linux-kernel - [PATCH 102/109] kexec: move sys_kexec

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Date:   Thu, 29 Mar 2018 13:24:19 +0200
From:   Dominik Brodowski <linux@...inikbrodowski.net>
To:     linux-kernel@...r.kernel.org
Cc:     viro@...IV.linux.org.uk, torvalds@...ux-foundation.org,
        arnd@...db.de, linux-arch@...r.kernel.org,
        Eric Biederman <ebiederm@...ssion.com>,
        kexec@...ts.infradead.org
Subject: [PATCH 102/109] kexec: move sys_kexec_load() prototype to syscalls.h

As the syscall function should only be called from the system call table
but not from elsewhere in the kernel, move the prototype for
sys_kexec_load() to include/syscall.h.

Cc: Eric Biederman <ebiederm@...ssion.com>
Cc: kexec@...ts.infradead.org
Signed-off-by: Dominik Brodowski <linux@...inikbrodowski.net>
---
 include/linux/kexec.h    | 4 ----
 include/linux/syscalls.h | 4 ++++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index f16f6ceb3875..0ebcbeb21056 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -223,10 +223,6 @@ struct kimage {
 extern void machine_kexec(struct kimage *image);
 extern int machine_kexec_prepare(struct kimage *image);
 extern void machine_kexec_cleanup(struct kimage *image);
-extern asmlinkage long sys_kexec_load(unsigned long entry,
-					unsigned long nr_segments,
-					struct kexec_segment __user *segments,
-					unsigned long flags);
 extern int kernel_kexec(void);
 extern struct page *kimage_alloc_control_pages(struct kimage *image,
 						unsigned int order);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 815fbdd9cca1..8330f046541e 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -936,6 +936,10 @@ asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
 				  unsigned long prot, int pkey);
 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
 asmlinkage long sys_pkey_free(int pkey);
+asmlinkage long sys_kexec_load(unsigned long entry,
+			       unsigned long nr_segments,
+			       struct kexec_segment __user *segments,
+			       unsigned long flags);
 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
 			  unsigned mask, struct statx __user *buffer);
 
-- 
2.16.3