Re: [PATCH v2 02/12] mm: Introduce a function to check for virtualization protection features

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On 8/14/21 1:32 PM, Borislav Petkov wrote:
On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote:
diff --git a/include/linux/protected_guest.h b/include/linux/protected_guest.h
new file mode 100644
index 000000000000..43d4dde94793
--- /dev/null
+++ b/include/linux/protected_guest.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Protected Guest (and Host) Capability checks
+ *
+ * Copyright (C) 2021 Advanced Micro Devices, Inc.
+ *
+ * Author: Tom Lendacky <thomas.lendacky@xxxxxxx>
+ */
+
+#ifndef _PROTECTED_GUEST_H
+#define _PROTECTED_GUEST_H
+
+#ifndef __ASSEMBLY__
	   ^^^^^^^^^^^^^

Do you really need that guard? It builds fine without it too. Or
something coming later does need it...?

No, I probably did it out of habit. I can remove it in the next version.

Thanks,
Tom





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