diff options
| -rw-r--r-- | arch/x86/hyperv/hv_init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 4fb7c7bb164e..24f4a06ac46a 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -169,7 +169,6 @@ void set_hv_tscchange_cb(void (*cb)(void)) struct hv_reenlightenment_control re_ctrl = { .vector = HYPERV_REENLIGHTENMENT_VECTOR, .enabled = 1, - .target_vp = hv_vp_index[smp_processor_id()] }; struct hv_tsc_emulation_control emu_ctrl = {.enabled = 1}; @@ -183,8 +182,12 @@ void set_hv_tscchange_cb(void (*cb)(void)) /* Make sure callback is registered before we write to MSRs */ wmb(); + re_ctrl.target_vp = hv_vp_index[get_cpu()]; + wrmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl)); wrmsrl(HV_X64_MSR_TSC_EMULATION_CONTROL, *((u64 *)&emu_ctrl)); + + put_cpu(); } EXPORT_SYMBOL_GPL(set_hv_tscchange_cb); |