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From: Linus Torvalds <torvalds@osdl.org>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Janak Desai <janak@us.ibm.com>, Andrew Morton <akpm@osdl.org>,
	ebiederm@xmission.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	viro@ftp.linux.org.uk, hch@lst.de, mtk-manpages@gmx.net,
	ak@muc.de, paulus@samba.org, Ulrich Drepper <drepper@redhat.com>
Subject: Re: [PATCH] for 2.6.16, disable unshare_vm()
Date: Sat, 18 Mar 2006 10:10:34 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0603181007020.3826@g5.osdl.org> (raw)
In-Reply-To: <441C4636.15F57F6@tv-sign.ru>



On Sat, 18 Mar 2006, Oleg Nesterov wrote:
>
> sys_unshare() does mmput(new_mm). This is not enough
> if we have mm->core_waiters. This patch is a temporary
> fix for soon to be released 2.6.16.

Yes. Quick raising of hands: is there anybody out there that expects to 
use unshare(CLONE_VM) right now? One of the reasons it was integrated was 
that I thought glibc wanted it for distros. Is disabling the CLONE_VM 
unsharing going to impact that?

		Linus

  reply	other threads:[~2006-03-18 18:11 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-16 16:49 [PATCH] unshare: Cleanup up the sys_unshare interface before we are committed Eric W. Biederman
2006-03-16 17:31 ` [PATCH] unshare: Use rcu_assign_pointer when setting sighand Eric W. Biederman
2006-03-17  6:48   ` Paul E. McKenney
2006-03-17 17:44   ` Oleg Nesterov
2006-03-17 20:56     ` Andrew Morton
2006-03-18 13:12       ` Oleg Nesterov
2006-03-18 15:43         ` Janak Desai
2006-03-18 17:24           ` Oleg Nesterov
2006-03-18 17:41             ` [PATCH] for 2.6.16, disable unshare_vm() Oleg Nesterov
2006-03-18 18:10               ` Linus Torvalds [this message]
2006-03-18 18:29                 ` Ulrich Drepper
2006-03-18 18:48                 ` Janak Desai
2016-03-14 13:15             ` unshare(CLONE_VM) Re: [PATCH] unshare: Use rcu_assign_pointer when setting sighand Julian Smith
2016-03-14 18:35               ` Linus Torvalds
2006-03-18 13:13       ` [PATCH] implement unshare(CLONE_SIGHAND) for single-thread case Oleg Nesterov
2006-03-18 15:10       ` [PATCH] unshare: Error if passed unsupported flags Eric W. Biederman
2006-03-18 15:33         ` Janak Desai
2006-03-18 16:29       ` [PATCH] unshare: Use rcu_assign_pointer when setting sighand Janak Desai
2006-03-16 19:40 ` [PATCH] unshare: Cleanup up the sys_unshare interface before we are committed Michael Kerrisk
2006-03-16 20:33 ` Andrew Morton
2006-03-16 20:41   ` Linus Torvalds
2006-03-16 21:58     ` Eric W. Biederman
2006-03-16 22:19       ` Andrew Morton
2006-03-16 21:36   ` Janak Desai

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