Excerpts from Christophe Leroy's message of February 5, 2021 6:09 pm:
>
>
> Le 30/01/2021 à 14:08, Nicholas Piggin a écrit :
>> Signed-off-by: Nicholas Piggin <npig...@gmail.com>
>> ---
>
>> diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
>> index f70d3f6174c8..7ff915aae8ec 100644
>> --- a/arch/powerpc/kernel/traps.c
>> +++ b/arch/powerpc/kernel/traps.c
>
>> @@ -1462,7 +1474,7 @@ static int emulate_math(struct pt_regs *regs)
>> static inline int emulate_math(struct pt_regs *regs) { return -1; }
>> #endif
>>
>> -void program_check_exception(struct pt_regs *regs)
>> +DEFINE_INTERRUPT_HANDLER(program_check_exception)
>> {
>> enum ctx_state prev_state = exception_enter();
>> unsigned int reason = get_reason(regs);
>> @@ -1587,14 +1599,14 @@ NOKPROBE_SYMBOL(program_check_exception);
>> * This occurs when running in hypervisor mode on POWER6 or later
>> * and an illegal instruction is encountered.
>> */
>> -void emulation_assist_interrupt(struct pt_regs *regs)
>> +DEFINE_INTERRUPT_HANDLER(emulation_assist_interrupt)
>> {
>> regs->msr |= REASON_ILLEGAL;
>> program_check_exception(regs);
>
> Is it correct that an INTERRUPT_HANDLER calls another INTERRUPT_HANDLER ?
No you're right, I'll have to send a patch.
Thanks,
Nick
