[PATCH] syscalls: make kcmp syscall available for all architectures

[Heiko Carstens]

Remove the x86 dependency, since the system call is not
architecture dependend.

Also add a ptrace.h include, so it compiles at least also on s390.

Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
 kernel/Makefile | 4 +---
 kernel/kcmp.c   | 1 +
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/Makefile b/kernel/Makefile
index c0cc67a..eb4138b 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -25,9 +25,7 @@ endif
 obj-y += sched/
 obj-y += power/
 
-ifeq ($(CONFIG_CHECKPOINT_RESTORE),y)
-obj-$(CONFIG_X86) += kcmp.o
-endif
+obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
 obj-$(CONFIG_FREEZER) += freezer.o
 obj-$(CONFIG_PROFILING) += profile.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
diff --git a/kernel/kcmp.c b/kernel/kcmp.c
index 30b7b22..e30ac0f 100644
--- a/kernel/kcmp.c
+++ b/kernel/kcmp.c
@@ -4,6 +4,7 @@
 #include <linux/string.h>
 #include <linux/random.h>
 #include <linux/module.h>
+#include <linux/ptrace.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/cache.h>
-- 
1.7.11.6

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