2018-07-27 18:06 GMT+08:00 Will Deacon <will.deacon@xxxxxxx>:
> On Thu, Jul 26, 2018 at 05:01:47PM -0400, Dongjiu Geng wrote:
>> In order to remove the additional check before calling the
>> ghes_notify_sea(), make stub definition when !CONFIG_ACPI_APEI_SEA.
>>
>> Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx>
>> ---
>
> Acked-by: Will Deacon <will.deacon@xxxxxxx>
Will,
This patch will be applied, right? thanks
>
> Will
>
>> This cleanup is ever mentioned by Mark Rutland in [1]
>>
>> [1]:
>> https://lkml.org/lkml/2018/5/31/289
>> ---
>> arch/arm64/mm/fault.c | 7 +------
>> include/acpi/ghes.h | 4 ++++
>> 2 files changed, 5 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
>> index b8eecc7..9ffe01d 100644
>> --- a/arch/arm64/mm/fault.c
>> +++ b/arch/arm64/mm/fault.c
>> @@ -727,12 +727,7 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
>>
>> int handle_guest_sea(phys_addr_t addr, unsigned int esr)
>> {
>> - int ret = -ENOENT;
>> -
>> - if (IS_ENABLED(CONFIG_ACPI_APEI_SEA))
>> - ret = ghes_notify_sea();
>> -
>> - return ret;
>> + return ghes_notify_sea();
>> }
>>
>> asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int esr,
>> diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
>> index 1624e2b..82cb4eb 100644
>> --- a/include/acpi/ghes.h
>> +++ b/include/acpi/ghes.h
>> @@ -118,6 +118,10 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata)
>> (void *)section - (void *)(estatus + 1) < estatus->data_length; \
>> section = acpi_hest_get_next(section))
>>
>> +#ifdef CONFIG_ACPI_APEI_SEA
>> int ghes_notify_sea(void);
>> +#else
>> +static inline int ghes_notify_sea(void) { return -ENOENT; }
>> +#endif
>>
>> #endif /* GHES_H */
>> --
>> 1.9.1
>>
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