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-rw-r--r--arch/x86/include/asm/mshyperv.h2
-rw-r--r--drivers/hv/hv.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 1ea19a57cf4c..2d40bfc57e7a 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -149,6 +149,8 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
#define hv_get_synic_state(val) rdmsrl(HV_X64_MSR_SCONTROL, val)
#define hv_set_synic_state(val) wrmsrl(HV_X64_MSR_SCONTROL, val)
+#define hv_get_vp_index(index) rdmsrl(HV_X64_MSR_VP_INDEX, index)
+
void hyperv_callback_vector(void);
#ifdef CONFIG_TRACING
#define trace_hyperv_callback_vector hyperv_callback_vector
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 7cb036d4b243..945719026223 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -306,7 +306,7 @@ int hv_synic_init(unsigned int cpu)
* of cpuid and Linux' notion of cpuid.
* This array will be indexed using Linux cpuid.
*/
- rdmsrl(HV_X64_MSR_VP_INDEX, vp_index);
+ hv_get_vp_index(vp_index);
hv_context.vp_index[cpu] = (u32)vp_index;
/*