Sanitise linux/audit.h for userspace consumption, split elf-em.h from elf.h

Don't include <linux/sched.h> outside __KERNEL__, and split the EM_xxx
definitions out of elf.h into elf-em.h so that audit.h can include just
that and not pollute the namespace any further than it needs to.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

include/linux/audit.h

@@ -24,8 +24,7 @@
 #ifndef _LINUX_AUDIT_H_
 #define _LINUX_AUDIT_H_
 
-#include <linux/sched.h>
-#include <linux/elf.h>
+#include <linux/elf-em.h>
 
 /* The netlink messages for the audit system is divided into blocks:
  * 1000 - 1099 are for commanding the audit system
@@ -267,6 +266,7 @@ struct audit_rule {		/* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
 };
 
 #ifdef __KERNEL__
+#include <linux/sched.h>
 
 struct audit_sig_info {
 	uid_t		uid;

include/linux/elf-em.h

@@ -0,0 +1,44 @@
+#ifndef _LINUX_ELF_EM_H
+#define _LINUX_ELF_EM_H
+
+/* These constants define the various ELF target machines */
+#define EM_NONE		0
+#define EM_M32		1
+#define EM_SPARC	2
+#define EM_386		3
+#define EM_68K		4
+#define EM_88K		5
+#define EM_486		6	/* Perhaps disused */
+#define EM_860		7
+#define EM_MIPS		8	/* MIPS R3000 (officially, big-endian only) */
+#define EM_MIPS_RS4_BE	10	/* MIPS R4000 big-endian */
+#define EM_PARISC	15	/* HPPA */
+#define EM_SPARC32PLUS	18	/* Sun's "v8plus" */
+#define EM_PPC		20	/* PowerPC */
+#define EM_PPC64	21       /* PowerPC64 */
+#define EM_SH		42	/* SuperH */
+#define EM_SPARCV9	43	/* SPARC v9 64-bit */
+#define EM_IA_64	50	/* HP/Intel IA-64 */
+#define EM_X86_64	62	/* AMD x86-64 */
+#define EM_S390		22	/* IBM S/390 */
+#define EM_CRIS		76	/* Axis Communications 32-bit embedded processor */
+#define EM_V850		87	/* NEC v850 */
+#define EM_M32R		88	/* Renesas M32R */
+#define EM_H8_300	46	/* Renesas H8/300,300H,H8S */
+#define EM_FRV		0x5441	/* Fujitsu FR-V */
+
+/*
+ * This is an interim value that we will use until the committee comes
+ * up with a final number.
+ */
+#define EM_ALPHA	0x9026
+
+/* Bogus old v850 magic number, used by old tools. */
+#define EM_CYGNUS_V850	0x9080
+/* Bogus old m32r magic number, used by old tools. */
+#define EM_CYGNUS_M32R	0x9041
+/* This is the old interim value for S/390 architecture */
+#define EM_S390_OLD	0xA390
+
+
+#endif /* _LINUX_ELF_EM_H */

include/linux/elf.h

@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/auxvec.h>
+#include <linux/elf-em.h>
 #include <asm/elf.h>
 
 #ifndef elf_read_implies_exec
@@ -55,64 +56,6 @@ typedef __s64	Elf64_Sxword;
 #define ET_LOPROC 0xff00
 #define ET_HIPROC 0xffff
 
-/* These constants define the various ELF target machines */
-#define EM_NONE  0
-#define EM_M32   1
-#define EM_SPARC 2
-#define EM_386   3
-#define EM_68K   4
-#define EM_88K   5
-#define EM_486   6   /* Perhaps disused */
-#define EM_860   7
-
-#define EM_MIPS		8	/* MIPS R3000 (officially, big-endian only) */
-
-#define EM_MIPS_RS4_BE 10	/* MIPS R4000 big-endian */
-
-#define EM_PARISC      15	/* HPPA */
-
-#define EM_SPARC32PLUS 18	/* Sun's "v8plus" */
-
-#define EM_PPC	       20	/* PowerPC */
-#define EM_PPC64       21       /* PowerPC64 */
-
-#define EM_SH	       42	/* SuperH */
-
-#define EM_SPARCV9     43	/* SPARC v9 64-bit */
-
-#define EM_IA_64	50	/* HP/Intel IA-64 */
-
-#define EM_X86_64	62	/* AMD x86-64 */
-
-#define EM_S390		22	/* IBM S/390 */
-
-#define EM_CRIS         76      /* Axis Communications 32-bit embedded processor */
-
-#define EM_V850		87	/* NEC v850 */
-
-#define EM_M32R		88	/* Renesas M32R */
-
-#define EM_H8_300       46      /* Renesas H8/300,300H,H8S */
-
-/*
- * This is an interim value that we will use until the committee comes
- * up with a final number.
- */
-#define EM_ALPHA	0x9026
-
-/* Bogus old v850 magic number, used by old tools.  */
-#define EM_CYGNUS_V850	0x9080
-
-/* Bogus old m32r magic number, used by old tools.  */
-#define EM_CYGNUS_M32R	0x9041
-
-/*
- * This is the old interim value for S/390 architecture
- */
-#define EM_S390_OLD     0xA390
-
-#define EM_FRV		0x5441		/* Fujitsu FR-V */
-
 /* This is the info that is needed to parse the dynamic section of the file */
 #define DT_NULL		0
 #define DT_NEEDED	1