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[43/74] lto, workaround: Disable LTO for sys_ni to work around alias bugs

Message ID 1345345030-22211-44-git-send-email-andi@firstfloor.org (mailing list archive)
State New, archived
Headers show

Commit Message

Andi Kleen Aug. 19, 2012, 2:56 a.m. UTC 
From: Andi Kleen <ak@linux.intel.com>

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@linux.intel.com>
---
 kernel/Makefile |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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Patch

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/