From: Dave Jones <davej@redhat.com>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Chris Wedgwood <cw@f00f.org>, dragoran <dragoran@feuerpokemon.de>,
linux-kernel@vger.kernel.org
Subject: Re: IA32 syscall 311 not implemented on x86_64
Date: Sun, 21 May 2006 14:50:00 -0400 [thread overview]
Message-ID: <20060521185000.GB8250@redhat.com> (raw)
In-Reply-To: <a36005b50605211135v2d55827fr96360d9a025b9db8@mail.gmail.com>
On Sun, May 21, 2006 at 11:35:12AM -0700, Ulrich Drepper wrote:
> On 5/21/06, Dave Jones <davej@redhat.com> wrote:
> >It's a glibc problem really.
>
> It's not a glibc problem really. The problem is this stupid error
> message in the kernel. We rely in many dozens of places on the kernel
> returning ENOSYS in case a syscall is not implemented and we deal with
> it appropriately. There is absolutely no justification to print these
> messages except perhaps in debug kernels. IMO the sys32_ni_syscall
> functions should just return ENOSYS unless you select a special debug
> kernel. One doesn't need the kernel to detect missing syscall
> implementations, strace can do this as well.
You make a good point. In fact, given it's unthrottled, someone
with too much time on their hands could easily fill up a /var
just by calling unimplemented syscalls this way.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-05-21 18:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-21 8:35 IA32 syscall 311 not implemented on x86_64 dragoran
2006-05-21 8:50 ` Chris Wedgwood
2006-05-21 9:06 ` dragoran
2006-05-21 9:11 ` Chris Wedgwood
2006-05-21 9:26 ` dragoran
2006-05-21 9:54 ` dragoran
2006-05-21 16:03 ` Dave Jones
2006-05-21 18:35 ` Ulrich Drepper
2006-05-21 18:50 ` Dave Jones [this message]
2006-05-21 18:56 ` Dave Jones
2006-05-21 19:38 ` Adrian Bunk
2006-05-21 19:47 ` Dave Jones
2006-05-22 0:17 ` [2.6 patch] x86_64: don't printk for unimplemented 32bit syscalls Adrian Bunk
2006-05-21 22:19 ` IA32 syscall 311 not implemented on x86_64 Andi Kleen
2006-05-21 22:28 ` Dave Jones
2006-05-21 22:37 ` Andi Kleen
2006-05-21 23:48 ` Dave Jones
2006-05-21 23:51 ` Chris Wedgwood
2006-05-22 5:59 ` dragoran
2006-05-22 12:41 ` Dave Jones
2006-05-23 14:30 ` Denis Vlasenko
2006-05-21 23:09 ` Andrew Morton
2006-05-21 19:35 ` Chris Wedgwood
2006-05-21 19:38 ` Dave Jones
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=20060521185000.GB8250@redhat.com \
--to=davej@redhat.com \
--cc=cw@f00f.org \
--cc=dragoran@feuerpokemon.de \
--cc=drepper@gmail.com \
--cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox