From: Scott Long <scott@swiftview.com>
To: linux-kernel@vger.kernel.org
Subject: wake_up vs. wake_up_sync
Date: Wed, 27 Jun 2001 13:18:43 -0700 [thread overview]
Message-ID: <3B3A3FA3.B482B78B@swiftview.com> (raw)
I'm having trouble understanding the difference between these.
Synchronous apparently causes try_to_wake_up() to NOT call
reschedule_idle() but I'm uncertain what reschedule_idle() is doing. I
assume it just looks for an idle CPU and makes that CPU reschedule.
What is the purpose of wake_up_sync? Why would you want to prevent
reschedule_idle()?
Scott
next reply other threads:[~2001-06-27 20:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-27 20:18 Scott Long [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-06-27 21:22 wake_up vs. wake_up_sync Manfred Spraul
2001-06-27 21:38 ` Mike Kravetz
2001-06-27 22:41 ` Manfred Spraul
2001-06-27 21:57 ` Scott Long
2001-06-27 22:40 ` Mike Kravetz
2001-06-28 2:54 Hubertus Franke
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