From: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri, 2 May 2008 15:02:23 +0000 (+0200)
Subject: KVM: PIT: support mode 3
X-Git-Tag: v2.6.27-rc1~968^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f697554515b06e8d7264f316b25e6da943407142;p=pandora-kernel.git

KVM: PIT: support mode 3

The in-kernel PIT emulation ignores pending timers if operating
under mode 3, which for example Hurd uses.

This mode should output a square wave, high for (N+1)/2 counts and low
for (N-1)/2 counts. As we only care about the resulting interrupts, the
period is N, and mode 3 is the same as mode 2 with regard to
interrupts.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

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