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Diffstat (limited to 'drivers/hv/hv_common.c')
-rw-r--r--drivers/hv/hv_common.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index 49898d10faff..e109a620c83f 100644
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -257,7 +257,7 @@ static void hv_kmsg_dump_register(void)
static inline bool hv_output_page_exists(void)
{
- return hv_root_partition() || IS_ENABLED(CONFIG_HYPERV_VTL_MODE);
+ return hv_parent_partition() || IS_ENABLED(CONFIG_HYPERV_VTL_MODE);
}
void __init hv_get_partition_id(void)
@@ -377,7 +377,7 @@ int __init hv_common_init(void)
BUG_ON(!hyperv_pcpu_output_arg);
}
- if (hv_root_partition()) {
+ if (hv_parent_partition()) {
hv_synic_eventring_tail = alloc_percpu(u8 *);
BUG_ON(!hv_synic_eventring_tail);
}
@@ -531,7 +531,7 @@ int hv_common_cpu_init(unsigned int cpu)
if (msr_vp_index > hv_max_vp_index)
hv_max_vp_index = msr_vp_index;
- if (hv_root_partition()) {
+ if (hv_parent_partition()) {
synic_eventring_tail = (u8 **)this_cpu_ptr(hv_synic_eventring_tail);
*synic_eventring_tail = kcalloc(HV_SYNIC_SINT_COUNT,
sizeof(u8), flags);
@@ -558,7 +558,7 @@ int hv_common_cpu_die(unsigned int cpu)
* originally allocated memory is reused in hv_common_cpu_init().
*/
- if (hv_root_partition()) {
+ if (hv_parent_partition()) {
synic_eventring_tail = this_cpu_ptr(hv_synic_eventring_tail);
kfree(*synic_eventring_tail);
*synic_eventring_tail = NULL;
@@ -729,13 +729,17 @@ void hv_identify_partition_type(void)
* the root partition setting if also a Confidential VM.
*/
if ((ms_hyperv.priv_high & HV_CREATE_PARTITIONS) &&
- (ms_hyperv.priv_high & HV_CPU_MANAGEMENT) &&
!(ms_hyperv.priv_high & HV_ISOLATION)) {
- pr_info("Hyper-V: running as root partition\n");
- if (IS_ENABLED(CONFIG_MSHV_ROOT))
- hv_curr_partition_type = HV_PARTITION_TYPE_ROOT;
- else
+
+ if (!IS_ENABLED(CONFIG_MSHV_ROOT)) {
pr_crit("Hyper-V: CONFIG_MSHV_ROOT not enabled!\n");
+ } else if (ms_hyperv.priv_high & HV_CPU_MANAGEMENT) {
+ pr_info("Hyper-V: running as root partition\n");
+ hv_curr_partition_type = HV_PARTITION_TYPE_ROOT;
+ } else {
+ pr_info("Hyper-V: running as L1VH partition\n");
+ hv_curr_partition_type = HV_PARTITION_TYPE_L1VH;
+ }
}
}