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authorRichard Weinberger <richard@nod.at>2015-05-31 19:50:57 +0200
committerRichard Weinberger <richard@nod.at>2015-05-31 22:05:32 +0200
commit298e20ba8c197e8d429a6c8671550c41c7919033 (patch)
tree58010c4512a36344c15defaeb6998d9344714810 /arch/um
parentd2313084e2c3488e254796617fcda45d69731b21 (diff)
downloadlinux-298e20ba8c197e8d429a6c8671550c41c7919033.tar.gz
um: Stop abusing __KERNEL__
Currently UML is abusing __KERNEL__ to distinguish between
kernel and host code (os-Linux). It is better to use a custom
define such that existing users of __KERNEL__ don't get confused.

Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/Makefile7
-rw-r--r--arch/um/drivers/mconsole.h2
-rw-r--r--arch/um/include/shared/init.h4
-rw-r--r--arch/um/include/shared/user.h2
4 files changed, 8 insertions, 7 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 17d4460b1af3..098ab3333e7c 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -68,9 +68,10 @@ KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arch_um__ \
 
 KBUILD_AFLAGS += $(ARCH_INCLUDE)
 
-USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
-	$(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
-	$(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include
+USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
+		$(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
+		-D_FILE_OFFSET_BITS=64 -idirafter include \
+		-D__KERNEL__ -D__UM_HOST__
 
 #This will adjust *FLAGS accordingly to the platform.
 include $(ARCH_DIR)/Makefile-os-$(OS)
diff --git a/arch/um/drivers/mconsole.h b/arch/um/drivers/mconsole.h
index 8b22535c62ce..44af7379ea19 100644
--- a/arch/um/drivers/mconsole.h
+++ b/arch/um/drivers/mconsole.h
@@ -7,7 +7,7 @@
 #ifndef __MCONSOLE_H__
 #define __MCONSOLE_H__
 
-#ifndef __KERNEL__
+#ifdef __UM_HOST__
 #include <stdint.h>
 #define u32 uint32_t
 #endif
diff --git a/arch/um/include/shared/init.h b/arch/um/include/shared/init.h
index b3906f860a87..031ad1d111e7 100644
--- a/arch/um/include/shared/init.h
+++ b/arch/um/include/shared/init.h
@@ -40,7 +40,7 @@
 typedef int (*initcall_t)(void);
 typedef void (*exitcall_t)(void);
 
-#ifndef __KERNEL__
+#ifdef __UM_HOST__
 #ifndef __section
 # define __section(S) __attribute__ ((__section__(#S)))
 #endif
@@ -131,7 +131,7 @@ extern struct uml_param __uml_setup_start, __uml_setup_end;
 #define __uml_postsetup_call	__used __section(.uml.postsetup.init)
 #define __uml_exit_call		__used __section(.uml.exitcall.exit)
 
-#ifndef __KERNEL__
+#ifdef __UM_HOST__
 
 #define __define_initcall(level,fn) \
 	static initcall_t __initcall_##fn __used \
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index cef068563336..4cff19f6207a 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -17,7 +17,7 @@
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
 /* This is to get size_t */
-#ifdef __KERNEL__
+#ifndef __UM_HOST__
 #include <linux/types.h>
 #else
 #include <stddef.h>