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>

3 files changed, 47 insertions, 60 deletions

diff --git a/include/linux/audit.h b/include/linux/audit.h
index 1c47c59058c1..319975532943 100644
--- a/include/linux/audit.h
+++ b/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;
diff --git a/include/linux/elf-em.h b/include/linux/elf-em.h
new file mode 100644
index 000000000000..114a96d25652
--- /dev/null
+++ b/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 */
diff --git a/include/linux/elf.h b/include/linux/elf.h
index d3bfacb24496..b70d1d2c8d28 100644
--- a/include/linux/elf.h
+++ b/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