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Diffstat (limited to 'arch/x86/hyperv/hv_vtl.c')
-rw-r--r--arch/x86/hyperv/hv_vtl.c44
1 files changed, 6 insertions, 38 deletions
diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c
index d04ccd4b3b4af..2510e91b29b08 100644
--- a/arch/x86/hyperv/hv_vtl.c
+++ b/arch/x86/hyperv/hv_vtl.c
@@ -175,41 +175,9 @@ free_lock:
return ret;
}
-static int hv_vtl_apicid_to_vp_id(u32 apic_id)
-{
- u64 control;
- u64 status;
- unsigned long irq_flags;
- struct hv_get_vp_from_apic_id_in *input;
- u32 *output, ret;
-
- local_irq_save(irq_flags);
-
- input = *this_cpu_ptr(hyperv_pcpu_input_arg);
- memset(input, 0, sizeof(*input));
- input->partition_id = HV_PARTITION_ID_SELF;
- input->apic_ids[0] = apic_id;
-
- output = (u32 *)input;
-
- control = HV_HYPERCALL_REP_COMP_1 | HVCALL_GET_VP_ID_FROM_APIC_ID;
- status = hv_do_hypercall(control, input, output);
- ret = output[0];
-
- local_irq_restore(irq_flags);
-
- if (!hv_result_success(status)) {
- pr_err("failed to get vp id from apic id %d, status %#llx\n",
- apic_id, status);
- return -EINVAL;
- }
-
- return ret;
-}
-
static int hv_vtl_wakeup_secondary_cpu(u32 apicid, unsigned long start_eip)
{
- int vp_id, cpu;
+ int vp_index, cpu;
/* Find the logical CPU for the APIC ID */
for_each_present_cpu(cpu) {
@@ -220,18 +188,18 @@ static int hv_vtl_wakeup_secondary_cpu(u32 apicid, unsigned long start_eip)
return -EINVAL;
pr_debug("Bringing up CPU with APIC ID %d in VTL2...\n", apicid);
- vp_id = hv_vtl_apicid_to_vp_id(apicid);
+ vp_index = hv_apicid_to_vp_index(apicid);
- if (vp_id < 0) {
+ if (vp_index < 0) {
pr_err("Couldn't find CPU with APIC ID %d\n", apicid);
return -EINVAL;
}
- if (vp_id > ms_hyperv.max_vp_index) {
- pr_err("Invalid CPU id %d for APIC ID %d\n", vp_id, apicid);
+ if (vp_index > ms_hyperv.max_vp_index) {
+ pr_err("Invalid CPU id %d for APIC ID %d\n", vp_index, apicid);
return -EINVAL;
}
- return hv_vtl_bringup_vcpu(vp_id, cpu, start_eip);
+ return hv_vtl_bringup_vcpu(vp_index, cpu, start_eip);
}
int __init hv_vtl_early_init(void)