Marcelo Tosatti b74f05d61b x86: kvmclock: abstract save/restore sched_clock_state ... Upon resume from hibernation, CPU 0's hvclock area contains the old values for system_time and tsc_timestamp. It is necessary for the hypervisor to update these values with uptodate ones before the CPU uses them. Abstract TSC's save/restore sched_clock_state functions and use restore_state to write to KVM_SYSTEM_TIME MSR, forcing an update. Also move restore_sched_clock_state before __restore_processor_state, since the later calls CONFIG_LOCK_STAT's lockstat_clock (also for TSC). Thanks to Igor Mammedov for tracking it down. Fixes suspend-to-disk with kvmclock. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>		2012-03-20 12:37:45 +02:00
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cpu.c	x86: kvmclock: abstract save/restore sched_clock_state	2012-03-20 12:37:45 +02:00
hibernate_32.c
hibernate_64.c
hibernate_asm_32.S
hibernate_asm_64.S
Makefile