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| author | Michal Marek <mmarek@suse.cz> | 2010-08-04 14:05:07 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 14:05:07 +0200 |
| commit | 7a996d3ab150bb0e1b71fa182f70199a703efdd1 (patch) | |
| tree | 96a36947d90c9b96580899abd38cb3b70cd9d40b /arch/s390/Kconfig.debug | |
| parent | 7cf3d73b4360e91b14326632ab1aeda4cb26308d (diff) | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
Merge commit 'v2.6.35' into kbuild/kconfig
Conflicts:
scripts/kconfig/Makefile
Diffstat (limited to 'arch/s390/Kconfig.debug')
| -rw-r--r-- | arch/s390/Kconfig.debug | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug index 2283933a9a9..45e0c6199f3 100644 --- a/arch/s390/Kconfig.debug +++ b/arch/s390/Kconfig.debug @@ -6,4 +6,17 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" +config DEBUG_STRICT_USER_COPY_CHECKS + bool "Strict user copy size checks" + ---help--- + Enabling this option turns a certain set of sanity checks for user + copy operations into compile time warnings. + + 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 |