linux/arch/s390/Kconfig.debug
Heiko Carstens 1dcec254af [S390] uaccess: implement strict user copy checks
Same as on x86 and sparc, besides the fact that enabling the option
will just emit compile time warnings instead of errors.
Keeps allyesconfig kernels compiling.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-02-26 22:37:29 +01:00

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menu "Kernel hacking"
config TRACE_IRQFLAGS_SUPPORT
bool
default y
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