diff options
| author | K. Y. Srinivasan <kys@microsoft.com> | 2017-01-19 11:51:57 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-20 14:52:48 +0100 |
| commit | 7297ff0ca9db7e2d830841035b95d8b94b529142 (patch) | |
| tree | da73c22e337d06e906c74374a9c63f7b987adb29 | |
| parent | 06d1d98a839f196e94cb726008fb2118e430f356 (diff) | |
Drivers: hv: vmbus: Define an API to retrieve virtual processor index
As part of cleaning up architecture specific code, define an API
to retrieve the virtual procesor index.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 2 | ||||
| -rw-r--r-- | drivers/hv/hv.c | 2 |
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; /* |