linux-kernel - [PATCH] x86/process: Fix some -Wmissing-prototypes warnings

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Date:   Tue, 13 Nov 2018 13:02:40 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     tglx@...utronix.de
Cc:     mingo@...hat.com, bp@...en8.de, hpa@...or.com, x86@...nel.org,
        konrad.wilk@...cle.com, luto@...nel.org, thomas.lendacky@....com,
        pravin.shedge4linux@...il.com, namit@...are.com, bp@...e.de,
        jroedel@...e.de, linux-kernel@...r.kernel.org,
        zhong.weidong@....com.cn, Yi Wang <wang.yi59@....com.cn>
Subject: [PATCH] x86/process: Fix some -Wmissing-prototypes warnings

We get a warning when building kernel with W=1:
arch/x86/kernel/process.c:653:13: warning: no previous prototype for ‘arch_post_acpi_subsys_init’ [-Wmissing-prototypes]
arch/x86/kernel/process.c:717:15: warning: no previous prototype for ‘arch_randomize_brk’ [-Wmissing-prototypes]
arch/x86/kernel/process.c:784:6: warning: no previous prototype for ‘do_arch_prctl_common’ [-Wmissing-prototypes]

Add the missing including files to fix this.

Signed-off-by: Yi Wang <wang.yi59@....com.cn>
---
 arch/x86/kernel/process.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index c93fcfd..8a33d4a 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -22,6 +22,8 @@
 #include <linux/utsname.h>
 #include <linux/stackprotector.h>
 #include <linux/cpuidle.h>
+#include <linux/acpi.h>
+#include <linux/elf-randomize.h>
 #include <trace/events/power.h>
 #include <linux/hw_breakpoint.h>
 #include <asm/cpu.h>
@@ -39,6 +41,7 @@
 #include <asm/desc.h>
 #include <asm/prctl.h>
 #include <asm/spec-ctrl.h>
+#include <asm/proto.h>
 
 /*
  * per-CPU TSS segments. Threads are completely 'soft' on Linux,
-- 
1.8.3.1