Linux-EDAC Archive on lore.kernel.org
 help / color / Atom feed
From: Robert Richter <rrichter@marvell.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>, Tony Luck <tony.luck@intel.com>,
	"James Morse" <james.morse@arm.com>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 14/19] EDAC, mc: Create new function edac_inc_csrow()
Date: Mon, 14 Oct 2019 11:58:03 +0000
Message-ID: <20191014115757.fajnqzsn35qgqu7w@rric.localdomain> (raw)
In-Reply-To: <20191011080825.74932496@coco.lan>

On 11.10.19 08:08:25, Mauro Carvalho Chehab wrote:
> Em Thu, 10 Oct 2019 20:25:33 +0000
> Robert Richter <rrichter@marvell.com> escreveu:
> 
> > Have a separate function to count errors in csrow/channel. This better
> > separates code and reduces the indentation level. No functional
> > changes.
> 
> This one assumes patch 06/19, with I'm not sure if it is correct.

See also my answer there, the driver should still work as you expect
it even with patch #6 applied. This patch is important to isolate the
csrow handling that makes the code much better understandable and
readable. I hope there are no concerns to this patch.

Thank you for review.

-Robert

> 
> > 
> > Signed-off-by: Robert Richter <rrichter@marvell.com>
> > ---
> >  drivers/edac/edac_mc.c | 40 +++++++++++++++++++++++++---------------
> >  1 file changed, 25 insertions(+), 15 deletions(-)
> > 
> > diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
> > index 9e8c5716a8c0..3779204c0e21 100644
> > --- a/drivers/edac/edac_mc.c
> > +++ b/drivers/edac/edac_mc.c
> > @@ -1045,6 +1045,26 @@ static struct mem_ctl_info *error_desc_to_mci(struct edac_raw_error_desc *e)
> >  	return container_of(e, struct mem_ctl_info, error_desc);
> >  }
> >  
> > +static void edac_inc_csrow(struct edac_raw_error_desc *e, int row, int chan)
> > +{
> > +	struct mem_ctl_info *mci = error_desc_to_mci(e);
> > +	u16 count = e->error_count;
> > +	enum hw_event_mc_err_type type = e->type;
> > +
> > +	if (row < 0)
> > +		return;
> > +
> > +	edac_dbg(4, "csrow/channel to increment: (%d,%d)\n", row, chan);
> > +
> > +	if (type == HW_EVENT_ERR_CORRECTED) {
> > +		mci->csrows[row]->ce_count += count;
> > +		if (chan >= 0)
> > +			mci->csrows[row]->channels[chan]->ce_count += count;
> > +	} else {
> > +		mci->csrows[row]->ue_count += count;
> > +	}
> > +}
> > +
> >  void edac_raw_mc_handle_error(struct edac_raw_error_desc *e,
> >  			      struct dimm_info *dimm)
> >  {
> > @@ -1201,22 +1221,12 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
> >  			chan = -2;
> >  	}
> >  
> > -	if (any_memory) {
> > +	if (any_memory)
> >  		strcpy(e->label, "any memory");
> > -	} else {
> > -		edac_dbg(4, "csrow/channel to increment: (%d,%d)\n", row, chan);
> > -		if (p == e->label)
> > -			strcpy(e->label, "unknown memory");
> > -		if (type == HW_EVENT_ERR_CORRECTED) {
> > -			if (row >= 0) {
> > -				mci->csrows[row]->ce_count += error_count;
> > -				if (chan >= 0)
> > -					mci->csrows[row]->channels[chan]->ce_count += error_count;
> > -			}
> > -		} else
> > -			if (row >= 0)
> > -				mci->csrows[row]->ue_count += error_count;
> > -	}
> > +	else if (!*e->label)
> > +		strcpy(e->label, "unknown memory");
> > +
> > +	edac_inc_csrow(e, row, chan);
> >  
> >  	/* Fill the RAM location data */
> >  	p = e->location;
> 
> 
> 
> Thanks,
> Mauro

