[Xen-devel] backport several s3 patches to xen3.3

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

Keir, could you help backport recent set of s3 patches to xen3.3 as
bug fixes? Guanqun has verified all of them cleanly applied/working,
and thus we just ask for your help. :-)
----
changeset:   18786:85fda344dba7
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Tue Nov 18 15:39:31 2008 +0000
files:       xen/arch/x86/time.c
description:
x86, time: Clean up platform timer initialisation.

Signed-off-by: Guanqun Lu <guanqun.lu@xxxxxxxxx>
Signed-off-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
----
changeset:   18787:ed8524f4a044
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Tue Nov 18 15:55:14 2008 +0000
files:       xen/arch/x86/hpet.c xen/arch/x86/time.c
description:
x86: Re-initialise HPET on resume from S3

Signed-off-by: Guanqun Lu <guanqun.lu@xxxxxxxxx>
Signed-off-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
----
changeset:   18789:9958ef441af0
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Wed Nov 19 12:40:23 2008 +0000
files:       xen/arch/x86/time.c
description:
x86: Fix the clocksource= boot parameter after c/s 18786.

Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
----
changeset:   18790:876bffced2b8
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Wed Nov 19 12:48:31 2008 +0000
files:       xen/arch/x86/acpi/power.c xen/arch/x86/hpet.c xen/include/asm-x86/a
cpi.h
description:
x86, hpet: Avoud double initialisation on boot or after S3.

Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
----
changeset:   18793:4c67985c552e
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Wed Nov 19 13:17:31 2008 +0000
files:       xen/arch/x86/time.c
description:
x86, s3: Sync platform stamps at time suspend.

platform_timer_stamp and stime_platform_stamp are synced
to platform timer in time calibration (1s interval), and
thus doesn't reflect the latest value. If they're not
synced at time suspend, the offset can be lost after S3
resume. Average 0.8s lag-behind is observed for each S3
action, which accumulates to TOD inaccuracy.

Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx>
----
changeset:   18796:98d48f7680db
tag:         tip
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Wed Nov 19 19:13:22 2008 +0000
files:       xen/arch/x86/time.c
description:
x86: Fix build for some versions of gcc.

Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>

Thanks,
Kevin
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