linux-kernel - [PATCH AUTOSEL 5.4 231/459] x86/vdso: Provide missing include file

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Message-Id: <20200214160149.11681-231-sashal@kernel.org>
Date:   Fri, 14 Feb 2020 10:58:01 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Valdis Klētnieks <valdis.kletnieks@...edu>,
        Borislav Petkov <bp@...e.de>, "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>, x86-ml <x86@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 5.4 231/459] x86/vdso: Provide missing include file

From: Valdis Klētnieks <valdis.kletnieks@...edu>

[ Upstream commit bff47c2302cc249bcd550b17067f8dddbd4b6f77 ]

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@...edu>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: x86-ml <x86@...nel.org>
Link: https://lkml.kernel.org/r/36224.1575599767@turing-police
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 240626e7f55aa..43842fade8fa1 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>
-- 
2.20.1