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authorWolfram Sang <w.sang@pengutronix.de>2012-10-08 12:46:32 +0200
committerWolfram Sang <w.sang@pengutronix.de>2012-10-08 12:46:32 +0200
commit102084d3d3969646cc89ea159e50898aeafc6649 (patch)
treee92924469b3fab3ee6fa29e338e0a3a4cb167e82 /arch/arm/include/asm/assembler.h
parent6ccbe607132bd823abbad8d32b13af89161707da (diff)
parent979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff)
downloadlinux-linaro-stable-102084d3d3969646cc89ea159e50898aeafc6649.tar.gz
Merge tag 'v3.6-rc7' into i2c-embedded/for-next
Linux 3.6-rc7 Needed to get updates from i2c-embedded/for-current into i2c-embedded/for-next
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
-rw-r--r--arch/arm/include/asm/assembler.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 03fb93621d0d..5c8b3bf4d825 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -320,4 +320,12 @@
.size \name , . - \name
.endm
+ .macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
+#ifndef CONFIG_CPU_USE_DOMAINS
+ adds \tmp, \addr, #\size - 1
+ sbcccs \tmp, \tmp, \limit
+ bcs \bad
+#endif
+ .endm
+
#endif /* __ASM_ASSEMBLER_H__ */