Re: [PATCH v8 0/3] mm/hmm/test: add self tests for HMM

From: Leon Romanovsky
Date: Sat Mar 21 2020 - 05:00:54 EST


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