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

Thx.

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--

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