I'll ask Andrew to put this in -mm if no objections. The series now doesn't touch other archs in non-trivial ways, and core code is functionally not changed much / at all if the option is not selected so it's actually pretty simple aside from the powerpc change. Thanks, Nick Excerpts from Nicholas Piggin's message of December 14, 2020 4:53 pm: > This is another rebase, on top of mainline now (don't need the > asm-generic tree), and without any x86 or membarrier changes. > This makes the series far smaller and more manageable and > without the controversial bits. > > Thanks, > Nick > > Nicholas Piggin (5): > lazy tlb: introduce lazy mm refcount helper functions > lazy tlb: allow lazy tlb mm switching to be configurable > lazy tlb: shoot lazies, a non-refcounting lazy tlb option > powerpc: use lazy mm refcount helper functions > powerpc/64s: enable MMU_LAZY_TLB_SHOOTDOWN > > arch/Kconfig | 30 ++++++++++ > arch/arm/mach-rpc/ecard.c | 2 +- > arch/powerpc/Kconfig | 1 + > arch/powerpc/kernel/smp.c | 2 +- > arch/powerpc/mm/book3s64/radix_tlb.c | 4 +- > fs/exec.c | 4 +- > include/linux/sched/mm.h | 20 +++++++ > kernel/cpu.c | 2 +- > kernel/exit.c | 2 +- > kernel/fork.c | 52 ++++++++++++++++ > kernel/kthread.c | 11 ++-- > kernel/sched/core.c | 88 ++++++++++++++++++++-------- > kernel/sched/sched.h | 4 +- > 13 files changed, 184 insertions(+), 38 deletions(-) > > -- > 2.23.0 > >
