linux-kernel - Re: [PATCH] acpi: apei: call into AER handling regardless of severity

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Date:   Mon, 28 Aug 2017 22:52:58 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Tyler Baicar <tbaicar@...eaurora.org>, bp@...e.de
Cc:     lenb@...nel.org, will.deacon@....com, james.morse@....com,
        prarit@...hat.com, punit.agrawal@....com, shiju.jose@...wei.com,
        andriy.shevchenko@...ux.intel.com, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] acpi: apei: call into AER handling regardless of severity

On Monday, August 28, 2017 7:11:54 PM CEST Tyler Baicar wrote:
> Currently the GHES code only calls into the AER driver for
> recoverable type errors. This is incorrect because errors of
> other severities do not get logged by the AER driver and do not
> get exposed to user space via the AER trace event. So, call
> into the AER driver for PCIe errors regardless of the severity.
> 
> Signed-off-by: Tyler Baicar <tbaicar@...eaurora.org>

Boris?

> ---
>  drivers/acpi/apei/ghes.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index d661d45..5cab238 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -489,9 +489,7 @@ static void ghes_do_proc(struct ghes *ghes,
>  		else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
>  			struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata);
>  
> -			if (sev == GHES_SEV_RECOVERABLE &&
> -			    sec_sev == GHES_SEV_RECOVERABLE &&
> -			    pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID &&
> +			if (pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID &&
>  			    pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) {
>  				unsigned int devfn;
>  				int aer_severity;
>