  reply index

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 20:25 [PATCH 00/19] EDAC: Rework edac_mc and ghes drivers Robert Richter
2019-10-10 20:25 ` [PATCH 01/19] EDAC: Replace EDAC_DIMM_PTR() macro with edac_get_dimm() function Robert Richter
2019-10-11  9:58   ` Mauro Carvalho Chehab
2019-10-11 11:38     ` Robert Richter
2019-10-10 20:25 ` [PATCH 02/19] EDAC: Remove EDAC_DIMM_OFF() macro Robert Richter
2019-10-11 10:09   ` Mauro Carvalho Chehab
2019-10-11 11:36     ` Robert Richter
2019-10-10 20:25 ` [PATCH 03/19] EDAC: Introduce mci_for_each_dimm() iterator Robert Richter
2019-10-11 10:14   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 04/19] EDAC, mc: Do not BUG_ON() in edac_mc_alloc() Robert Richter
2019-10-11 10:15   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 05/19] EDAC, mc: Reduce indentation level in edac_mc_handle_error() Robert Richter
2019-10-10 22:10   ` Joe Perches
2019-10-11  6:50     ` Robert Richter
2019-10-11 10:20     ` Mauro Carvalho Chehab
2019-10-11 10:50       ` Joe Perches
2019-10-11 12:08         ` Robert Richter
2019-10-11 14:49           ` Joe Perches
2019-10-11 10:17   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 06/19] EDAC, mc: Remove per layer counters Robert Richter
2019-10-11 10:40   ` Mauro Carvalho Chehab
2019-10-14 11:12     ` Robert Richter
2019-10-10 20:25 ` [PATCH 07/19] EDAC, mc: Rename iterator variable to idx Robert Richter
2019-10-11 10:41   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 08/19] EDAC, mc: Split edac_mc_alloc() into smaller functions Robert Richter
2019-10-11 10:43   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 09/19] EDAC, mc: Reorder functions edac_mc_alloc*() Robert Richter
2019-10-11 10:45   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 10/19] EDAC, mc: Rework edac_raw_mc_handle_error() to use struct dimm_info Robert Richter
2019-10-11 10:48   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 11/19] EDAC: Remove misleading comment in struct edac_raw_error_desc Robert Richter
2019-10-11 10:49   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 12/19] EDAC: Store error type " Robert Richter
2019-10-11 10:54   ` Mauro Carvalho Chehab
2019-10-14 11:47     ` Robert Richter
2019-10-10 20:25 ` [PATCH 13/19] EDAC, mc: Determine mci pointer from the error descriptor Robert Richter
2019-10-11 10:56   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 14/19] EDAC, mc: Create new function edac_inc_csrow() Robert Richter
2019-10-11 11:08   ` Mauro Carvalho Chehab
2019-10-14 11:58     ` Robert Richter [this message]
2019-10-10 20:25 ` [PATCH 15/19] EDAC, ghes: Use standard kernel macros for page calculations Robert Richter
2019-10-11 11:10   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 16/19] EDAC, ghes: Fix grain calculation Robert Richter
2019-10-11 11:22   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 17/19] EDAC, ghes: Remove intermediate buffer pvt->detail_location Robert Richter
2019-10-11 11:20   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 18/19] EDAC, ghes: Unify trace_mc_event() code with edac_mc driver Robert Richter
2019-10-11 11:23   ` Mauro Carvalho Chehab
2019-10-10 20:25 ` [PATCH 19/19] EDAC, Documentation: Describe CPER module definition and DIMM ranks Robert Richter
2019-10-11 11:29   ` Mauro Carvalho Chehab
2019-10-10 20:36 ` [PATCH 00/19] EDAC: Rework edac_mc and ghes drivers Robert Richter
2019-10-14 12:00 ` Robert Richter

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191014115757.fajnqzsn35qgqu7w@rric.localdomain \
    --to=rrichter@marvell.com \
    --cc=bp@alien8.de \
    --cc=james.morse@arm.com \
    --cc=linux-edac@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=tony.luck@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-EDAC Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-edac/0 linux-edac/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-edac linux-edac/ https://lore.kernel.org/linux-edac \
		linux-edac@vger.kernel.org
	public-inbox-index linux-edac

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-edac


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git