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]
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