[tip:x86/asmlinkage] lto: Disable LTO for sys_ni

[tip-bot for Andi Kleen]

Commit-ID:  58edae3aac9f2ccd1afb12ea08127e840a0a706c
Gitweb:     http://git.kernel.org/tip/58edae3aac9f2ccd1afb12ea08127e840a0a706c
Author:     Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Sat, 8 Feb 2014 09:01:10 +0100
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Thu, 13 Feb 2014 20:24:53 -0800

lto: Disable LTO for sys_ni

The assembler alias code in cond_syscall does not work
when compiled for LTO. Just disable LTO for that file.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1391846481-31491-6-git-send-email-ak@xxxxxxxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
 kernel/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/Makefile b/kernel/Makefile
index bc010ee..31c26c6 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -18,6 +18,9 @@ CFLAGS_REMOVE_cgroup-debug.o = -pg
 CFLAGS_REMOVE_irq_work.o = -pg
 endif
 
+# cond_syscall is currently not LTO compatible
+CFLAGS_sys_ni.o = $(DISABLE_LTO)
+
 obj-y += sched/
 obj-y += locking/
 obj-y += power/
--
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