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Commit 9dafc14e authored by Richard Weinberger's avatar Richard Weinberger Committed by Srinivasarao P
Browse files

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.

Change-Id: I37a472e7405405c5da6b23bd3c279e4a0cb76cd0
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Git-commit: 298e20ba8c197e8d429a6c8671550c41c7919033
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: default avatarSrinivasarao P <spathi@codeaurora.org>
parent be407bff

arch/um/Makefile

+4 −3
Original line number Diff line number Diff line
@@ -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 $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)

arch/um/drivers/mconsole.h

+1 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ 
#ifndef __MCONSOLE_H__

#define __MCONSOLE_H__



#ifndef __KERNEL__

#ifdef __UM_HOST__

#include <stdint.h>

#define u32 uint32_t

#endif

arch/um/include/shared/init.h

+2 −2
Original line number Diff line number Diff line
@@ -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 \

arch/um/include/shared/user.h

+1 −1
Original line number Diff line number Diff line
@@ -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>

arch/x86/um/shared/sysdep/tls.h

+3 −3
Original line number Diff line number Diff line 
#ifndef _SYSDEP_TLS_H

#define _SYSDEP_TLS_H



# ifndef __KERNEL__

#ifdef __UM_HOST__



/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which

 * may be named user_desc (but in 2.4 and in header matching its API was named
@@ -22,11 +22,11 @@ typedef struct um_dup_user_desc { 
#endif

} user_desc_t;



# else /* __KERNEL__ */

#else /* __UM_HOST__ */



typedef struct user_desc user_desc_t;



# endif /* __KERNEL__ */

#endif /* __UM_HOST__ */



extern int os_set_thread_area(user_desc_t *info, int pid);

extern int os_get_thread_area(user_desc_t *info, int pid);