summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/assembler.h
diff options
context:
space:
mode:
authorJames Morris2012-09-28 05:37:32 +0200
committerJames Morris2012-09-28 05:37:32 +0200
commitbf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch)
tree566e61e2cfc648c374d15cfc8c661b73e1a471f8 /arch/arm/include/asm/assembler.h
parentMerge branch 'for-1209' of git://gitorious.org/smack-next/kernel into next (diff)
parentLinux 3.6-rc7 (diff)
downloadkernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.tar.gz
kernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.tar.xz
kernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.zip
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7 Requested by David Howells so he can merge his key susbsystem work into my tree with requisite -linus changesets.
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__ */