Re: [PATCH v2 1/8] riscv: mm: Pre-allocate vmemmap/direct map PGD entries

Alexandre Ghiti writes: > Hi Björn, > > On Tue, May 14, 2024 at 4:05 PM Björn Töpel wrote: >> >> From: Björn Töpel >> >> The RISC-V port copies the PGD table from init_mm/swapper_pg_dir to >> all userland page tables, which means that if the PGD level table is >> changed, other page tables has

Re: [PATCH v2 1/8] riscv: mm: Pre-allocate vmemmap/direct map PGD entries

Hi Björn, On Tue, May 14, 2024 at 4:05 PM Björn Töpel wrote: > > From: Björn Töpel > > The RISC-V port copies the PGD table from init_mm/swapper_pg_dir to > all userland page tables, which means that if the PGD level table is > changed, other page tables has to be updated as well. > > Instead

[PATCH v2 1/8] riscv: mm: Pre-allocate vmemmap/direct map PGD entries

From: Björn Töpel The RISC-V port copies the PGD table from init_mm/swapper_pg_dir to all userland page tables, which means that if the PGD level table is changed, other page tables has to be updated as well. Instead of having the PGD changes ripple out to all tables, the synchronization can be