On Mon, Apr 22, 2024 at 09:27:18AM +0200, Geert Uytterhoeven wrote: > > +if IOMMUFD > > +config IOMMUFD_TEST > > + bool "IOMMU Userspace API Test support" > > + depends on DEBUG_KERNEL > > + depends on FAULT_INJECTION > > + depends on RUNTIME_TESTING_MENU > > + default n > > + help > > + This is dangerous, do not enable unless running > > + tools/testing/selftests/iommu > > +endif > > How dangerous is this? > I.e. is it now unsafe to run an allyesconfig or allmodconfig kernel? Depends what you mean by unsafe? This is less unsafe than /dev/mem, for instance.. It does nothing unless poked by userspace. > Probably this symbol should be tristate? It is not a seperate module. Jason