[tip:x86/urgent] x86/vdso: Fix 'make bzImage' on older distros

[tip-bot for Oleg Nesterov]

Commit-ID:  ef7254a595912b026d80a4116b8c4cd5b79d9c62
Gitweb:     http://git.kernel.org/tip/ef7254a595912b026d80a4116b8c4cd5b79d9c62
Author:     Oleg Nesterov <oleg@xxxxxxxxxx>
AuthorDate: Mon, 11 May 2015 10:15:50 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 11 May 2015 10:25:02 +0200

x86/vdso: Fix 'make bzImage' on older distros

Change HOST_EXTRACFLAGS to include arch/x86/include/uapi along
with include/uapi.

This looks more consistent, and this fixes "make bzImage" on my
old distro which doesn't have asm/bitsperlong.h in /usr/include/.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Fixes: 6f121e548f83 ("x86, vdso: Reimplement vdso.so preparation in build-time C")
Link: http://lkml.kernel.org/r/1431332153-18566-6-git-send-email-bp@xxxxxxxxx
Link: http://lkml.kernel.org/r/20150507165835.GB18652@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 275a3a8..e970320 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -51,7 +51,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 $(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/x86/include/uapi
 hostprogs-y			+= vdso2c
 
 quiet_cmd_vdso2c = VDSO2C  $@
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