Commit f4066c2b authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Paolo Bonzini
Browse files

kvmclock: export kvmclock clocksource and data pointers 



To be used by KVM PTP driver.

Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 80fbd89c

arch/x86/include/asm/kvmclock.h

0 → 100644
+6 −0
Original line number Original line Diff line number Diff line 
#ifndef _ASM_X86_KVM_CLOCK_H

#define _ASM_X86_KVM_CLOCK_H



extern struct clocksource kvm_clock;



#endif /* _ASM_X86_KVM_CLOCK_H */

arch/x86/kernel/kvmclock.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -28,6 +28,7 @@ 




#include <asm/x86_init.h>

#include <asm/x86_init.h>

#include <asm/reboot.h>

#include <asm/reboot.h>

#include <asm/kvmclock.h>





static int kvmclock __ro_after_init = 1;

static int kvmclock __ro_after_init = 1;

static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;

static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
@@ -49,6 +50,7 @@ struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void) 
{

{

	return hv_clock;

	return hv_clock;

}

}

EXPORT_SYMBOL_GPL(pvclock_pvti_cpu0_va);





/*

/*

 * The wallclock is the time of day when we booted. Since then, some time may

 * The wallclock is the time of day when we booted. Since then, some time may
@@ -174,13 +176,14 @@ bool kvm_check_and_clear_guest_paused(void) 
	return ret;

	return ret;

}

}





static struct clocksource kvm_clock = {

struct clocksource kvm_clock = {

	.name = "kvm-clock",

	.name = "kvm-clock",

	.read = kvm_clock_get_cycles,

	.read = kvm_clock_get_cycles,

	.rating = 400,

	.rating = 400,

	.mask = CLOCKSOURCE_MASK(64),

	.mask = CLOCKSOURCE_MASK(64),

	.flags = CLOCK_SOURCE_IS_CONTINUOUS,

	.flags = CLOCK_SOURCE_IS_CONTINUOUS,

};

};

EXPORT_SYMBOL_GPL(kvm_clock);





int kvm_register_clock(char *txt)

int kvm_register_clock(char *txt)

{

{