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...isn't really any architecture specific code in this page table walk implementation, so drop the dependencies. Signed-off-by: Christoph Hellwig <hch at lst.de> --- mm/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/Kconfig b/mm/Kconfig index 56cec636a1fc..b18782be969c 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -677,8 +677,7 @@ config DEV_PAGEMAP_OPS config HMM_MIRROR bool "HMM mirror CPU page table into a device page table" - depends on (X86_64 || PPC64) - depends on MMU && 64BIT + depends on MMU select MMU_NOTIFIER help Select HM...

...on DEVICE_PRIVATE depends on DRM_NOUVEAU - depends on HMM_MIRROR + depends on MMU depends on STAGING + select HMM_MIRROR select MIGRATE_VMA_HELPER + select MMU_NOTIFIER default n help Say Y here if you want to enable experimental support for diff --git a/mm/Kconfig b/mm/Kconfig index b18782be969c..563436dc1f24 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -675,16 +675,14 @@ config MIGRATE_VMA_HELPER config DEV_PAGEMAP_OPS bool +# +# Helpers to mirror range of the CPU page tables of a process into device page +# tables. +# config HMM_MIRROR - bool "HMM mirror CPU page table into a d...

Hi Jérôme, Ben, Felix and Jason, below is a series against the hmm tree which cleans up various minor bits and allows HMM_MIRROR to be built on all architectures. Diffstat: 11 files changed, 94 insertions(+), 210 deletions(-) A git tree is also available at: git://git.infradead.org/users/hch/misc.git hmm-cleanups.2 Gitweb:

Hi Jérôme, Ben, Felxi and Jason, below is a series against the hmm tree which cleans up various minor bits and allows HMM_MIRROR to be built on all architectures. Diffstat: 7 files changed, 81 insertions(+), 171 deletions(-) A git tree is also available at: git://git.infradead.org/users/hch/misc.git hmm-cleanups Gitweb: