diff options
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 7 | ||||
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 3 |
3 files changed, 9 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 573613d747ac..3de9993c5c65 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -354,9 +354,9 @@ interrupt_end_book3e: /* we can probably do a shorter exception entry for that one... */ EXCEPTION_COMMON(0x800, PACA_EXGEN, INTS_KEEP) bne 1f /* if from user, just load it up */ + INTS_DISABLE_ALL bl .save_nvgprs addi r3,r1,STACK_FRAME_OVERHEAD - INTS_RESTORE_HARD bl .kernel_fp_unavailable_exception BUG_OPCODE 1: ld r12,_MSR(r1) @@ -391,10 +391,9 @@ interrupt_end_book3e: /* Auxiliary Processor Unavailable Interrupt */ START_EXCEPTION(ap_unavailable); NORMAL_EXCEPTION_PROLOG(0xf20, PROLOG_ADDITION_NONE) - EXCEPTION_COMMON(0xf20, PACA_EXGEN, INTS_KEEP) - addi r3,r1,STACK_FRAME_OVERHEAD + EXCEPTION_COMMON(0xf20, PACA_EXGEN, INTS_DISABLE_ALL) bl .save_nvgprs - INTS_RESTORE_HARD + addi r3,r1,STACK_FRAME_OVERHEAD bl .unknown_exception b .ret_from_except diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index d8ff6d37fc4d..0fb42ae21694 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -762,8 +762,8 @@ fp_unavailable_common: EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN) bne 1f /* if from user, just load it up */ bl .save_nvgprs + DISABLE_INTS addi r3,r1,STACK_FRAME_OVERHEAD - ENABLE_INTS bl .kernel_fp_unavailable_exception BUG_OPCODE 1: bl .load_up_fpu @@ -782,8 +782,8 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) #endif bl .save_nvgprs + DISABLE_INTS addi r3,r1,STACK_FRAME_OVERHEAD - ENABLE_INTS bl .altivec_unavailable_exception b .ret_from_except @@ -798,8 +798,8 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFSET(CPU_FTR_VSX) #endif bl .save_nvgprs + DISABLE_INTS addi r3,r1,STACK_FRAME_OVERHEAD - ENABLE_INTS bl .vsx_unavailable_exception b .ret_from_except diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 5d40e592ffcb..a750409ccc4e 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -247,6 +247,9 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) addr, regs->nip, regs->link, code); } + if (!arch_irq_disabled_regs(regs)) + local_irq_enable(); + memset(&info, 0, sizeof(info)); info.si_signo = signr; info.si_code = code; |