From: "David S. Miller" <davem@davemloft.net>
To: roland@redhat.com
Cc: akpm@osdl.org, torvalds@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 15:37:13 -0700 (PDT) [thread overview]
Message-ID: <20050526.153713.95060123.davem@davemloft.net> (raw)
In-Reply-To: <200505262222.j4QMMHWe010741@magilla.sf.frob.com>
From: Roland McGrath <roland@redhat.com>
Date: Thu, 26 May 2005 15:22:17 -0700
> Other machines are subject to the same risk and should have a
> prevent_tail_call definition too. The asm-i386/linkage.h version probably
> works fine for every machine. It might as well be generic, I'd say.
Sparc, for one, doesn't need it. We pass the pt_regs in via a pointer
to the trap level stack frame which won't be released by a tail-call
in C code.
next prev parent reply other threads:[~2005-05-26 22:42 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 [this message]
2005-05-26 23:19 ` Linus Torvalds
2005-05-26 23:22 ` Roland McGrath
2005-05-27 0:03 ` Parag Warudkar
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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