Commit 7297ff0c authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 06d1d98a

arch/x86/include/asm/mshyperv.h

+2 −0
Original line number Diff line number Diff line
@@ -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

drivers/hv/hv.c

+1 −1
Original line number Diff line number Diff line
@@ -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;



	/*