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Add CONFIG_DEBUG_SG sg validation

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Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.

Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jens Axboe 2007-10-22 20:01:06 +02:00
commit d6ec084200
25 changed files with 101 additions and 0 deletions
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10
lib/Kconfig.debug
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@ -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)