diff options
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index c9267acb699c..428aaf86c95b 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -40,6 +40,8 @@ #include "mm.h" +u64 idmap_t0sz = TCR_T0SZ(VA_BITS); + /* * Empty_zero_page is a special page that is used for zero-initialized data * and COW. @@ -454,6 +456,7 @@ void __init paging_init(void) */ cpu_set_reserved_ttbr0(); flush_tlb_all(); + cpu_set_default_tcr_t0sz(); } /* @@ -461,8 +464,10 @@ void __init paging_init(void) */ void setup_mm_for_reboot(void) { - cpu_switch_mm(idmap_pg_dir, &init_mm); + cpu_set_reserved_ttbr0(); flush_tlb_all(); + cpu_set_idmap_tcr_t0sz(); + cpu_switch_mm(idmap_pg_dir, &init_mm); } /* |