[PATCH 43/74] lto, workaround: Disable LTO for sys_ni to work around alias bugs
From: Andi Kleen
Date: Sat Aug 18 2012 - 23:02:35 EST
From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
LTO gcc has trouble with the weak alias definitions in sys_ni.
This leads to missing symbols. Just disable LTO for this file.
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
kernel/Makefile | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/kernel/Makefile b/kernel/Makefile
index c0cc67a..4b37677 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -22,6 +22,8 @@ CFLAGS_REMOVE_cgroup-debug.o = -pg
CFLAGS_REMOVE_irq_work.o = -pg
endif
+CFLAGS_sys_ni.o = $(DISABLE_LTO)
+
obj-y += sched/
obj-y += power/
--
1.7.7.6
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