[RFC PATCH v1 2/3] apei: add ghes param for arch_apei_report_mem_error

Xie XiuQi
2017-09-05T02:20:12Z

Hi Borislav,

On 2017/9/1 19:15, Borislav Petkov wrote:
> n Fri, Sep 01, 2017 at 06:32:00PM +0800, Xie XiuQi wrote:
>> Add ghes param for arch_apei_report_mem_error, with which
>> we could do more arch-specific processing.
>>
>> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
>> ---
>> arch/x86/kernel/acpi/apei.c | 2 +-
>> drivers/acpi/apei/apei-base.c | 4 +++-
>> drivers/acpi/apei/ghes.c | 2 +-
>> include/acpi/apei.h | 4 +++-
>> include/acpi/ghes.h | 3 ++-
>> 5 files changed, 10 insertions(+), 5 deletions(-)
>>
>> diff --git a/arch/x86/kernel/acpi/apei.c b/arch/x86/kernel/acpi/apei.c
>> index ea3046e..1bf1c9b 100644
>> --- a/arch/x86/kernel/acpi/apei.c
>> +++ b/arch/x86/kernel/acpi/apei.c
>> @@ -46,7 +46,7 @@ int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data)
>> return 1;
>> }
>>
>> -void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
>> +void arch_apei_report_mem_error(struct ghes *ghes, int sev, struct cper_sec_mem_err *mem_err)
>> {
>> #ifdef CONFIG_X86_MCE
>> apei_mce_report_mem_error(sev, mem_err);
>> diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
>> index da370e1..317169b 100644
>> --- a/drivers/acpi/apei/apei-base.c
>> +++ b/drivers/acpi/apei/apei-base.c
>> @@ -38,6 +38,8 @@
>> #include <linux/debugfs.h>
>> #include <asm/unaligned.h>
>>
>> +#include <acpi/ghes.h>
>> +
>> #include "apei-internal.h"
>>
>> #define APEI_PFX "APEI: "
>> @@ -770,7 +772,7 @@ int __weak arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr,
>> }
>> EXPORT_SYMBOL_GPL(arch_apei_enable_cmcff);
>>
>> -void __weak arch_apei_report_mem_error(int sev,
>> +void __weak arch_apei_report_mem_error(struct ghes *ghes, int sev,
>> struct cper_sec_mem_err *mem_err)
>> {
>> }
>> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
>> index fa9400d..996d16c4 100644
>> --- a/drivers/acpi/apei/ghes.c
>> +++ b/drivers/acpi/apei/ghes.c
>> @@ -483,7 +483,7 @@ static void ghes_do_proc(struct ghes *ghes,
>>
>> ghes_edac_report_mem_error(ghes, sev, mem_err);
>>
>> - arch_apei_report_mem_error(sev, mem_err);
>> + arch_apei_report_mem_error(ghes, sev, mem_err);
>
> And next time you want to pass something else, you'll have to touch all
> those files again...
>
> Instead, make that a notifier to which consumers register and define
> a separate struct mem_err or ghes_err or whatnot and populate it with
> cper_sec_mem_err data and whatever else is needed by the consumers.
> Instead of passing that struct ghes * which consumers don't need to
> know.

OK, I'll add a notify chain here, thanks.

>
> Thx.
>

--
Thanks,
Xie XiuQi