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Date: Fri, 11 Oct 2019 07:54:19 -0300
From: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To: Robert Richter <rrichter@...vell.com>
Cc: Borislav Petkov <bp@...en8.de>, Tony Luck <tony.luck@...el.com>,
James Morse <james.morse@....com>,
"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 12/19] EDAC: Store error type in struct
edac_raw_error_desc
Em Thu, 10 Oct 2019 20:25:29 +0000
Robert Richter <rrichter@...vell.com> escreveu:
> Store the error type in struct edac_raw_error_desc. This makes the
> type parameter of edac_raw_mc_handle_error() obsolete.
I don't see much gain on this change, but whatever works best for
ghes.
>
> Signed-off-by: Robert Richter <rrichter@...vell.com>
> ---
> drivers/edac/edac_mc.c | 8 ++++----
> drivers/edac/edac_mc.h | 4 +---
> drivers/edac/ghes_edac.c | 13 ++++++-------
> include/linux/edac.h | 1 +
> 4 files changed, 12 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
> index cdfb383f7a35..ca206854b8ee 100644
> --- a/drivers/edac/edac_mc.c
> +++ b/drivers/edac/edac_mc.c
> @@ -1040,15 +1040,14 @@ static void edac_ue_error(struct mem_ctl_info *mci,
> edac_inc_ue_error(mci, dimm, error_count);
> }
>
> -void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
> - struct mem_ctl_info *mci,
> +void edac_raw_mc_handle_error(struct mem_ctl_info *mci,
> struct dimm_info *dimm,
> struct edac_raw_error_desc *e)
> {
> char detail[80];
>
> /* Memory type dependent details about the error */
> - if (type == HW_EVENT_ERR_CORRECTED) {
> + if (e->type == HW_EVENT_ERR_CORRECTED) {
> snprintf(detail, sizeof(detail),
> "page:0x%lx offset:0x%lx grain:%ld syndrome:0x%lx",
> e->page_frame_number, e->offset_in_page,
> @@ -1095,6 +1094,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
> /* Fills the error report buffer */
> memset(e, 0, sizeof (*e));
> e->error_count = error_count;
> + e->type = type;
> e->top_layer = top_layer;
> e->mid_layer = mid_layer;
> e->low_layer = low_layer;
> @@ -1243,6 +1243,6 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
>
> dimm = edac_get_dimm(mci, top_layer, mid_layer, low_layer);
>
> - edac_raw_mc_handle_error(type, mci, dimm, e);
> + edac_raw_mc_handle_error(mci, dimm, e);
> }
> EXPORT_SYMBOL_GPL(edac_mc_handle_error);
> diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
> index 2c3e2fbcedc4..a8f1b5b5e873 100644
> --- a/drivers/edac/edac_mc.h
> +++ b/drivers/edac/edac_mc.h
> @@ -212,7 +212,6 @@ extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
> * edac_raw_mc_handle_error() - Reports a memory event to userspace without
> * doing anything to discover the error location.
> *
> - * @type: severity of the error (CE/UE/Fatal)
> * @mci: a struct mem_ctl_info pointer
> * @dimm: a struct dimm_info pointer
> * @e: error description
> @@ -221,8 +220,7 @@ extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
> * only be called directly when the hardware error come directly from BIOS,
> * like in the case of APEI GHES driver.
> */
> -void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
> - struct mem_ctl_info *mci,
> +void edac_raw_mc_handle_error(struct mem_ctl_info *mci,
> struct dimm_info *dimm,
> struct edac_raw_error_desc *e);
>
> diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
> index 4f5721cf4380..1db1c012bed9 100644
> --- a/drivers/edac/ghes_edac.c
> +++ b/drivers/edac/ghes_edac.c
> @@ -194,7 +194,6 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
> void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
> {
> struct dimm_info *dimm;
> - enum hw_event_mc_err_type type;
> struct edac_raw_error_desc *e;
> struct mem_ctl_info *mci;
> struct ghes_edac_pvt *pvt = ghes_pvt;
> @@ -232,17 +231,17 @@ void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
>
> switch (sev) {
> case GHES_SEV_CORRECTED:
> - type = HW_EVENT_ERR_CORRECTED;
> + e->type = HW_EVENT_ERR_CORRECTED;
> break;
> case GHES_SEV_RECOVERABLE:
> - type = HW_EVENT_ERR_UNCORRECTED;
> + e->type = HW_EVENT_ERR_UNCORRECTED;
> break;
> case GHES_SEV_PANIC:
> - type = HW_EVENT_ERR_FATAL;
> + e->type = HW_EVENT_ERR_FATAL;
> break;
> default:
> case GHES_SEV_NO:
> - type = HW_EVENT_ERR_INFO;
> + e->type = HW_EVENT_ERR_INFO;
> }
>
> edac_dbg(1, "error validation_bits: 0x%08llx\n",
> @@ -433,14 +432,14 @@ void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
> grain_bits = fls_long(e->grain);
> snprintf(pvt->detail_location, sizeof(pvt->detail_location),
> "APEI location: %s %s", e->location, e->other_detail);
> - trace_mc_event(type, e->msg, e->label, e->error_count,
> + trace_mc_event(e->type, e->msg, e->label, e->error_count,
> mci->mc_idx, e->top_layer, e->mid_layer, e->low_layer,
> (e->page_frame_number << PAGE_SHIFT) | e->offset_in_page,
> grain_bits, e->syndrome, pvt->detail_location);
>
> dimm = edac_get_dimm_by_index(mci, e->top_layer);
>
> - edac_raw_mc_handle_error(type, mci, dimm, e);
> + edac_raw_mc_handle_error(mci, dimm, e);
>
> spin_unlock_irqrestore(&ghes_lock, flags);
> }
> diff --git a/include/linux/edac.h b/include/linux/edac.h
> index 4d9673954856..587c53b87fdf 100644
> --- a/include/linux/edac.h
> +++ b/include/linux/edac.h
> @@ -463,6 +463,7 @@ struct edac_raw_error_desc {
> long grain;
>
> u16 error_count;
> + enum hw_event_mc_err_type type;
> int top_layer;
> int mid_layer;
> int low_layer;
Thanks,
Mauro
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