From: Jan Kiszka <jan.kiszka@siemens.com>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: Xenomai <xenomai@xenomai.org>
Subject: Re: [Xenomai] ipipe/x86: do not restore during context switch
Date: Wed, 06 Feb 2013 18:03:32 +0100 [thread overview]
Message-ID: <51128CE4.4020303@siemens.com> (raw)
Gilles,
do you remember if this core-3.4 change was a performance optimization
or a necessary fix? Also, I'm not yet understanding why we need all the
#ifdefs except for the first one which forces fpu.preload to 0.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
next reply other threads:[~2013-02-06 17:03 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 17:03 Jan Kiszka [this message]
2013-02-06 17:09 ` [Xenomai] ipipe/x86: do not restore during context switch Gilles Chanteperdrix
2013-02-06 17:33 ` Jan Kiszka
2013-02-06 17:35 ` Gilles Chanteperdrix
2013-02-06 17:40 ` Jan Kiszka
2013-02-06 17:44 ` Gilles Chanteperdrix
2013-02-06 17:47 ` Jan Kiszka
2013-02-06 17:51 ` Gilles Chanteperdrix
2013-02-06 18:26 ` Jan Kiszka
2013-02-06 18:31 ` Gilles Chanteperdrix
2013-02-06 18:35 ` Jan Kiszka
2013-02-06 18:40 ` Gilles Chanteperdrix
2013-02-06 19:22 ` Jan Kiszka
2013-02-06 19:30 ` Gilles Chanteperdrix
2013-02-06 19:55 ` Jan Kiszka
2013-02-06 20:03 ` Gilles Chanteperdrix
2013-02-06 20:17 ` Jan Kiszka
2013-02-06 20:20 ` Gilles Chanteperdrix
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=51128CE4.4020303@siemens.com \
--to=jan.kiszka@siemens.com \
--cc=gilles.chanteperdrix@xenomai.org \
--cc=xenomai@xenomai.org \
/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.