From: tytso@mit.edu
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>, Salman <sqazi@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
peterz@infradead.org, akpm@inux-foundation.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
tytso@google.com, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] Fix a race in pid generation that causes pids to be reused immediately.
Date: Wed, 9 Jun 2010 13:47:44 -0400 [thread overview]
Message-ID: <20100609174744.GG6162@thunk.org> (raw)
In-Reply-To: <alpine.LFD.2.00.1006091041540.4506@i5.linux-foundation.org>
On Wed, Jun 09, 2010 at 10:43:33AM -0700, Linus Torvalds wrote:
>
> We need that bitmap to handle the overflow max_pid case. We are _not_
> returning just increasing pid numbers.
Doh! I knew I was forgetting something obvious. I was hoping we
could get rid of the bitmap entirely, but I guess not....
(Unless users would stand for 64-bit pid numbers... no? Dang. :-)
- Ted
next prev parent reply other threads:[~2010-06-09 17:47 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 6:24 [PATCH] Fix a race in pid generation that causes pids to be reused immediately Salman
2010-06-09 6:53 ` Andi Kleen
2010-06-09 9:48 ` Ingo Molnar
2010-06-09 15:39 ` Linus Torvalds
2010-06-09 15:50 ` tytso
2010-06-09 16:06 ` Linus Torvalds
2010-06-09 17:10 ` tytso
2010-06-09 17:23 ` Linus Torvalds
2010-06-09 17:25 ` Linus Torvalds
2010-06-09 17:34 ` tytso
2010-06-09 17:43 ` Linus Torvalds
2010-06-09 17:47 ` tytso [this message]
2010-06-09 18:09 ` Salman Qazi
2010-06-09 11:49 ` Michel Lespinasse
2010-06-09 12:37 ` tytso
2010-06-09 12:17 ` tytso
-- strict thread matches above, loose matches on Subject: below --
2010-06-09 21:00 Salman
2010-06-09 21:21 ` Linus Torvalds
2010-06-09 21:33 ` Peter Zijlstra
2010-06-09 22:20 ` Linus Torvalds
2010-06-09 22:27 ` Linus Torvalds
2010-06-10 0:08 ` Salman Qazi
2010-06-10 0:20 ` Linus Torvalds
[not found] ` <AANLkTilXJ0X2qxD9cNTlLayKzySEZu1HEZUWu--Go8kw@mail.gmail.com>
2010-06-10 5:55 ` Salman Qazi
2010-06-10 16:39 ` Linus Torvalds
2010-06-10 20:09 Salman
2010-06-10 20:38 ` tytso
2010-06-10 21:04 ` Salman Qazi
2010-06-10 21:24 Salman
2010-06-11 17:17 Salman
2010-06-11 17:44 ` Linus Torvalds
2010-06-11 22:49 ` Salman
2010-06-11 23:07 ` Linus Torvalds
2010-06-14 23:58 ` Andrew Morton
2010-06-15 0:56 ` tytso
2010-06-15 1:55 ` Andrew Morton
2010-06-15 3:26 ` Paul Mackerras
2010-06-15 4:21 ` Andrew Morton
2010-06-15 4:38 ` Eric Dumazet
2010-06-15 6:57 ` Benjamin Herrenschmidt
2010-06-15 7:25 ` Paul Mackerras
2010-06-15 12:56 ` tytso
2010-06-15 13:06 ` Kyle McMartin
2010-06-15 14:35 ` Peter Zijlstra
2010-06-15 19:37 ` Andrew Morton
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