From: Linus Torvalds <torvalds@osdl.org>
To: Christoph Lameter <christoph@lameter.com>
Cc: Pavel Machek <pavel@ucw.cz>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
raybry@engr.sgi.com
Subject: Re: [RFC] Fix SMP brokenness for PF_FREEZE and make freezing usable for other purposes
Date: Sun, 26 Jun 2005 21:24:06 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.58.0506262121070.19755@ppc970.osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.62.0506261928010.1679@graphe.net>
On Sun, 26 Jun 2005, Christoph Lameter wrote:
>
> 3. I wish there would be a better way to handle the PF_FREEZE. Its like a
> signal delivery after all. Is there any way to define an in kernel signal?
> Or a way to make a process execute a certain bit of code?
It's called "work", and we have the "TIF_xxx" flags for it. That's how
"need-resched" and "sigpending" are done. There could be a
"TIF_FREEZEPENDING" thing there too..
Linus
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next prev parent reply other threads:[~2005-06-27 4:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-24 20:20 Christoph Lameter
2005-06-24 22:25 ` Nigel Cunningham
2005-06-25 2:51 ` Pavel Machek
2005-06-25 4:31 ` Christoph Lameter
2005-06-25 4:46 ` Nigel Cunningham
2005-06-25 22:37 ` Pavel Machek
2005-06-25 6:13 ` Christoph Lameter
2005-06-26 2:30 ` Pavel Machek
2005-06-26 2:55 ` Christoph Lameter
2005-06-26 3:09 ` Pavel Machek
2005-06-27 3:51 ` Christoph Lameter
2005-06-27 4:21 ` Pavel Machek
2005-06-27 4:24 ` Linus Torvalds [this message]
2005-06-27 5:53 ` Christoph Lameter
2005-06-27 14:13 ` Pavel Machek
2005-06-27 15:13 ` Christoph Lameter
2005-06-28 6:18 ` Kirill Korotaev
2005-06-28 7:01 ` Christoph Lameter
2005-06-28 7:30 ` Kirill Korotaev
2005-06-28 8:13 ` Kirill Korotaev
2005-06-28 14:02 ` Christoph Lameter
2005-06-28 14:01 ` Christoph Lameter
2005-06-28 12:47 ` Pavel Machek
2005-07-01 17:06 ` [SUSPEND 1/2]Replace PF_FREEZE with TIF_FREEZE Christoph Lameter
2005-07-01 17:14 ` [SUSPEND 2/2] Replace PF_FROZEN with TASK_FROZEN Christoph Lameter
2005-06-28 21:50 ` [RFC] Fix SMP brokenness for PF_FREEZE and make freezing usable for other purposes Ray Bryant
2005-06-28 21:54 ` Christoph Lameter
2005-07-03 11:06 ` Pavel Machek
2005-06-26 10:54 ` Nigel Cunningham
2005-06-25 6:18 ` Christoph Lameter
2005-06-25 7:35 ` Kirill Korotaev
2005-06-27 7:06 ` Ray Bryant
2005-06-27 13:17 ` Pavel Machek
2005-06-27 14:59 ` Ray Bryant
2005-06-27 18:05 ` Pavel Machek
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