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authorDavid Howells <dhowells@redhat.com>2012-10-04 18:20:15 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-04 18:20:15 +0100
commit8a1ab3155c2ac7fbe5f2038d6e26efeb607a1498 (patch)
tree42ef93e164b8b2a01adab30db4b33f370f4280d7 /include/uapi/asm-generic/bitsperlong.h
parentf3dfd599af993385b40fc7a1c947afc12729bc4d (diff)
UAPI: (Scripted) Disintegrate include/asm-generic
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/asm-generic/bitsperlong.h')
-rw-r--r--include/uapi/asm-generic/bitsperlong.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/uapi/asm-generic/bitsperlong.h b/include/uapi/asm-generic/bitsperlong.h
new file mode 100644
index 000000000000..23e6c416b85f
--- /dev/null
+++ b/include/uapi/asm-generic/bitsperlong.h
@@ -0,0 +1,15 @@
+#ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG
+#define _UAPI__ASM_GENERIC_BITS_PER_LONG
+
+/*
+ * There seems to be no way of detecting this automatically from user
+ * space, so 64 bit architectures should override this in their
+ * bitsperlong.h. In particular, an architecture that supports
+ * both 32 and 64 bit user space must not rely on CONFIG_64BIT
+ * to decide it, but rather check a compiler provided macro.
+ */
+#ifndef __BITS_PER_LONG
+#define __BITS_PER_LONG 32
+#endif
+
+#endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */

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