On Fri, Oct 25, 2019 at 10:24:30AM +0200, Michal Simek wrote: > Hi Mike, > > On 23. 10. 19 11:28, Mike Rapoport wrote: > > From: Mike Rapoport <rppt@xxxxxxxxxxxxx> > > > > microblaze has only two-level page tables and can use pgtable-nopmd and > > folding of the upper layers. > > > > Replace usage of include/asm-generic/4level-fixup.h and explicit definition > > of __PAGETABLE_PMD_FOLDED in microblaze with > > include/asm-generic/pgtable-nopmd.h and adjust page table manipulation > > macros and functions accordingly. > > > > Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> > > --- > > arch/microblaze/include/asm/page.h | 3 --- > > arch/microblaze/include/asm/pgalloc.h | 16 ---------------- > > arch/microblaze/include/asm/pgtable.h | 32 ++------------------------------ > > arch/microblaze/kernel/signal.c | 10 +++++++--- > > arch/microblaze/mm/init.c | 7 +++++-- > > arch/microblaze/mm/pgtable.c | 13 +++++++++++-- > > 6 files changed, 25 insertions(+), 56 deletions(-) > > I have take a look at this and when this is applied on the top of > 5.4-rc2 there is not a problem. > But as was reported by 0-day there is compilation issue on the top of > mmotm/master tree and I am able to replicate it. > It means there are other changes in Andrew's tree which are causing it. 0day is still using an old tree for mmotm: > url: https://github.com/0day-ci/linux/commits/Mike-Rapoport/mm-remove-__ARCH_HAS_4LEVEL_HACK/20191025-063009 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: microblaze-mmu_defconfig (attached as .config) A while ago Johannes moved the mmotm to github and the last commit in git.cmpxchg.org/linux-mmotm.git was in the end of August. [1] https://lore.kernel.org/linux-mm/20190916134327.GC29985@xxxxxxxxxxx > Thanks, > Michal > > -- > Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 > w: www.monstr.eu p: +42-0-721842854 > Maintainer of Linux kernel - Xilinx Microblaze > Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs > U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs > -- Sincerely yours, Mike.
