tracing,x86: Add a TSC trace_clock

[~andy/linux] / arch / tile / Makefile

diff --git a/arch/tile/Makefile b/arch/tile/Makefile
index 55640cf92597b11f943173928b4d7d7437d4be14..3d15364c60714bf661da140c8f6e67cde20001b3 100644 (file)
--- a/arch/tile/Makefile
+++ b/arch/tile/Makefile
@@ -26,6 +26,10 @@ $(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
   endif
 endif
 
+# The tile compiler may emit .eh_frame information for backtracing.
+# In kernel modules, this causes load failures due to unsupported relocations.
+KBUILD_CFLAGS   += -fno-asynchronous-unwind-tables
+
 ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
 KBUILD_CFLAGS   += $(CONFIG_DEBUG_EXTRA_FLAGS)
 endif