From d6f0248f04a96249660591e47fcf37ba98ac7ea3 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu@kernel.org>
Date: Tue, 30 Jun 2026 14:57:54 -0700
Subject: [PATCH] mshv: fix hv_input_get_system_property struct

Keep it in sync with the correct definition.

The old code worked by chance.

Fixes: e68bda71a2384 ("hyperv: Add new Hyper-V headers in include/hyperv")
Cc: stable@kernel.org
Signed-off-by: Wei Liu <wei.liu@kernel.org>
---
 include/hyperv/hvhdk_mini.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/hyperv/hvhdk_mini.h b/include/hyperv/hvhdk_mini.h
index b4cb2fa26e9b..035ba20870f7 100644
--- a/include/hyperv/hvhdk_mini.h
+++ b/include/hyperv/hvhdk_mini.h
@@ -184,8 +184,9 @@ enum hv_dynamic_processor_feature_property {
 
 struct hv_input_get_system_property {
 	u32 property_id; /* enum hv_system_property */
+	u32 reserved;
 	union {
-		u32 as_uint32;
+		u64 as_uint64;
 #if IS_ENABLED(CONFIG_X86)
 		/* enum hv_dynamic_processor_feature_property */
 		u32 hv_processor_feature;