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Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
-rw-r--r--arch/powerpc/mm/hash_utils_64.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 44d3c3a38e3e..78dabf065ba9 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -193,8 +193,12 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags)
/*
* Kernel read only mapped with ppp bits 0b110
*/
- if (!(pteflags & _PAGE_WRITE))
- rflags |= (HPTE_R_PP0 | 0x2);
+ if (!(pteflags & _PAGE_WRITE)) {
+ if (mmu_has_feature(MMU_FTR_KERNEL_RO))
+ rflags |= (HPTE_R_PP0 | 0x2);
+ else
+ rflags |= 0x3;
+ }
} else {
if (pteflags & _PAGE_RWX)
rflags |= 0x2;
@@ -1029,6 +1033,10 @@ void hash__early_init_mmu_secondary(void)
{
/* Initialize hash table for that CPU */
if (!firmware_has_feature(FW_FEATURE_LPAR)) {
+
+ if (cpu_has_feature(CPU_FTR_POWER9_DD1))
+ update_hid_for_hash();
+
if (!cpu_has_feature(CPU_FTR_ARCH_300))
mtspr(SPRN_SDR1, _SDR1);
else