From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@suse.de>, Zachary Amsden <zach@vmware.com>,
Chuck Ebbert <76306.1226@compuserve.com>
Subject: Re: Why set ORIG_EAX(%esp) to -1 in arch/i386/kernel/entry.S:error_code?
Date: Tue, 29 Aug 2006 15:29:58 -0700 [thread overview]
Message-ID: <44F4BFE6.9090202@goop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0608291455120.27779@g5.osdl.org>
Linus Torvalds wrote:
> No. It's important that ORIG_EAX be set to some value that is _not_ a
> valid system call number, so that the system call restart logic (see the
> signal handling code) doesn't trigger.
>
Ah, yes, I see. I'll add a comment in my i386-pda patch to entry.S.
J
prev parent reply other threads:[~2006-08-29 22:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-29 19:03 Why set ORIG_EAX(%esp) to -1 in arch/i386/kernel/entry.S:error_code? Jeremy Fitzhardinge
2006-08-29 21:55 ` Linus Torvalds
2006-08-29 22:29 ` Jeremy Fitzhardinge [this message]
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=44F4BFE6.9090202@goop.org \
--to=jeremy@goop.org \
--cc=76306.1226@compuserve.com \
--cc=ak@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@osdl.org \
--cc=zach@vmware.com \
/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