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authorTony Lindgren <tony@atomide.com>2012-09-21 13:48:01 -0700
committerTony Lindgren <tony@atomide.com>2012-09-21 13:48:01 -0700
commit0c9de3c52d2baed6bc2ee44885adb418152c71c4 (patch)
treee19ab2c41ae47250fd614418022b32aa783aa563 /arch/arm/include/asm/assembler.h
parent6bfc82ff589a00e5fbc12b958c649d703d273c86 (diff)
parent3c7c5dab44d6c8861bc86dab924353d8d40344f8 (diff)
Merge branch 'for_3.7/omap5_arch_timer' of git://github.com/SantoshShilimkar/linux into devel-dt-arch-timer
Conflicts: arch/arm/mach-omap2/timer.c
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__ */