Re: [PATCH V3] acpi: apei: check for pending errors when probing GHES entries

From: Borislav Petkov
Date: Sun May 21 2017 - 09:42:45 EST


On Thu, May 18, 2017 at 03:22:42PM -0600, Tyler Baicar wrote:
> Check for pending errors when probing GHES entries. It is possible
> that a fatal error is already pending at this point, so we should
> handle it as soon as the driver is probed. This also avoids a
> potential issue if there was an interrupt that was already
> cleared for an error since the GHES driver wasn't present.
>
> V3: Check for pending errors of all GHES types
>
> Signed-off-by: Tyler Baicar <tbaicar@xxxxxxxxxxxxxx>
> ---
> drivers/acpi/apei/ghes.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index d0855c0..5347230 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -1039,6 +1039,9 @@ static int ghes_probe(struct platform_device *ghes_dev)
> }
> platform_set_drvdata(ghes_dev, ghes);
>
> + /* Handle any pending errors right away */
> + ghes_proc(ghes);
> +
> return 0;
> err_edac_unreg:
> ghes_edac_unregister(ghes);

Reviewed-by: Borislav Petkov <bp@xxxxxxx>

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Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)
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