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| author | David S. Miller <davem@davemloft.net> | 2010-01-23 07:45:46 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-23 07:45:46 +0100 |
| commit | 6be325719b3e54624397e413efd4b33a997e55a3 (patch) | |
| tree | 57f321a56794cab2222e179b16731e0d76a4a68a /arch/sparc/Kconfig.debug | |
| parent | be2net: fix bug in rx page posting (diff) | |
| parent | Linux 2.6.33-rc5 (diff) | |
| download | linux-6be325719b3e54624397e413efd4b33a997e55a3.tar.xz linux-6be325719b3e54624397e413efd4b33a997e55a3.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/sparc/Kconfig.debug')
| -rw-r--r-- | arch/sparc/Kconfig.debug | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index 90d5fe223a74..9d3c889718ac 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -33,4 +33,18 @@ config FRAME_POINTER depends on MCOUNT default y +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 |