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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

  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

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