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-rw-r--r--arch/x86/include/asm/mshyperv.h3
-rw-r--r--drivers/hv/hv.c8
2 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 1e75141bc123..2ea7e16fc678 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -143,6 +143,9 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
#define hv_get_simp(val) rdmsrl(HV_X64_MSR_SIMP, val)
#define hv_set_simp(val) wrmsrl(HV_X64_MSR_SIMP, val)
+#define hv_get_siefp(val) rdmsrl(HV_X64_MSR_SIEFP, val)
+#define hv_set_siefp(val) wrmsrl(HV_X64_MSR_SIEFP, val)
+
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 04ad97749884..5680aeed585c 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -276,12 +276,12 @@ int hv_synic_init(unsigned int cpu)
hv_set_simp(simp.as_uint64);
/* Setup the Synic's event page */
- rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
+ hv_get_siefp(siefp.as_uint64);
siefp.siefp_enabled = 1;
siefp.base_siefp_gpa = virt_to_phys(hv_context.synic_event_page[cpu])
>> PAGE_SHIFT;
- wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
+ hv_set_siefp(siefp.as_uint64);
/* Setup the shared SINT. */
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
@@ -398,11 +398,11 @@ int hv_synic_cleanup(unsigned int cpu)
hv_set_simp(simp.as_uint64);
- rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
+ hv_get_siefp(siefp.as_uint64);
siefp.siefp_enabled = 0;
siefp.base_siefp_gpa = 0;
- wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
+ hv_set_siefp(siefp.as_uint64);
/* Disable the global synic bit */
rdmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);