linux-kernel - [PATCH 4.0 097/105] x86/vdso: Fix the x86 vdso2c tool includes

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Message-Id: <20150619203601.104443316@linuxfoundation.org>
Date:	Fri, 19 Jun 2015 13:36:27 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Tommi Kyntola <tommi.kyntola@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 4.0 097/105] x86/vdso: Fix the x86 vdso2c tool includes

4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tommi Kyntola <tommi.kyntola@...il.com>

commit 0a4f59d6e09ef16fbb7d213cfa1bf472c7845fda upstream.

The build-time tool arch/x86/vdso/vdso2c.c includes <linux/elf.h>,
but cannot find it, unless the build host happens to provide it.

It should be reading the uapi linux/elf.h

This build regression came along with the vdso2c changes between
v3.15 and v3.16.

Signed-off-by: Tommi Kyntola <tommi.kyntola@...il.com>
Signed-off-by: Andy Lutomirski <luto@...capital.net>
Link: http://lkml.kernel.org/r/1525002.3cJ7BySVpA@musta
Link: http://lkml.kernel.org/r/efe1ec29eda830b1d0030882706f3dac99ce1f73.1427482099.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/x86/vdso/Makefile |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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


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