Drivers: hv: Export some symbols for mshv_vtl

MSHV_VTL driver is going to be introduced, which is supposed to
provide interface for Virtual Machine Monitors (VMMs) to control
Virtual Trust Level (VTL). Export the symbols needed
to make it work (vmbus_isr, hv_context and hv_post_message).

Co-developed-by: Roman Kisel <romank@linux.microsoft.com>
Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
Co-developed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506110544.q0NDMQVc-lkp@intel.com/
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Naman Jain <namjain@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 936c5f310df6ff6f00777f85d49499014ca56b71..c100f04b35813b33fe690d157ea1168c6398891c 100644 (file)
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -18,6 +18,7 @@
 #include <linux/clockchips.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/export.h>
 #include <clocksource/hyperv_timer.h>
 #include <asm/mshyperv.h>
 #include <linux/set_memory.h>
@@ -25,6 +26,7 @@
 
 /* The one and only */
 struct hv_context hv_context;
+EXPORT_SYMBOL_FOR_MODULES(hv_context, "mshv_vtl");
 
 /*
  * hv_init - Main initialization routine.
@@ -104,6 +106,7 @@ int hv_post_message(union hv_connection_id connection_id,
 
        return hv_result(status);
 }
+EXPORT_SYMBOL_FOR_MODULES(hv_post_message, "mshv_vtl");
 
 static int hv_alloc_page(void **page, bool decrypt, const char *note)
 {

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index f7fc2630c054d05ba04134077b54517b6293c271..b2862e0a317a12aa2356ace2ec2fb875f6cfd579 100644 (file)
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -33,6 +33,7 @@
  */
 #define HV_UTIL_NEGO_TIMEOUT 55
 
+void vmbus_isr(void);
 
 /* Definitions for the monitored notification facility */
 union hv_monitor_trigger_group {

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 0dc4692b411ae56a44c61a87d444d5377c4baad6..47fcab38398a4a3d6500f34532bb01de076203e4 100644 (file)
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -36,6 +36,7 @@
 #include <linux/syscore_ops.h>
 #include <linux/dma-map-ops.h>
 #include <linux/pci.h>
+#include <linux/export.h>
 #include <clocksource/hyperv_timer.h>
 #include <asm/mshyperv.h>
 #include "hyperv_vmbus.h"
@@ -1349,7 +1350,7 @@ static void vmbus_message_sched(struct hv_per_cpu_context *hv_cpu, void *message
        }
 }
 
-static void vmbus_isr(void)
+void vmbus_isr(void)
 {
        struct hv_per_cpu_context *hv_cpu
                = this_cpu_ptr(hv_context.cpu_context);
@@ -1362,6 +1363,7 @@ static void vmbus_isr(void)
 
        add_interrupt_randomness(vmbus_interrupt);
 }
+EXPORT_SYMBOL_FOR_MODULES(vmbus_isr, "mshv_vtl");
 
 static irqreturn_t vmbus_percpu_isr(int irq, void *dev_id)
 {