From: David Howells <dhowells@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: dhowells@redhat.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Alexander Gordeev <agordeev@redhat.com>,
Chris Zankel <chris@zankel.net>, David Smith <dsmith@redhat.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Larry Woodman <lwoodman@redhat.com>,
Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/3] task_work_add: generic process-context callbacks
Date: Tue, 17 Apr 2012 14:53:59 +0100 [thread overview]
Message-ID: <26488.1334670839@redhat.com> (raw)
In-Reply-To: <20120414030507.GA27579@redhat.com>
Oleg Nesterov <oleg@redhat.com> wrote:
> tsk is always "current", probably this should be documented, I'll add
> the comment.
If tsk is always current, then don't pass it as a parameter. Some arches keep
current in a register and it's much more efficient to use current directly in
those cases - and those that don't have to be able to obtain it reasonably
quickly.
David
next prev parent reply other threads:[~2012-04-17 13:54 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-14 2:12 [PATCH v4 0/3] task_work_add (was: task_work_queue) Oleg Nesterov
2012-04-14 2:12 ` [PATCH v4 1/3] task_work_add: generic process-context callbacks Oleg Nesterov
2012-04-14 2:40 ` Linus Torvalds
2012-04-14 3:05 ` Oleg Nesterov
2012-04-17 13:53 ` David Howells [this message]
2012-04-17 16:16 ` Oleg Nesterov
2012-04-14 3:39 ` Oleg Nesterov
2012-04-14 8:00 ` Linus Torvalds
2012-04-14 20:27 ` Oleg Nesterov
2012-04-14 2:12 ` [PATCH v4 2/3] genirq: reimplement exit_irq_thread() hook via task_work_add() Oleg Nesterov
2012-04-17 14:11 ` David Howells
2012-04-17 16:29 ` Oleg Nesterov
2012-04-14 2:12 ` [PATCH v4 3/3] cred: change keyctl_session_to_parent() to use task_work_add() Oleg Nesterov
2012-04-17 14:23 ` David Howells
2012-04-17 16:36 ` Oleg Nesterov
2012-04-17 19:34 ` Oleg Nesterov
2012-04-19 16:52 ` David Howells
2012-04-19 17:34 ` Oleg Nesterov
2012-04-19 17:36 ` Oleg Nesterov
2012-04-19 17:55 ` David Howells
2012-04-19 18:10 ` Oleg Nesterov
2012-04-19 18:40 ` Oleg Nesterov
2012-04-19 19:34 ` David Howells
2012-04-19 19:47 ` Oleg Nesterov
2012-04-19 22:26 ` David Howells
2012-04-14 2:32 ` [PATCH v4 0/3] task_work_add (was: task_work_queue) Linus Torvalds
2012-04-14 3:28 ` Oleg Nesterov
2012-04-14 18:08 ` Peter Zijlstra
2012-04-14 20:17 ` Oleg Nesterov
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