. Kissell
2002-01-21 23:57 ` Kevin D. Kissell
2002-01-22 0:16 ` Ulrich Drepper
2002-01-22 0:16 ` Ulrich Drepper
2002-01-22 9:37 ` Dominic Sweetman
2002-01-22 9:37 ` Dominic Sweetman
2002-01-22 17:41 ` Ulrich Drepper
2002-01-22 17:41 ` Ulrich Drepper
2002-01-22 9:59 ` Dominic Sweetman
2002-01-22 9:59 ` Dominic Sweetman
2002-01-22 12:18 ` Kevin D. Kissell
2002-01-22 12:18 ` Kevin D. Kissell
2002-01-22 15:21 ` Daniel Jacobowitz
2002-01-22 15:44 ` Dominic Sweetman
2002-01-22 21:44 ` Tommy S. Christensen
2002-01-22 21:53 ` Kevin D. Kissell
2002-01-22 21:53 ` Kevin D. Kissell
2002-01-22 23:13 ` Kevin D. Kissell
2002-01-22 23:13 ` Kevin D. Kissell
2002-01-23 1:12 ` Jason Gunthorpe
2002-01-22 16:05 ` Kevin D. Kissell
2002-01-22 16:05 ` Kevin D. Kissell
2002-01-22 16:34 ` Daniel Jacobowitz
2002-01-22 17:08 ` Kevin D. Kissell
2002-01-22 17:08 ` Kevin D. Kissell
2002-01-22 17:13 ` Daniel Jacobowitz
2002-01-22 17:34 ` Kevin D. Kissell
2002-01-22 17:34 ` Kevin D. Kissell
2002-01-22 17:37 ` Daniel Jacobowitz
2002-01-22 17:47 ` Kevin D. Kissell
2002-01-22 17:47 ` Kevin D. Kissell
2002-01-22 17:57 ` Daniel Jacobowitz
2002-01-22 18:18 ` Kevin D. Kissell
2002-01-22 18:18 ` Kevin D. Kissell
2002-01-27 20:24 ` Alan Cox
2002-01-27 20:24 ` Alan Cox
2002-01-28 8:50 ` Kevin D. Kissell
2002-01-28 8:50 ` Kevin D. Kissell
2002-01-22 1:39 ` Richard Henderson
2002-01-18 21:24 Justin Carlson
2002-01-18 21:31 ` Ulrich Drepper
2002-01-18 21:42 ` Maciej W. Rozycki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m3zo3b1ghf.fsf@myware.mynet \
--to=drepper@redhat.com \
--cc=hjl@lucon.org \
--cc=linux-mips@oss.sgi.com \
--cc=macro@ds2.pg.gda.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.