2015-08-18 8:36 GMT+03:00 Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>: > Andrey Ryabinin <ryabinin....@gmail.com> writes: > >> 2015-08-17 15:13 GMT+03:00 Andrey Ryabinin <ryabinin....@gmail.com>: >>> >>> Did you disable stack instrumentation (in scripts/Makefile.kasa), >>> or you version of gcc doesn't support it (e.g. like 4.9.x on x86) ? >>> >>> Because this can't work with stack instrumentation as you don't have shadow >>> for stack in early code. >>> >>> But this should be doable, as I think. All you need is to setup shadow for >>> init task's >>> stack before executing any instrumented function. >> >> And you also need to define CONFIG_KASAN_SHADOW_OFFSET, so it will be >> passed to GCC >> via -fasan-shadow-offset= option. > > I am using KASAN minimal config. Hence this was not needed. Do we need > to pass that option for outline instrumentation ? If not it would be a > good idea to split that out and make it depend on KASAN_INLINE >
We need to pass this for stack instrumentation too. > -aneesh > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
