[Xen-devel] [PATCH 42/45] xen: arm: Enable VFP is a nop on 64-bit.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/include/asm-arm/vfp.h |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/xen/include/asm-arm/vfp.h b/xen/include/asm-arm/vfp.h
index 0bab2a8..5c61376 100644
--- a/xen/include/asm-arm/vfp.h
+++ b/xen/include/asm-arm/vfp.h
@@ -3,6 +3,9 @@
 
 #include <xen/types.h>
 
+
+#ifdef CONFIG_ARM_32
+
 #define FPEXC_EN (1u << 30)
 
 /* Save and restore FP state.
@@ -17,12 +20,17 @@
     asm volatile ("fmxr fp" #reg ", %0" : : "r" (val)); \
 } while (0)
 
-
 /* Start-of-day: Turn on VFP */
 static inline void enable_vfp(void)
 {
     WRITE_FP(exc, READ_FP(exc) | FPEXC_EN);
 }
+#else
+static inline void enable_vfp(void)
+{
+    /* Always enable on 64-bit */
+}
+#endif
 
 #endif
 /*
-- 
1.7.2.5


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