diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
| commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
| tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /arch/parisc/Kconfig.debug | |
| parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
| parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) | |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'arch/parisc/Kconfig.debug')
| -rw-r--r-- | arch/parisc/Kconfig.debug | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index bc989e522a04..7305ac8f7f5b 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -12,4 +12,18 @@ config DEBUG_RODATA portion of the kernel code won't be covered by a TLB anymore. If in doubt, say "N". +config DEBUG_STRICT_USER_COPY_CHECKS + bool "Strict copy size checks" + depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING + ---help--- + Enabling this option turns a certain set of sanity checks for user + copy operations into compile time failures. + + The copy_from_user() etc checks are there to help test if there + are sufficient security checks on the length argument of + the copy operation, by having gcc prove that the argument is + within bounds. + + If unsure, or if you run an older (pre 4.4) gcc, say N. + endmenu |