From: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
To be used by KVM PTP driver.
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
(cherry picked from commit f4066c2bc4d0de4e5dcbff21dae41e89fe8f38c0)
Signed-off-by: Juerg Haefliger <juerg.haefliger@xxxxxxxxxxxxx>
---
arch/x86/include/asm/kvmclock.h | 6 ++++++
arch/x86/kernel/kvmclock.c | 4 +++-
2 files changed, 9 insertions(+), 1 deletion(-)
create mode 100644 arch/x86/include/asm/kvmclock.h
diff --git a/arch/x86/include/asm/kvmclock.h b/arch/x86/include/asm/kvmclock.h
new file mode 100644
index 000000000000..f260bef63591
--- /dev/null
+++ b/arch/x86/include/asm/kvmclock.h
@@ -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 */
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index a2de9bc7ac0b..321c2acf0025 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -27,6 +27,7 @@
#include <asm/x86_init.h>
#include <asm/reboot.h>
+#include <asm/kvmclock.h>
static int kvmclock = 1;
static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
@@ -146,13 +147,14 @@ bool kvm_check_and_clear_guest_paused(void)
return ret;
}
-static struct clocksource kvm_clock = {
+struct clocksource kvm_clock = {
.name = "kvm-clock",
.read = kvm_clock_get_cycles,
.rating = 400,
.mask = CLOCKSOURCE_MASK(64),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
+EXPORT_SYMBOL_GPL(kvm_clock);
int kvm_register_clock(char *txt)
{
--
2.14.1