diff options
Diffstat (limited to 'arch/powerpc/mm/book3s32/mmu.c')
| -rw-r--r-- | arch/powerpc/mm/book3s32/mmu.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index 69b2419accef..0a1c65a2c565 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -413,6 +413,7 @@ void __init MMU_init_hw(void) void __init MMU_init_hw_patch(void) { unsigned int hmask = Hash_mask >> (16 - LG_HPTEG_SIZE); + unsigned int hash; if (ppc_md.progress) ppc_md.progress("hash:patch", 0x345); @@ -424,8 +425,12 @@ void __init MMU_init_hw_patch(void) /* * Patch up the instructions in hashtable.S:create_hpte */ - modify_instruction_site(&patch__hash_page_A0, 0xffff, - ((unsigned int)Hash - PAGE_OFFSET) >> 16); + if (IS_ENABLED(CONFIG_VMAP_STACK)) + hash = (unsigned int)Hash; + else + hash = (unsigned int)Hash - PAGE_OFFSET; + + modify_instruction_site(&patch__hash_page_A0, 0xffff, hash >> 16); modify_instruction_site(&patch__hash_page_A1, 0x7c0, hash_mb << 6); modify_instruction_site(&patch__hash_page_A2, 0x7c0, hash_mb2 << 6); modify_instruction_site(&patch__hash_page_B, 0xffff, hmask); |