diff options
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 16 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_40x.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_book3s_32.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_booke.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/fault.c | 2 |
7 files changed, 10 insertions, 26 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index e538ae73394d..76e1502b3e6f 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -221,22 +221,6 @@ ret_from_kernel_thread: b ret_from_syscall /* - * Top-level page fault handling. - * This is in assembler because if do_page_fault tells us that - * it is a bad kernel page fault, we want to save the non-volatile - * registers before calling bad_page_fault. - */ - .globl handle_page_fault -handle_page_fault: - bl do_page_fault - cmpwi r3,0 - beq+ ret_from_except - mr r4,r3 /* err arg for bad_page_fault */ - addi r3,r1,STACK_FRAME_OVERHEAD - bl __bad_page_fault - b ret_from_except_full - -/* * This routine switches between two different tasks. The process * state of one is saved on its kernel stack. Then the state * of the other is restored from its kernel stack. The memory diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index 08563d4170c6..a65778380704 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -207,7 +207,7 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt) */ START_EXCEPTION(0x0300, DataStorage) EXCEPTION_PROLOG DataStorage handle_dar_dsisr=1 - EXC_XFER_LITE(0x300, handle_page_fault) + EXC_XFER_LITE(0x300, do_page_fault) /* * 0x0400 - Instruction Storage Exception @@ -218,7 +218,7 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt) li r5,0 stw r5, _ESR(r11) /* Zero ESR */ stw r12, _DEAR(r11) /* SRR0 as DEAR */ - EXC_XFER_LITE(0x400, handle_page_fault) + EXC_XFER_LITE(0x400, do_page_fault) /* 0x0500 - External Interrupt Exception */ EXCEPTION(0x0500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE) diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index eb1d40a8f2c4..4078d0dc2f18 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -301,7 +301,7 @@ instruction_counter: .Litlbie: stw r12, _DAR(r11) stw r5, _DSISR(r11) - EXC_XFER_LITE(0x400, handle_page_fault) + EXC_XFER_LITE(0x400, do_page_fault) /* This is the data TLB error on the MPC8xx. This could be due to * many reasons, including a dirty update to a pte. We bail out to @@ -322,7 +322,7 @@ DARFixed:/* Return from dcbx instruction bug workaround */ tlbie r4 .Ldtlbie: /* 0x300 is DataAccess exception, needed by bad_page_fault() */ - EXC_XFER_LITE(0x300, handle_page_fault) + EXC_XFER_LITE(0x300, do_page_fault) #ifdef CONFIG_VMAP_STACK vmap_stack_overflow_exception diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S index 453f6ea959f9..e78b4a7c23af 100644 --- a/arch/powerpc/kernel/head_book3s_32.S +++ b/arch/powerpc/kernel/head_book3s_32.S @@ -299,7 +299,7 @@ ALT_MMU_FTR_SECTION_END_IFSET(MMU_FTR_HPTE_TABLE) lwz r5, _DSISR(r11) andis. r0, r5, DSISR_DABRMATCH@h bne- 1f - EXC_XFER_LITE(0x300, handle_page_fault) + EXC_XFER_LITE(0x300, do_page_fault) 1: EXC_XFER_STD(0x300, do_break) @@ -328,7 +328,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE) andis. r5,r9,DSISR_SRR1_MATCH_32S@h /* Filter relevant SRR1 bits */ stw r5, _DSISR(r11) stw r12, _DAR(r11) - EXC_XFER_LITE(0x400, handle_page_fault) + EXC_XFER_LITE(0x400, do_page_fault) /* External interrupt */ EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE) diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index 009a56d70d76..036a69d16605 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -462,7 +462,7 @@ label: stw r5,_ESR(r11); \ mfspr r4,SPRN_DEAR; /* Grab the DEAR */ \ stw r4, _DEAR(r11); \ - EXC_XFER_LITE(0x0300, handle_page_fault) + EXC_XFER_LITE(0x0300, do_page_fault) #define INSTRUCTION_STORAGE_EXCEPTION \ START_EXCEPTION(InstructionStorage) \ @@ -470,7 +470,7 @@ label: mfspr r5,SPRN_ESR; /* Grab the ESR and save it */ \ stw r5,_ESR(r11); \ stw r12, _DEAR(r11); /* Pass SRR0 as arg2 */ \ - EXC_XFER_LITE(0x0400, handle_page_fault) + EXC_XFER_LITE(0x0400, do_page_fault) #define ALIGNMENT_EXCEPTION \ START_EXCEPTION(Alignment) \ diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index f51c66f747ad..72e9aa45b99b 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -370,7 +370,7 @@ interrupt_base: stw r4, _DEAR(r11) andis. r10,r5,(ESR_ILK|ESR_DLK)@h bne 1f - EXC_XFER_LITE(0x0300, handle_page_fault) + EXC_XFER_LITE(0x0300, do_page_fault) 1: EXC_XFER_LITE(0x0300, CacheLockingException) diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index bea13682c909..0d4e4ff77e03 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -557,7 +557,7 @@ static long __do_page_fault(struct pt_regs *regs) if (likely(entry)) { instruction_pointer_set(regs, extable_fixup(entry)); return 0; - } else if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) { + } else if (!IS_ENABLED(CONFIG_PPC_BOOK3E_64)) { __bad_page_fault(regs, err); return 0; } else { |