On 03/02/2017 07:38 PM, Arnd Bergmann wrote:
> > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 97d62c2da6c2..27c838c40a36 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -216,10 +216,9 @@ config ENABLE_MUST_CHECK > config FRAME_WARN > int "Warn for stack frames larger than (needs gcc 4.4)" > range 0 8192 > - default 0 if KASAN > - default 2048 if GCC_PLUGIN_LATENT_ENTROPY > + default 3072 if KASAN_EXTRA > default 1024 if !64BIT > - default 2048 if 64BIT > + default 1280 if 64BIT This looks unrelated. Also, it means that now we have 1280 with KASAN=y && KASAN_EXTRA=n. Judging from changelog I assume that this hunk slipped here from the follow up series. > help > Tell gcc to warn at build time for stack frames larger than this. > Setting this too low will cause a lot of warnings. > @@ -499,7 +498,7 @@ config DEBUG_OBJECTS_ENABLE_DEFAULT > > config DEBUG_SLAB > bool "Debug slab memory allocations" > - depends on DEBUG_KERNEL && SLAB && !KMEMCHECK > + depends on DEBUG_KERNEL && SLAB && !KMEMCHECK && !KASAN > help > Say Y here to have the kernel do limited verification on memory > allocation as well as poisoning memory on free to catch use of freed > @@ -511,7 +510,7 @@ config DEBUG_SLAB_LEAK > > config SLUB_DEBUG_ON > bool "SLUB debugging on by default" > - depends on SLUB && SLUB_DEBUG && !KMEMCHECK > + depends on SLUB && SLUB_DEBUG && !KMEMCHECK && !KASAN Why? SLUB_DEBUG_ON works with KASAN. > default n > help > Boot with debugging on by default. SLUB boots by default with
