linux-kernel - Timer Selection

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Message-ID: <a2ebde260609100337xda27723geae84190d90293c1@mail.gmail.com>
Date:	Sun, 10 Sep 2006 18:37:12 +0800
From:	"Dong Feng" <middle.fengdong@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Timer Selection

In i386 architecture, there are five timers as candidates in the
selection of "cur_timer." I feel among the five only two types can be
used as Kernel base timer, HPET and PIT. Kernel base timer is the
timer trigger timer_interrupt() periodically. Namely, the timer
installed on IRQ 0 in i386 architecture.

Is the above understanding correct? Particularly I want to confirm
which timers can be used as Kernel base timer.

Thanks.

Feng,Dong
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