From: Andrea Arcangeli <andrea@suse.de>
To: Pavel Machek <pavel@suse.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>
Subject: Re: kernel_thread bogosity
Date: Fri, 24 Nov 2000 01:48:30 +0100 [thread overview]
Message-ID: <20001124014830.I1461@athlon.random> (raw)
In-Reply-To: <20001123232333.A6426@bug.ucw.cz>
In-Reply-To: <20001123232333.A6426@bug.ucw.cz>; from pavel@suse.cz on Thu, Nov 23, 2000 at 11:23:33PM +0100
On Thu, Nov 23, 2000 at 11:23:33PM +0100, Pavel Machek wrote:
> Hi!
>
> You see? Kernel_thread does not check is sys_clone() worked! Aha,
"=&a" (retval)
> caller is responsible for that, but init/main.c does not seem too
> carefull. Maybe kernel_thread should at least print a warning?
If clone fails during start_kernel that's the last of your problems so nobody
cared. If you want to add a check on the retval go ahead, that's right indeed.
> Plus, can someone explain me why it does not need to setup %%ecx with
> either zero or address of stack?
Not necessary because a kernel thread never exit from kernel.
Andrea
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next prev parent reply other threads:[~2000-11-24 1:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-23 22:23 kernel_thread bogosity Pavel Machek
2000-11-24 0:48 ` Andrea Arcangeli [this message]
2000-11-24 19:52 ` Pavel Machek
2000-11-26 16:26 ` Andrea Arcangeli
2000-11-26 22:29 ` Pavel Machek
2000-11-26 23:38 ` Andrea Arcangeli
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