Merge branch 'uapi-prep' of git://git.infradead.org/users/dhowells/linux-headers

Pull UAPI disintegration fixes from David Howells:
 "There are three main parts:

 (1) I found I needed some more fixups in the wake of testing Arm64
     (some asm/unistd.h files had weird guards that caused problems -
     mostly in arches for which I don't have a compiler) and some
     __KERNEL__ splitting needed to take place in Arm64.

 (2) I found that c6x was missing some __KERNEL__ guards in its
     asm/signal.h.  Mark Salter pointed me at a tree with a patch to
     remove that file entirely and use the asm-generic variant instead.

 (3) Lastly, m68k turned out to have a header installation problem due
     to it lacking a kvm_para.h file.

     The conditional installation bits for linux/kvm_para.h, linux/kvm.h
     and linux/a.out.h weren't very well specified - and didn't work if
     an arch didn't have the asm/ version of that file, but there *was*
     an asm-generic/ version.

     It seems the "ifneq $((wildcard ...),)" for each of those three
     headers in include/kernel/Kbuild is invoked twice during header
     installation, and the second time it matches on the just installed
     asm-generic/kvm_para.h file and thus incorrectly installs
     linux/kvm_para.h as well.

     Most arches actually have an asm/kvm_para.h, so this wasn't
     detectable in those."

* 'uapi-prep' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: Fix conditional header installation handling (notably kvm_para.h on m68k)
  c6x: remove c6x signal.h
  UAPI: Split compound conditionals containing __KERNEL__ in Arm64
  UAPI: Fix the guards on various asm/unistd.h files
  c6x: make dsk6455 the default config

4 files changed, 9 insertions, 11 deletions

diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
index f8190ba45a3e..db05f9766112 100644
--- a/arch/arm64/include/asm/hwcap.h
+++ b/arch/arm64/include/asm/hwcap.h
@@ -35,7 +35,8 @@
 #define COMPAT_HWCAP_IDIVT      (1 << 18)
 #define COMPAT_HWCAP_IDIV       (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
 
-#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
 /*
  * This yields a mask that user programs can use to figure out what
  * instruction set this cpu supports.
@@ -49,5 +50,6 @@
 
 extern unsigned int elf_hwcap;
 #endif
+#endif
 
 #endif
diff --git a/arch/arm64/include/asm/stat.h b/arch/arm64/include/asm/stat.h
index d87225cbead8..a9f580c28f7b 100644
--- a/arch/arm64/include/asm/stat.h
+++ b/arch/arm64/include/asm/stat.h
@@ -18,7 +18,8 @@
 
 #include <asm-generic/stat.h>
 
-#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
 
 #include <asm/compat.h>
 
@@ -58,5 +59,6 @@ struct stat64 {
 };
 
 #endif
+#endif
 
 #endif
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index fe18a683274f..8f03dee066ed 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -13,15 +13,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#if !defined(__ASM_UNISTD_H) || defined(__SYSCALL)
-#define __ASM_UNISTD_H
 
 #ifndef __SYSCALL_COMPAT
 #include <asm-generic/unistd.h>
 #endif
 
-#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
 #include <asm/unistd32.h>
 #endif
-
-#endif /* __ASM_UNISTD_H */
+#endif
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index a50405f5ee42..3ba1f1a90629 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -16,8 +16,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#if !defined(__ASM_UNISTD32_H) || defined(__SYSCALL)
-#define __ASM_UNISTD32_H
 
 #ifndef __SYSCALL
 #define __SYSCALL(x, y)
@@ -754,5 +752,3 @@ __SYSCALL(__NR_syncfs, sys_syncfs)
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
-
-#endif /* __ASM_UNISTD32_H */