From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Wed, 8 Apr 2009 16:14:19 +0000 (-0300)
Subject: KVM: PIT: fix count read and mode 0 handling
X-Git-Tag: v2.6.31-rc1~393^2~76
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ede2ccc51742059d356d419260460cbbf3e36273;p=pandora-kernel.git

KVM: PIT: fix count read and mode 0 handling

Commit 46ee278652f4cbd51013471b64c7897ba9bcd1b1 causes Solaris 10
to hang on boot.

Assuming that PIT counter reads should return 0 for an expired timer
is wrong: when it is active, the counter never stops (see comment on
__kpit_elapsed).

Also arm a one shot timer for mode 0.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

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