On 2018-04-19 06:56 AM, Anders Roxell wrote: > On 28 March 2018 at 18:04, Christian König <christian.koenig at amd.com> wrote: >> Am 28.03.2018 um 17:53 schrieb Arnd Bergmann: >>> Building amdkfd without MMU notifiers is broken: >>> >>> In file included from drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c:28: >>> drivers/gpu/drm/amd/amdkfd/kfd_priv.h:584:22: error: field 'mmu_notifier' >>> has incomplete type >>> >>> This adds the missing 'select MMU_NOTIFIER' line to make it build >>> cleanly all the time. >>> >>> Signed-off-by: Arnd Bergmann <arnd at arndb.de> >> >> Acked-by: Christian König <christian.koenig at amd.com>, but I would wait on >> what Felix says to that. > Tested-by: Anders Roxell <anders.roxell at linaro.org> > > Randy sent the same patch [1] and its still required. > > Cheers, > Anders > [1] https://patchwork.kernel.org/patch/10340885/ Yes, looks good. I think this probably broke when we relaxed the dependency on iommuv2. Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> Regards,  Felix > >> >>> --- >>> drivers/gpu/drm/amd/amdkfd/Kconfig | 1 + >>> 1 file changed, 1 insertion(+) >>> >>> diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig >>> b/drivers/gpu/drm/amd/amdkfd/Kconfig >>> index ed2f06c9f346..5a26acb90e19 100644 >>> --- a/drivers/gpu/drm/amd/amdkfd/Kconfig >>> +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig >>> @@ -4,6 +4,7 @@ >>> config HSA_AMD >>> tristate "HSA kernel driver for AMD GPU devices" >>> + select MMU_NOTIFIER >>> depends on DRM_AMDGPU && X86_64 >>> imply AMD_IOMMU_V2 >>> help >>
