From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
Alexandre Julliard <julliard@winehq.org>,
"H . Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Prasad <prasad@linux.vnet.ibm.com>,
"2 . 6 . 33 . x 2 . 6 . 34 . x" <stable@kernel.org>
Subject: Re: [GIT PULL] x86 breakpoint regression fix
Date: Wed, 30 Jun 2010 23:23:07 +0100 (BST) [thread overview]
Message-ID: <alpine.LFD.2.00.1006302315420.13070@eddie.linux-mips.org> (raw)
In-Reply-To: <20100630190405.GB5243@nowhere>
On Wed, 30 Jun 2010, Frederic Weisbecker wrote:
> Right, in fact it was quite easy to find any documentation about it, it's
> just officially undocumented.
I think it's simply not a part of the architecture. IOW they are free to
remove it at any time, though most likely it will be kept forever. It's
not like rocket science or whatever else to be kept hidden -- "everybody"
knows this instruction (myself for at least 15 years). That's stuff like
FFREEP, etc. ;)
Maciej
next prev parent reply other threads:[~2010-06-30 22:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-30 14:02 Frederic Weisbecker
2010-06-30 14:18 ` Frederic Weisbecker
2010-06-30 18:43 ` Ingo Molnar
2010-06-30 14:40 ` Maciej W. Rozycki
2010-06-30 19:04 ` Frederic Weisbecker
2010-06-30 22:23 ` Maciej W. Rozycki [this message]
2010-06-30 20:11 ` [PATCH -stable 2.6.33.x] x86: Send a SIGTRAP for user icebp traps Frederic Weisbecker
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=alpine.LFD.2.00.1006302315420.13070@eddie.linux-mips.org \
--to=macro@linux-mips.org \
--cc=fweisbec@gmail.com \
--cc=hpa@zytor.com \
--cc=julliard@winehq.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=prasad@linux.vnet.ibm.com \
--cc=stable@kernel.org \
--cc=tglx@linutronix.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®