linux-kernel - [tip:perf/core] x86: Make the vdso2c compiler use the host architecture headers

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Date:	Mon, 25 Jul 2016 11:12:21 -0700
From:	tip-bot for Stephen Rothwell <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	peterz@...radead.org, luto@...nel.org, acme@...hat.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...nel.org,
	jpoimboe@...hat.com, hpa@...or.com, sfr@...b.auug.org.au
Subject: [tip:perf/core] x86: Make the vdso2c compiler use the host
 architecture headers

Commit-ID:  d51306f1a3bc0e3a7b86d8f2b2dedf34b356d3dd
Gitweb:     http://git.kernel.org/tip/d51306f1a3bc0e3a7b86d8f2b2dedf34b356d3dd
Author:     Stephen Rothwell <sfr@...b.auug.org.au>
AuthorDate: Sat, 23 Jul 2016 14:35:40 +1000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 25 Jul 2016 10:02:21 -0300

x86: Make the vdso2c compiler use the host architecture headers

To be clear: this is a ppc64le hosted, x86_64 target cross build.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
Acked-by: Andy Lutomirski <luto@...nel.org>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20160723150845.3af8e452@canb.auug.org.au
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 arch/x86/entry/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 253b72e..25e88c0 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -55,7 +55,7 @@ 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 -I$(srctree)/arch/x86/include/uapi
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi
 hostprogs-y			+= vdso2c
 
 quiet_cmd_vdso2c = VDSO2C  $@