summaryrefslogtreecommitdiff
path: root/arch/s390/Kconfig.debug
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2011-01-07 01:31:35 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-07 01:32:03 +0300
commit4ec3eb13634529c0bc7466658d84d0bbe3244aea (patch)
treeb491daac2ccfc7b8ca88e171a43f66888463568a /arch/s390/Kconfig.debug
parent24056f525051a9e186af28904b396320e18bf9a0 (diff)
parent15095bb0fe779c0403091bda7adce5fb3bb9ca35 (diff)
downloadlinux-4ec3eb13634529c0bc7466658d84d0bbe3244aea.tar.xz
Merge branch 'smp' into misc
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/mm/ioremap.c
Diffstat (limited to 'arch/s390/Kconfig.debug')
-rw-r--r--arch/s390/Kconfig.debug12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index 45e0c6199f36..05221b13ffb1 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -6,6 +6,18 @@ config TRACE_IRQFLAGS_SUPPORT
source "lib/Kconfig.debug"
+config STRICT_DEVMEM
+ def_bool y
+ prompt "Filter access to /dev/mem"
+ ---help---
+ This option restricts access to /dev/mem. If this option is
+ disabled, you allow userspace access to all memory, including
+ kernel and userspace memory. Accidental memory access is likely
+ to be disastrous.
+ Memory access is required for experts who want to debug the kernel.
+
+ If you are unsure, say Y.
+
config DEBUG_STRICT_USER_COPY_CHECKS
bool "Strict user copy size checks"
---help---