[L0][V2] Enable host memory registration on Win (#22560)

againull · web-flow · commit f2b0f6fe9298 · 2026-07-09T16:26:12.000+02:00
Functionality works on Windows, so there is no reason to have this
disabled.
diff --git a/unified-runtime/source/adapters/level_zero/device.cpp b/unified-runtime/source/adapters/level_zero/device.cpp
@@ -1287,7 +1287,7 @@ ur_result_t urDeviceGetInfo(
     return ReturnValue(true);
   }
   case UR_DEVICE_INFO_USM_HOST_ALLOC_REGISTER_SUPPORT_EXP: {
-#if defined(UR_ADAPTER_LEVEL_ZERO_V2) && defined(__linux__)
+#if defined(UR_ADAPTER_LEVEL_ZERO_V2)
     // Registering existing host memory as a USM host allocation relies on the
     // external system memory mapping extension being supported by the driver.
     return ReturnValue(

Original file line number	Diff line number	Diff line change
`@@ -1287,7 +1287,7 @@ ur_result_t urDeviceGetInfo(`
`1287`	`1287`	`return ReturnValue(true);`
`1288`	`1288`	`}`
`1289`	`1289`	`case UR_DEVICE_INFO_USM_HOST_ALLOC_REGISTER_SUPPORT_EXP: {`
`1290`		`-#if defined(UR_ADAPTER_LEVEL_ZERO_V2) && defined(__linux__)`
	`1290`	`+#if defined(UR_ADAPTER_LEVEL_ZERO_V2)`
`1291`	`1291`	`// Registering existing host memory as a USM host allocation relies on the`
`1292`	`1292`	`// external system memory mapping extension being supported by the driver.`
`1293`	`1293`	`return ReturnValue(`