diff options
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/hv.c | 18 | ||||
| -rw-r--r-- | drivers/hv/hv_balloon.c | 6 | ||||
| -rw-r--r-- | drivers/hv/hv_common.c | 9 | ||||
| -rw-r--r-- | drivers/hv/hv_util.c | 4 | ||||
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 2 |
5 files changed, 21 insertions, 18 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 4d6480d57546..8b0dd8e5244d 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -147,7 +147,7 @@ int hv_synic_alloc(void) * Synic message and event pages are allocated by paravisor. * Skip these pages allocation here. */ - if (!hv_isolation_type_snp()) { + if (!hv_isolation_type_snp() && !hv_root_partition) { hv_cpu->synic_message_page = (void *)get_zeroed_page(GFP_ATOMIC); if (hv_cpu->synic_message_page == NULL) { @@ -216,7 +216,7 @@ void hv_synic_enable_regs(unsigned int cpu) simp.as_uint64 = hv_get_register(HV_REGISTER_SIMP); simp.simp_enabled = 1; - if (hv_isolation_type_snp()) { + if (hv_isolation_type_snp() || hv_root_partition) { hv_cpu->synic_message_page = memremap(simp.base_simp_gpa << HV_HYP_PAGE_SHIFT, HV_HYP_PAGE_SIZE, MEMREMAP_WB); @@ -233,7 +233,7 @@ void hv_synic_enable_regs(unsigned int cpu) siefp.as_uint64 = hv_get_register(HV_REGISTER_SIEFP); siefp.siefp_enabled = 1; - if (hv_isolation_type_snp()) { + if (hv_isolation_type_snp() || hv_root_partition) { hv_cpu->synic_event_page = memremap(siefp.base_siefp_gpa << HV_HYP_PAGE_SHIFT, HV_HYP_PAGE_SIZE, MEMREMAP_WB); @@ -315,20 +315,24 @@ void hv_synic_disable_regs(unsigned int cpu) * addresses. */ simp.simp_enabled = 0; - if (hv_isolation_type_snp()) + if (hv_isolation_type_snp() || hv_root_partition) { memunmap(hv_cpu->synic_message_page); - else + hv_cpu->synic_message_page = NULL; + } else { simp.base_simp_gpa = 0; + } hv_set_register(HV_REGISTER_SIMP, simp.as_uint64); siefp.as_uint64 = hv_get_register(HV_REGISTER_SIEFP); siefp.siefp_enabled = 0; - if (hv_isolation_type_snp()) + if (hv_isolation_type_snp() || hv_root_partition) { memunmap(hv_cpu->synic_event_page); - else + hv_cpu->synic_event_page = NULL; + } else { siefp.base_siefp_gpa = 0; + } hv_set_register(HV_REGISTER_SIEFP, siefp.as_uint64); diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index cbe43e2567a7..dffcc894f117 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -1963,7 +1963,7 @@ static void hv_balloon_debugfs_init(struct hv_dynmem_device *b) static void hv_balloon_debugfs_exit(struct hv_dynmem_device *b) { - debugfs_remove(debugfs_lookup("hv-balloon", NULL)); + debugfs_lookup_and_remove("hv-balloon", NULL); } #else @@ -2042,7 +2042,7 @@ connect_error: return ret; } -static int balloon_remove(struct hv_device *dev) +static void balloon_remove(struct hv_device *dev) { struct hv_dynmem_device *dm = hv_get_drvdata(dev); struct hv_hotadd_state *has, *tmp; @@ -2083,8 +2083,6 @@ static int balloon_remove(struct hv_device *dev) kfree(has); } spin_unlock_irqrestore(&dm_device.ha_lock, flags); - - return 0; } static int balloon_suspend(struct hv_device *hv_dev) diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c index ae68298c0dca..52a6f89ccdbd 100644 --- a/drivers/hv/hv_common.c +++ b/drivers/hv/hv_common.c @@ -25,17 +25,20 @@ #include <asm/mshyperv.h> /* - * hv_root_partition and ms_hyperv are defined here with other Hyper-V - * specific globals so they are shared across all architectures and are + * hv_root_partition, ms_hyperv and hv_nested are defined here with other + * Hyper-V specific globals so they are shared across all architectures and are * built only when CONFIG_HYPERV is defined. But on x86, * ms_hyperv_init_platform() is built even when CONFIG_HYPERV is not - * defined, and it uses these two variables. So mark them as __weak + * defined, and it uses these three variables. So mark them as __weak * here, allowing for an overriding definition in the module containing * ms_hyperv_init_platform(). */ bool __weak hv_root_partition; EXPORT_SYMBOL_GPL(hv_root_partition); +bool __weak hv_nested; +EXPORT_SYMBOL_GPL(hv_nested); + struct ms_hyperv_info __weak ms_hyperv; EXPORT_SYMBOL_GPL(ms_hyperv); diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index d776074b49cb..42aec2c5606a 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -602,7 +602,7 @@ error1: return ret; } -static int util_remove(struct hv_device *dev) +static void util_remove(struct hv_device *dev) { struct hv_util_service *srv = hv_get_drvdata(dev); @@ -610,8 +610,6 @@ static int util_remove(struct hv_device *dev) srv->util_deinit(); vmbus_close(dev->channel); kfree(srv->recv_buffer); - - return 0; } /* diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index f50aaa189df6..d24dd65b33d4 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2744,7 +2744,7 @@ static int __init hv_acpi_init(void) if (!hv_is_hyperv_initialized()) return -ENODEV; - if (hv_root_partition) + if (hv_root_partition && !hv_nested) return 0; /* |