From: Parag Warudkar <kernel-stuff@comcast.net>
To: Roland McGrath <roland@redhat.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
"David S. Miller" <davem@davemloft.net>,
akpm@osdl.org, mtk-lkml@gmx.net, linux-kernel@vger.kernel.org,
michael.kerrisk@gmx.net
Subject: Re: waitid() fails with EINVAL for SA_RESTART signals
Date: Thu, 26 May 2005 20:03:28 -0400 [thread overview]
Message-ID: <200505262003.29228.kernel-stuff@comcast.net> (raw)
In-Reply-To: <200505262322.j4QNMnd9011168@magilla.sf.frob.com>
On Thursday 26 May 2005 19:22, Roland McGrath wrote:
> > x86 has largely tried to move in that direction too, ie a lot of the
> > asm-calls have been turned into FASTCALL() with %eax pointing to the
> > stack.
> >
> > Roland, I applied the patch, but if there was some particular case that
> > triggered this, maybe it's worth trying to re-write that one.
>
> It's a danger for any system call. Here it was sys_waitid.
On X86_64 the given program fails with Operation Not Supported error on
waitid() - both 32bit and 64bit modes. The problem seems to be WCONTINUED -
is it unimplemented on X86_64?
next prev parent reply other threads:[~2005-05-27 0:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-18 8:20 waitid() fails with EINVAL for SA_RESTART signals Michael Kerrisk
2005-05-26 21:17 ` Roland McGrath
2005-05-26 22:21 ` [PATCH] i386: fix prevent_tail_call Roland McGrath
2005-05-26 22:22 ` waitid() fails with EINVAL for SA_RESTART signals Roland McGrath
2005-05-26 22:37 ` David S. Miller
2005-05-26 23:19 ` Linus Torvalds
2005-05-26 23:22 ` Roland McGrath
2005-05-27 0:03 ` Parag Warudkar [this message]
2005-05-27 0:11 ` Roland McGrath
2005-05-27 0:37 ` Parag Warudkar
2005-05-27 1:05 ` Parag Warudkar
2005-05-27 2:01 ` Parag Warudkar
2005-05-30 16:55 ` Michael Kerrisk
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