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[209.132.180.67]) by mx.google.com with ESMTP id g25si1053604otp.20.2020.02.13.04.47.25; Thu, 13 Feb 2020 04:47:38 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=FXIQhekr; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729674AbgBMMrS (ORCPT + 99 others); Thu, 13 Feb 2020 07:47:18 -0500 Received: from mail.skyhub.de ([5.9.137.197]:37530 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729544AbgBMMrS (ORCPT ); Thu, 13 Feb 2020 07:47:18 -0500 Received: from zn.tnic (p200300EC2F07F600746843EFEB191E44.dip0.t-ipconnect.de [IPv6:2003:ec:2f07:f600:7468:43ef:eb19:1e44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id C980E1EC0CE8; Thu, 13 Feb 2020 13:47:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1581598036; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=StBqtZPvE79wkxXiJ2x4Gd/HEg3noCDpRx9TLJvtPSc=; b=FXIQhekrypKY0KlO1GErh3yyKsdic272qs+rjQDs61gbfIgDJfzAGCFYGClcG4CQlf4zJy 2FHZWd2oD7IJrqgv2wZN3k3/43m4/UEYmslZInS0SQaVlCaB5un2KQWbUaCjzmp5xBww3b HLaFNxcYMptxyvLzhebxI4RYpBH54Dw= Date: Thu, 13 Feb 2020 13:47:08 +0100 From: Borislav Petkov To: Robert Richter Cc: Mauro Carvalho Chehab , Tony Luck , James Morse , Aristeu Rozanski , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v3 05/10] EDAC/mc: Create new function edac_inc_csrow() Message-ID: <20200213124708.GJ31799@zn.tnic> References: <20200123090210.26933-1-rrichter@marvell.com> <20200123090210.26933-6-rrichter@marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200123090210.26933-6-rrichter@marvell.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 23, 2020 at 09:02:58AM +0000, Robert Richter wrote: > Have a separate function to count errors in csrow/channel. This better > separates code and reduces the indentation level. No functional > changes. > > Signed-off-by: Robert Richter > Reviewed-by: Mauro Carvalho Chehab > Acked-by: Aristeu Rozanski > --- > 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 3c00c046acc9..e75cb7a9c454 100644 > --- a/drivers/edac/edac_mc.c > +++ b/drivers/edac/edac_mc.c > @@ -1091,6 +1091,26 @@ static void edac_ue_error(struct mem_ctl_info *mci, > edac_inc_ue_error(mci, enable_per_layer_report, pos, error_count); > } > > +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; Please sort function local variables declaration in a reverse christmas tree order: longest_variable_name; shorter_var_name; even_shorter; i; > + > + 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 mem_ctl_info *mci = error_desc_to_mci(e); > @@ -1258,22 +1278,12 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type, > chan = -2; > } > > - if (!e->enable_per_layer_report) { > + if (!e->enable_per_layer_report) > 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); Err, but this has functional changes: the !e->enable_per_layer_report case sets only the e->label and the else branch only does increment ->ce_count. Your change gets ->ce_count incremented in both cases. Why? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette