[tip: x86/cleanups] x86/vdso: Provide missing include file

[tip-bot2 for Valdis KlÄtnieks]

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     bff47c2302cc249bcd550b17067f8dddbd4b6f77
Gitweb:        https://git.kernel.org/tip/bff47c2302cc249bcd550b17067f8dddbd4b6f77
Author:        Valdis KlÄtnieks <valdis.kletnieks@xxxxxx>
AuthorDate:    Thu, 05 Dec 2019 21:36:07 -05:00
Committer:     Borislav Petkov <bp@xxxxxxx>
CommitterDate: Sun, 29 Dec 2019 13:41:31 +01:00

x86/vdso: Provide missing include file

When building with C=1, sparse issues a warning:

  CHECK   arch/x86/entry/vdso/vdso32-setup.c
  arch/x86/entry/vdso/vdso32-setup.c:28:28: warning: symbol 'vdso32_enabled' was not declared. Should it be static?

Provide the missing header file.

Signed-off-by: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: x86-ml <x86@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/36224.1575599767@turing-police
---
 arch/x86/entry/vdso/vdso32-setup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c
index 240626e..43842fa 100644
--- a/arch/x86/entry/vdso/vdso32-setup.c
+++ b/arch/x86/entry/vdso/vdso32-setup.c
@@ -11,6 +11,7 @@
 #include <linux/smp.h>
 #include <linux/kernel.h>
 #include <linux/mm_types.h>
+#include <linux/elf.h>
 
 #include <asm/processor.h>
 #include <asm/vdso.h>