On Thu, Aug 27, 2020 at 12:52:26AM +1000, Nicholas Piggin wrote: > It would be nice to be able to modify mmu_context functions or add a > hook without updating all architectures, many of which will be no-ops. > > The motivation for this series is a change to lazy mmu handling, but > this series stands on its own as a good cleanup whether or not we end > up making that change. I really like this series, I just have some small comments in reply to patch 1, otherwise feel free to add Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> > Arnd, is this something you could take through your asm-generic tree? > (assuming arch maintainers are okay with it) > > Thanks, > Nick > > Since v1: > - Added acks and feedback from various people. > - Fixed a nommu build error caught by ktp. > - Dropped unicore32. > > Nicholas Piggin (23): > asm-generic: add generic MMU versions of mmu context functions > alpha: use asm-generic/mmu_context.h for no-op implementations > arc: use asm-generic/mmu_context.h for no-op implementations > arm: use asm-generic/mmu_context.h for no-op implementations > arm64: use asm-generic/mmu_context.h for no-op implementations > csky: use asm-generic/mmu_context.h for no-op implementations > hexagon: use asm-generic/mmu_context.h for no-op implementations > ia64: use asm-generic/mmu_context.h for no-op implementations > m68k: use asm-generic/mmu_context.h for no-op implementations > microblaze: use asm-generic/mmu_context.h for no-op implementations > mips: use asm-generic/mmu_context.h for no-op implementations > nds32: use asm-generic/mmu_context.h for no-op implementations > nios2: use asm-generic/mmu_context.h for no-op implementations > openrisc: use asm-generic/mmu_context.h for no-op implementations > parisc: use asm-generic/mmu_context.h for no-op implementations > powerpc: use asm-generic/mmu_context.h for no-op implementations > riscv: use asm-generic/mmu_context.h for no-op implementations > s390: use asm-generic/mmu_context.h for no-op implementations > sh: use asm-generic/mmu_context.h for no-op implementations > sparc: use asm-generic/mmu_context.h for no-op implementations > um: use asm-generic/mmu_context.h for no-op implementations > x86: use asm-generic/mmu_context.h for no-op implementations > xtensa: use asm-generic/mmu_context.h for no-op implementations > > arch/alpha/include/asm/mmu_context.h | 12 ++--- > arch/arc/include/asm/mmu_context.h | 17 +++--- > arch/arm/include/asm/mmu_context.h | 26 ++------- > arch/arm64/include/asm/mmu_context.h | 9 ++-- > arch/csky/include/asm/mmu_context.h | 8 ++- > arch/hexagon/include/asm/mmu_context.h | 33 ++---------- > arch/ia64/include/asm/mmu_context.h | 17 ++---- > arch/m68k/include/asm/mmu_context.h | 47 +++------------- > arch/microblaze/include/asm/mmu_context.h | 2 +- > arch/microblaze/include/asm/mmu_context_mm.h | 8 +-- > arch/microblaze/include/asm/processor.h | 3 -- > arch/mips/include/asm/mmu_context.h | 11 ++-- > arch/nds32/include/asm/mmu_context.h | 10 +--- > arch/nios2/include/asm/mmu_context.h | 21 ++------ > arch/openrisc/include/asm/mmu_context.h | 8 ++- > arch/parisc/include/asm/mmu_context.h | 12 ++--- > arch/powerpc/include/asm/mmu_context.h | 22 +++----- > arch/riscv/include/asm/mmu_context.h | 22 +------- > arch/s390/include/asm/mmu_context.h | 9 ++-- > arch/sh/include/asm/mmu_context.h | 7 ++- > arch/sh/include/asm/mmu_context_32.h | 9 ---- > arch/sparc/include/asm/mmu_context_32.h | 10 ++-- > arch/sparc/include/asm/mmu_context_64.h | 10 ++-- > arch/um/include/asm/mmu_context.h | 12 ++--- > arch/x86/include/asm/mmu_context.h | 6 +++ > arch/xtensa/include/asm/mmu_context.h | 11 ++-- > arch/xtensa/include/asm/nommu_context.h | 26 +-------- > include/asm-generic/mmu_context.h | 57 +++++++++++++++----- > include/asm-generic/nommu_context.h | 19 +++++++ > 29 files changed, 166 insertions(+), 298 deletions(-) > create mode 100644 include/asm-generic/nommu_context.h > > -- > 2.23.0 > > -- Sincerely yours, Mike.
