On Fri, Jan 06, 2017 at 01:32:34AM +0000, James Hogan wrote: > Export pgd_init(), pmd_init(), invalid_pmd_table and > tlbmiss_handler_setup_pgd to GPL kernel modules so that MIPS KVM can use > the inline page table management functions and switch between page > tables: > > - pgd_init() is used inline by pgd_alloc(), which KVM will use to > allocate page directory tables for GVA mappings. > > - pmd_init() will be used directly by KVM to initialise newly allocated > pmd tables with invalid lower level table pointers. > > - invalid_pmd_table is used by pud_present(), pud_none(), and > pud_clear(), which KVM will use to test and clear pud entries. > > - tlbmiss_handler_setup_pgd() will be called by KVM entry code to switch > to the appropriate GVA page tables. > > Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx> > Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> > Cc: "Radim Krčmář" <rkrcmar@xxxxxxxxxx> > Cc: linux-mips@xxxxxxxxxxxxxx > Cc: kvm@xxxxxxxxxxxxxxx Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Ralf
