diff options
-rw-r--r-- | arch/x86/include/asm/mshyperv.h | 3 | ||||
-rw-r--r-- | drivers/hv/vmbus_drv.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 406da8d159e3..4d82ad347b75 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -97,6 +97,9 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type) #define hv_set_synint_state(int_num, val) \ wrmsrl(HV_X64_MSR_SINT0 + int_num, val) +#define hv_get_crash_ctl(val) \ + rdmsrl(HV_X64_MSR_CRASH_CTL, val) + void hyperv_callback_vector(void); void hyperv_reenlightenment_vector(void); #ifdef CONFIG_TRACING diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 5e946b1be54c..db145e1a7049 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1146,7 +1146,7 @@ static int vmbus_bus_init(void) * Register for panic kmsg callback only if the right * capability is supported by the hypervisor. */ - rdmsrl(HV_X64_MSR_CRASH_CTL, hyperv_crash_ctl); + hv_get_crash_ctl(hyperv_crash_ctl); if (hyperv_crash_ctl & HV_CRASH_CTL_CRASH_NOTIFY_MSG) { hv_panic_page = (void *)get_zeroed_page(GFP_KERNEL); if (hv_panic_page) { |