diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 11d349561ece3..659bdd079277e 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -383,6 +383,24 @@ config GCC_PLUGIN_SANCOV gcc-4.5 on). It is based on the commit "Add fuzzing coverage support" by Dmitry Vyukov <dvyukov@google.com>. +config GCC_PLUGIN_LATENT_ENTROPY + bool "Generate some entropy during boot and runtime" + depends on GCC_PLUGINS + help + By saying Y here the kernel will instrument some kernel code to + extract some entropy from both original and artificially created + program state. This will help especially embedded systems where + there is little 'natural' source of entropy normally. The cost + is some slowdown of the boot process (about 0.5%) and fork and + irq processing. + + Note that entropy extracted this way is not cryptographically + secure! + + This plugin was ported from grsecurity/PaX. More information at: + * https://grsecurity.net/ + * https://pax.grsecurity.net/ + config HAVE_CC_STACKPROTECTOR bool help |