From: Borislav Petkov <bp@alien8.de>
To: Robert Richter <rrichter@marvell.com>
Cc: James Morse <james.morse@arm.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 10/24] EDAC, mc: Remove per layer counters
Date: Fri, 16 Aug 2019 11:24:49 +0200 [thread overview]
Message-ID: <20190816092449.GK18980@zn.tnic> (raw)
In-Reply-To: <20190624150758.6695-11-rrichter@marvell.com>
On Mon, Jun 24, 2019 at 03:09:15PM +0000, Robert Richter wrote:
> Looking at how mci->{ue,ce}_per_layer[EDAC_MAX_LAYERS] is used, it
> turns out that only the leaves in the memory hierarchy are consumed
> (in sysfs), but not the intermediate layers, e.g.:
>
> count = dimm->mci->ce_per_layer[dimm->mci->n_layers-1][dimm->idx];
>
> So let's get rid of the unused counters that just add complexity.
>
> Error counter values are directly stored in struct dimm_info now.
>
> Signed-off-by: Robert Richter <rrichter@marvell.com>
> ---
> drivers/edac/edac_mc.c | 98 ++++++++++++------------------------
> drivers/edac/edac_mc_sysfs.c | 20 +++-----
> drivers/edac/ghes_edac.c | 5 +-
> include/linux/edac.h | 7 ++-
> 4 files changed, 44 insertions(+), 86 deletions(-)
>
> diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
> index f2acdab34eb7..bce39b2e10c9 100644
> --- a/drivers/edac/edac_mc.c
> +++ b/drivers/edac/edac_mc.c
> @@ -313,10 +313,9 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
> struct csrow_info *csr;
> struct rank_info *chan;
> struct dimm_info *dimm;
> - u32 *ce_per_layer[EDAC_MAX_LAYERS], *ue_per_layer[EDAC_MAX_LAYERS];
> unsigned pos[EDAC_MAX_LAYERS];
> - unsigned size, tot_dimms = 1, count = 1;
> - unsigned tot_csrows = 1, tot_channels = 1, tot_errcount = 0;
> + unsigned size, tot_dimms = 1;
> + unsigned tot_csrows = 1, tot_channels = 1;
Pls fix those while touching this:
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
#48: FILE: drivers/edac/edac_mc.c:317:
+ unsigned size, tot_dimms = 1;
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
#49: FILE: drivers/edac/edac_mc.c:318:
+ unsigned tot_csrows = 1, tot_channels = 1;
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
next prev parent reply other threads:[~2019-08-16 9:24 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-24 15:08 [PATCH v2 00/24] EDAC, mc, ghes: Fixes and updates to improve memory error reporting Robert Richter
2019-06-24 15:08 ` [PATCH v2 01/24] EDAC, mc: Fix grain_bits calculation Robert Richter
2019-08-03 10:08 ` Borislav Petkov
2019-06-24 15:08 ` [PATCH v2 02/24] EDAC, ghes: Fix grain calculation Robert Richter
2019-08-09 13:15 ` Borislav Petkov
2019-08-12 6:42 ` Robert Richter
2019-08-12 7:32 ` Borislav Petkov
2019-08-12 12:05 ` Robert Richter
2019-08-12 12:38 ` Borislav Petkov
2019-06-24 15:08 ` [PATCH v2 03/24] EDAC, ghes: Remove pvt->detail_location string Robert Richter
2019-08-02 17:04 ` James Morse
2019-08-07 9:00 ` Robert Richter
2019-08-13 8:09 ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 04/24] EDAC, ghes: Unify trace_mc_event() code with edac_mc driver Robert Richter
2019-06-24 15:09 ` [PATCH v2 05/24] EDAC, mc: Fix and improve sysfs init functions Robert Richter
2019-08-13 8:26 ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 06/24] EDAC: Kill EDAC_DIMM_PTR() macro Robert Richter
2019-08-13 14:59 ` Borislav Petkov
2019-08-27 12:20 ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 07/24] EDAC: Kill EDAC_DIMM_OFF() macro Robert Richter
2019-08-14 14:52 ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 08/24] EDAC: Introduce mci_for_each_dimm() iterator Robert Richter
2019-08-14 15:18 ` Borislav Petkov
2019-08-28 8:18 ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 09/24] EDAC, mc: Cleanup _edac_mc_free() code Robert Richter
2019-08-14 16:31 ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 10/24] EDAC, mc: Remove per layer counters Robert Richter
2019-08-16 9:24 ` Borislav Petkov [this message]
2019-06-24 15:09 ` [PATCH v2 11/24] EDAC, mc: Rework edac_raw_mc_handle_error() to use struct dimm_info Robert Richter
2019-06-24 15:09 ` [PATCH v2 12/24] EDAC, ghes: Use standard kernel macros for page calculations Robert Richter
2019-08-02 17:04 ` James Morse
2019-08-07 9:52 ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 13/24] EDAC, ghes: Add support for legacy API counters Robert Richter
2019-08-16 9:55 ` Borislav Petkov
2019-08-30 9:35 ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 14/24] EDAC, ghes: Rework memory hierarchy detection Robert Richter
2019-08-20 8:56 ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 15/24] EDAC, ghes: Extract numa node information for each dimm Robert Richter
2019-08-02 17:05 ` James Morse
2019-08-09 13:09 ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 16/24] EDAC, ghes: Moving code around ghes_edac_register() Robert Richter
2019-06-24 15:09 ` [PATCH v2 17/24] EDAC, ghes: Create one memory controller device per node Robert Richter
2019-06-24 15:09 ` [PATCH v2 18/24] EDAC, ghes: Fill sysfs with the DMI DIMM label information Robert Richter
2019-06-24 15:09 ` [PATCH v2 19/24] EDAC, mc: Introduce edac_mc_alloc_by_dimm() for per dimm allocation Robert Richter
2019-06-24 15:09 ` [PATCH v2 20/24] EDAC, ghes: Identify dimm by node, card, module and handle Robert Richter
2019-06-24 15:09 ` [PATCH v2 21/24] EDAC, ghes: Enable per-layer reporting based on card/module Robert Richter
2019-06-24 15:09 ` [PATCH v2 22/24] EDAC, ghes: Move struct member smbios_handle to struct ghes_dimm_info Robert Richter
2019-06-24 15:09 ` [PATCH v2 23/24] EDAC, Documentation: Describe CPER module definition and DIMM ranks Robert Richter
2019-06-24 15:09 ` [PATCH v2 24/24] EDAC, ghes: Disable legacy API for ARM64 Robert Richter
2019-06-26 9:33 ` James Morse
2019-06-26 10:11 ` Robert Richter
2019-08-02 7:58 ` [PATCH v2 00/24] EDAC, mc, ghes: Fixes and updates to improve memory error reporting Robert Richter
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