[PATCH v2 1/5] x86: add X86_FEATURE_XENPV to disabled-features.h

From: Juergen Gross
Date: Fri Nov 04 2022 - 03:27:30 EST


Add X86_FEATURE_XENPV to the features handled specially in
disabled-features.h.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/include/asm/disabled-features.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h
index 33d2cd04d254..c862552d7d6d 100644
--- a/arch/x86/include/asm/disabled-features.h
+++ b/arch/x86/include/asm/disabled-features.h
@@ -81,6 +81,12 @@
# define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31))
#endif

+#ifdef CONFIG_XEN_PV
+# define DISABLE_XENPV 0
+#else
+# define DISABLE_XENPV (1 << (X86_FEATURE_XENPV & 31))
+#endif
+
#ifdef CONFIG_INTEL_TDX_GUEST
# define DISABLE_TDX_GUEST 0
#else
@@ -98,7 +104,7 @@
#define DISABLED_MASK5 0
#define DISABLED_MASK6 0
#define DISABLED_MASK7 (DISABLE_PTI)
-#define DISABLED_MASK8 (DISABLE_TDX_GUEST)
+#define DISABLED_MASK8 (DISABLE_XENPV|DISABLE_TDX_GUEST)
#define DISABLED_MASK9 (DISABLE_SGX)
#define DISABLED_MASK10 0
#define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET)
--
2.35.3