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| author |   Nicholas Piggin <npiggin@gmail.com> | 2021-12-02 00:41:49 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-12-09 22:40:24 +1100 |
| commit | af3a0ea41cbf38e967611e262126357d2fd23955 (patch) | |
| tree | 7c0c212d6ca4c8d95009570c3ba65ab9cc035882 /arch/powerpc/mm/pgtable.c | |
| parent | powerpc/64e: remove mmu_linear_psize (diff) | |
| download | linux-dev-af3a0ea41cbf38e967611e262126357d2fd23955.tar.xz linux-dev-af3a0ea41cbf38e967611e262126357d2fd23955.zip | |
powerpc/64s: Fix radix MMU when MMU_FTR_HPTE_TABLE is clear
There are a few places that require MMU_FTR_HPTE_TABLE to be set even
when running in radix mode. Fix those up.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211201144153.2456614-15-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/mm/pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index ce9482383144..abb3198bd277 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -81,9 +81,6 @@ static struct page *maybe_pte_to_page(pte_t pte) static pte_t set_pte_filter_hash(pte_t pte) { - if (radix_enabled()) - return pte; - pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); if (pte_looks_normal(pte) && !(cpu_has_feature(CPU_FTR_COHERENT_ICACHE) || cpu_has_feature(CPU_FTR_NOEXECUTE))) { @@ -112,6 +109,9 @@ static inline pte_t set_pte_filter(pte_t pte) { struct page *pg; + if (radix_enabled()) + return pte; + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) return set_pte_filter_hash(pte); @@ -144,6 +144,9 @@ static pte_t set_access_flags_filter(pte_t pte, struct vm_area_struct *vma, { struct page *pg; + if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) + return pte; + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) return pte; |