To be used by KVM PTP driver. Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx> --- arch/x86/include/asm/kvmclock.h | 6 ++++++ arch/x86/kernel/kvmclock.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) v2: export kvmclock clocksource structure directly (Paolo) Index: kvm-ptpdriver/arch/x86/include/asm/kvmclock.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ kvm-ptpdriver/arch/x86/include/asm/kvmclock.h 2017-01-20 11:05:28.720038512 -0200 @@ -0,0 +1,6 @@ +#ifndef _ASM_X86_KVM_CLOCK_H +#define _ASM_X86_KVM_CLOCK_H + +extern struct clocksource kvm_clock; + +#endif /* _ASM_X86_KVM_CLOCK_H */ Index: kvm-ptpdriver/arch/x86/kernel/kvmclock.c =================================================================== --- kvm-ptpdriver.orig/arch/x86/kernel/kvmclock.c 2017-01-20 10:03:44.750489955 -0200 +++ kvm-ptpdriver/arch/x86/kernel/kvmclock.c 2017-01-20 11:05:03.137971637 -0200 @@ -28,6 +28,7 @@ #include <asm/x86_init.h> #include <asm/reboot.h> +#include <asm/kvmclock.h> static int kvmclock __ro_after_init = 1; static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME; @@ -174,7 +175,7 @@ return ret; } -static struct clocksource kvm_clock = { +struct clocksource kvm_clock = { .name = "kvm-clock", .read = kvm_clock_get_cycles, .rating = 400,