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95 lines
2.8 KiB
Diff
95 lines
2.8 KiB
Diff
From: Richard Weinberger <richard@nod.at>
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Date: Sun, 31 May 2015 19:50:57 +0200
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Subject: [PATCH] um: Stop abusing __KERNEL__
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Currently UML is abusing __KERNEL__ to distinguish between
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kernel and host code (os-Linux). It is better to use a custom
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define such that existing users of __KERNEL__ don't get confused.
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Signed-off-by: Richard Weinberger <richard@nod.at>
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---
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--- a/arch/um/drivers/mconsole.h
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+++ b/arch/um/drivers/mconsole.h
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@@ -7,7 +7,7 @@
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#ifndef __MCONSOLE_H__
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#define __MCONSOLE_H__
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-#ifndef __KERNEL__
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+#ifdef __UM_HOST__
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#include <stdint.h>
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#define u32 uint32_t
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#endif
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--- a/arch/um/include/shared/init.h
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+++ b/arch/um/include/shared/init.h
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@@ -40,7 +40,7 @@
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typedef int (*initcall_t)(void);
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typedef void (*exitcall_t)(void);
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-#ifndef __KERNEL__
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+#ifdef __UM_HOST__
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#ifndef __section
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# define __section(S) __attribute__ ((__section__(#S)))
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#endif
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@@ -131,7 +131,7 @@ extern struct uml_param __uml_setup_star
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#define __uml_postsetup_call __used __section(.uml.postsetup.init)
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#define __uml_exit_call __used __section(.uml.exitcall.exit)
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-#ifndef __KERNEL__
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+#ifdef __UM_HOST__
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#define __define_initcall(level,fn) \
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static initcall_t __initcall_##fn __used \
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--- a/arch/um/include/shared/user.h
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+++ b/arch/um/include/shared/user.h
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@@ -17,7 +17,7 @@
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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/* This is to get size_t */
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-#ifdef __KERNEL__
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+#ifndef __UM_HOST__
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#include <linux/types.h>
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#else
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#include <stddef.h>
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--- a/arch/um/Makefile
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+++ b/arch/um/Makefile
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@@ -68,9 +68,10 @@ KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -
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KBUILD_AFLAGS += $(ARCH_INCLUDE)
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-USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
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- $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
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- $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include
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+USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
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+ $(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
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+ -D_FILE_OFFSET_BITS=64 -idirafter include \
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+ -D__KERNEL__ -D__UM_HOST__
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#This will adjust *FLAGS accordingly to the platform.
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include $(ARCH_DIR)/Makefile-os-$(OS)
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--- a/arch/x86/um/shared/sysdep/tls.h
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+++ b/arch/x86/um/shared/sysdep/tls.h
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@@ -1,7 +1,7 @@
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#ifndef _SYSDEP_TLS_H
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#define _SYSDEP_TLS_H
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-# ifndef __KERNEL__
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+#ifdef __UM_HOST__
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/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which
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* may be named user_desc (but in 2.4 and in header matching its API was named
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@@ -22,11 +22,11 @@ typedef struct um_dup_user_desc {
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#endif
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} user_desc_t;
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-# else /* __KERNEL__ */
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+#else /* __UM_HOST__ */
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typedef struct user_desc user_desc_t;
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-# endif /* __KERNEL__ */
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+#endif /* __UM_HOST__ */
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extern int os_set_thread_area(user_desc_t *info, int pid);
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extern int os_get_thread_area(user_desc_t *info, int pid);
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