Merge tag 'hyperv-fixes-signed-20230804' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - Fix a bug in a python script for Hyper-V (Ani Sinha)

 - Workaround a bug in Hyper-V when IBT is enabled (Michael Kelley)

 - Fix an issue parsing MP table when Linux runs in VTL2 (Saurabh
   Sengar)

 - Several cleanup patches (Nischala Yelchuri, Kameron Carr, YueHaibing,
   ZhiHu)

* tag 'hyperv-fixes-signed-20230804' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: vmbus: Remove unused extern declaration vmbus_ontimer()
  x86/hyperv: add noop functions to x86_init mpparse functions
  vmbus_testing: fix wrong python syntax for integer value comparison
  x86/hyperv: fix a warning in mshyperv.h
  x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction
  x86/hyperv: Improve code for referencing hyperv_pcpu_input_arg
  Drivers: hv: Change hv_free_hyperv_page() to take void * argument

3 files changed, 12 insertions, 13 deletions

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 5978e9dbc286..ebf15f31d97e 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -209,8 +209,7 @@ int vmbus_connect(void)
 	 * Setup the vmbus event connection for channel interrupt
 	 * abstraction stuff
 	 */
-	vmbus_connection.int_page =
-	(void *)hv_alloc_hyperv_zeroed_page();
+	vmbus_connection.int_page = hv_alloc_hyperv_zeroed_page();
 	if (vmbus_connection.int_page == NULL) {
 		ret = -ENOMEM;
 		goto cleanup;
@@ -225,8 +224,8 @@ int vmbus_connect(void)
 	 * Setup the monitor notification facility. The 1st page for
 	 * parent->child and the 2nd page for child->parent
 	 */
-	vmbus_connection.monitor_pages[0] = (void *)hv_alloc_hyperv_page();
-	vmbus_connection.monitor_pages[1] = (void *)hv_alloc_hyperv_page();
+	vmbus_connection.monitor_pages[0] = hv_alloc_hyperv_page();
+	vmbus_connection.monitor_pages[1] = hv_alloc_hyperv_page();
 	if ((vmbus_connection.monitor_pages[0] == NULL) ||
 	    (vmbus_connection.monitor_pages[1] == NULL)) {
 		ret = -ENOMEM;
@@ -333,15 +332,15 @@ void vmbus_disconnect(void)
 		destroy_workqueue(vmbus_connection.work_queue);
 
 	if (vmbus_connection.int_page) {
-		hv_free_hyperv_page((unsigned long)vmbus_connection.int_page);
+		hv_free_hyperv_page(vmbus_connection.int_page);
 		vmbus_connection.int_page = NULL;
 	}
 
 	set_memory_encrypted((unsigned long)vmbus_connection.monitor_pages[0], 1);
 	set_memory_encrypted((unsigned long)vmbus_connection.monitor_pages[1], 1);
 
-	hv_free_hyperv_page((unsigned long)vmbus_connection.monitor_pages[0]);
-	hv_free_hyperv_page((unsigned long)vmbus_connection.monitor_pages[1]);
+	hv_free_hyperv_page(vmbus_connection.monitor_pages[0]);
+	hv_free_hyperv_page(vmbus_connection.monitor_pages[1]);
 	vmbus_connection.monitor_pages[0] = NULL;
 	vmbus_connection.monitor_pages[1] = NULL;
 }
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index dffcc894f117..0d7a3ba66396 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1628,7 +1628,7 @@ static int hv_free_page_report(struct page_reporting_dev_info *pr_dev_info,
 	WARN_ON_ONCE(nents > HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES);
 	WARN_ON_ONCE(sgl->length < (HV_HYP_PAGE_SIZE << page_reporting_order));
 	local_irq_save(flags);
-	hint = *(struct hv_memory_hint **)this_cpu_ptr(hyperv_pcpu_input_arg);
+	hint = *this_cpu_ptr(hyperv_pcpu_input_arg);
 	if (!hint) {
 		local_irq_restore(flags);
 		return -ENOSPC;
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index 542a1d53b303..6a2258fef1fe 100644
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -115,12 +115,12 @@ void *hv_alloc_hyperv_zeroed_page(void)
 }
 EXPORT_SYMBOL_GPL(hv_alloc_hyperv_zeroed_page);
 
-void hv_free_hyperv_page(unsigned long addr)
+void hv_free_hyperv_page(void *addr)
 {
 	if (PAGE_SIZE == HV_HYP_PAGE_SIZE)
-		free_page(addr);
+		free_page((unsigned long)addr);
 	else
-		kfree((void *)addr);
+		kfree(addr);
 }
 EXPORT_SYMBOL_GPL(hv_free_hyperv_page);
 
@@ -253,7 +253,7 @@ static void hv_kmsg_dump_unregister(void)
 	atomic_notifier_chain_unregister(&panic_notifier_list,
 					 &hyperv_panic_report_block);
 
-	hv_free_hyperv_page((unsigned long)hv_panic_page);
+	hv_free_hyperv_page(hv_panic_page);
 	hv_panic_page = NULL;
 }
 
@@ -270,7 +270,7 @@ static void hv_kmsg_dump_register(void)
 	ret = kmsg_dump_register(&hv_kmsg_dumper);
 	if (ret) {
 		pr_err("Hyper-V: kmsg dump register error 0x%x\n", ret);
-		hv_free_hyperv_page((unsigned long)hv_panic_page);
+		hv_free_hyperv_page(hv_panic_page);
 		hv_panic_page = NULL;
 	}
 }