diff mbox series

[3/6] hv: Set the correct EOM register in case of nested hypervisor

Message ID 96b72c2ce5434414acff11548ce4776959a7d3b7.1667394408.git.jinankjain@microsoft.com
State New
Headers
Series Add support running nested Microsoft Hypervisor |

Commit Message

Jinank Jain Nov. 2, 2022, 2 p.m. UTC 
  Currently we are using the default EOM register value. But this needs to
changes when running under nested MSHV setup.

Signed-off-by: Jinank Jain <jinankjain@linux.microsoft.com>
---
 include/asm-generic/mshyperv.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 49d2e9274379..7256e2cb7b67 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -117,6 +117,8 @@  static inline u64 hv_generate_guest_id(u64 kernel_version)
 
 extern bool hv_nested;
 
+#define REG_EOM (hv_nested ? HV_REGISTER_NESTED_EOM : HV_REGISTER_EOM)
+
 /* Free the message slot and signal end-of-message if required */
 static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
 {
@@ -148,7 +150,7 @@  static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
 		 * possibly deliver another msg from the
 		 * hypervisor
 		 */
-		hv_set_register(HV_REGISTER_EOM, 0);
+		hv_set_register(REG_EOM, 0);
 	}
 }