Subject: Re: [PATCH v2 04/11] powerpc/64e/interrupt: use new interrupt return

From: Nicholas Piggin <[email-masked]>
Date: Wed, 17 Mar 2021 20:05:35 +1000

Excerpts from Christophe Leroy's message of March 16, 2021 8:49 pm:
> 
> 
> Le 16/03/2021 à 11:41, Nicholas Piggin a écrit :
>> Update the new C and asm interrupt return code to account for 64e
>> specifics, switch over to use it.
>> 
>> The now-unused old ret_from_except code, that was moved to 64e after the
>> 64s conversion, is removed.
>> 
>> Signed-off-by: Nicholas Piggin <[email-masked]>
>> ---
>>   arch/powerpc/include/asm/asm-prototypes.h |   2 -
>>   arch/powerpc/include/asm/ppc_asm.h        |  20 --
>>   arch/powerpc/kernel/asm-offsets.c         |  10 -
>>   arch/powerpc/kernel/exceptions-64e.S      | 321 ++--------------------
>>   arch/powerpc/kernel/irq.c                 |  76 -----
>>   5 files changed, 25 insertions(+), 404 deletions(-)
>> 
> 
>> diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
>> index 85ba2b0bc8d8..c880ad18b851 100644
>> --- a/arch/powerpc/kernel/asm-offsets.c
>> +++ b/arch/powerpc/kernel/asm-offsets.c
>> @@ -282,21 +282,11 @@ int main(void)
>>   	OFFSET(PACAHWCPUID, paca_struct, hw_cpu_id);
>>   	OFFSET(PACAKEXECSTATE, paca_struct, kexec_state);
>>   	OFFSET(PACA_DSCR_DEFAULT, paca_struct, dscr_default);
>> -	OFFSET(ACCOUNT_STARTTIME, paca_struct, accounting.starttime);
>> -	OFFSET(ACCOUNT_STARTTIME_USER, paca_struct, accounting.starttime_user);
>> -	OFFSET(ACCOUNT_USER_TIME, paca_struct, accounting.utime);
>> -	OFFSET(ACCOUNT_SYSTEM_TIME, paca_struct, accounting.stime);
>>   #ifdef CONFIG_PPC_BOOK3E
>>   	OFFSET(PACA_TRAP_SAVE, paca_struct, trap_save);
>>   #endif
>>   	OFFSET(PACA_SPRG_VDSO, paca_struct, sprg_vdso);
>>   #else /* CONFIG_PPC64 */
> 
> The #else is useless

Thanks. I'll hold off re posting until there is some more activity.

Thanks,
Nick