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authorJens Axboe <jens.axboe@oracle.com>2007-10-22 20:01:06 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 21:20:03 +0200
commitd6ec084200c37683278c821338f74ddf21ab80f5 (patch)
tree931a112061e3a861768384b8b6ea20fdd35bd41b /lib
parent18dabf473e15850c0dbc8ff13ac1e2806d542c15 (diff)
downloadlinux-d6ec084200c37683278c821338f74ddf21ab80f5.tar.bz2
Add CONFIG_DEBUG_SG sg validation
Add a Kconfig entry which will toggle some sanity checks on the sg entry and tables. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c567f219191d..1faa5087dc86 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -389,6 +389,16 @@ config DEBUG_LIST
If unsure, say N.
+config DEBUG_SG
+ bool "Debug SG table operations"
+ depends on DEBUG_KERNEL
+ help
+ Enable this to turn on checks on scatter-gather tables. This can
+ help find problems with drivers that do not properly initialize
+ their sg tables.
+
+ If unsure, say N.
+
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || AVR32 || SUPERH || BFIN)