From: Luca Barbieri <ldb@ldb.ods.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux-Kernel ML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Set TIF_IRET in more places
Date: Mon, 6 Jan 2003 21:26:54 +0100 [thread overview]
Message-ID: <20030106202654.GA8379@ldb> (raw)
In-Reply-To: <Pine.LNX.4.44.0301061046180.13284-100000@penguin.transmeta.com>
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> vfork and clone do not work at all with sysenter due to user stack issues.
I actually meant CLONE_VFORK, that if used without CLONE_VM can go
through sysenter (if CLONE_VFORK is not used TIF_NEED_RESCHED is set
so there is no problem).
I also think that vfork() could be used with AT_SYSINFO by switching
stacks around the call (with care about recursive vfork and signals
calling vfork inside the vfork stack).
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next prev parent reply other threads:[~2003-01-06 20:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-06 14:46 [PATCH] Set TIF_IRET in more places Luca Barbieri
2003-01-06 16:04 ` Linus Torvalds
2003-01-06 18:17 ` Luca Barbieri
2003-01-06 18:42 ` Ulrich Drepper
2003-01-06 18:49 ` Linus Torvalds
2003-01-06 20:26 ` Luca Barbieri [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-06 21:34 Zack Weinberg
2003-01-07 11:19 ` Jamie Lokier
2003-01-07 17:42 ` Linus Torvalds
2003-01-07 19:27 ` Zack Weinberg
2003-01-08 1:21 ` Richard Henderson
2003-01-08 2:33 ` Linus Torvalds
2003-01-08 3:32 ` Daniel Jacobowitz
2003-01-08 16:29 ` Jamie Lokier
2003-01-09 6:49 ` Zack Weinberg
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