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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-11-12 10:59:04 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-11-12 10:59:04 +1100
commit0526484aa345adbf790d1201a6f5d09be0a648a3 (patch)
tree8da37ac2858a960e80dc59ebc4afc460935724f4 /arch/arm/include/asm/unistd.h
parente0ea8b2c0677e6cc44a0e5b867be48867f91de5b (diff)
parentaa021baa3295fa6e3f367d80f8955dd5176656eb (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/arm/include/asm/unistd.h')
-rw-r--r--arch/arm/include/asm/unistd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 7020217fc49..4e506d09e5f 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -403,6 +403,15 @@
#define __ARM_NR_set_tls (__ARM_NR_BASE+5)
/*
+ * *NOTE*: This is a ghost syscall private to the kernel. Only the
+ * __kuser_cmpxchg code in entry-armv.S should be aware of its
+ * existence. Don't ever use this from user code.
+ */
+#ifdef __KERNEL__
+#define __ARM_NR_cmpxchg (__ARM_NR_BASE+0x00fff0)
+#endif
+
+/*
* The following syscalls are obsolete and no longer available for EABI.
*/
#if defined(__ARM_EABI__) && !defined(__KERNEL__)