On Sat, Mar 21, 2020 at 10:27:46AM -0700, Ralph Campbell wrote: > > On 3/21/20 2:00 AM, Leon Romanovsky wrote: > > On Fri, Mar 20, 2020 at 05:31:05PM -0700, Ralph Campbell wrote: > > > This series adds basic self tests for HMM and are intended for Jason > > > Gunthorpe's rdma tree which has a number of HMM patches applied. > > > > > > Changes v7 -> v8: > > > Rebased to Jason's rdma/hmm tree, plus Jason's 6 patch series > > > "Small hmm_range_fault() cleanups". > > > Applied a number of changes from Jason's comments. > > > > > > Changes v6 -> v7: > > > Rebased to linux-5.6.0-rc6 > > > Reverted back to just using mmu_interval_notifier_insert() and making > > > this series only introduce HMM self tests. > > > > > > Changes v5 -> v6: > > > Rebased to linux-5.5.0-rc6 > > > Refactored mmu interval notifier patches > > > Converted nouveau to use the new mmu interval notifier API > > > > > > Changes v4 -> v5: > > > Added mmu interval notifier insert/remove/update callable from the > > > invalidate() callback > > > Updated HMM tests to use the new core interval notifier API > > > > > > Changes v1 -> v4: > > > https://lore.kernel.org/linux-mm/20191104222141.5173-1-rcampbell@xxxxxxxxxx > > > > > > Ralph Campbell (3): > > > mm/hmm/test: add selftest driver for HMM > > > mm/hmm/test: add selftests for HMM > > > MAINTAINERS: add HMM selftests > > > > > > MAINTAINERS | 3 + > > > include/uapi/linux/test_hmm.h | 59 ++ > > > > Isn't UAPI folder supposed to be for user-visible interfaces that follow > > the rule of non-breaking user space and not for selftests? > > > > Thanks > > > > Most of the other kernel module tests seem to invoke the test as part of the > module load/init. I'm open to moving it if there is a more appropriate location. Is it even possible to create a user mm_struct and put crazy things in it soley from a kernel module? Jason