From: Borislav Petkov <bp@amd64.org>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: "Niklas Söderlund" <niso@kth.se>,
"mchehab@redhat.com" <mchehab@redhat.com>,
"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] i7core_edac: fix erroneous size of static array
Date: Thu, 13 Oct 2011 21:14:48 +0200 [thread overview]
Message-ID: <20111013191448.GD3064@aftab> (raw)
In-Reply-To: <987664A83D2D224EAE907B061CE93D5301EE87A060@orsmsx505.amr.corp.intel.com>
On Thu, Oct 13, 2011 at 03:03:20PM -0400, Luck, Tony wrote:
> > - static int cols[8] = {
> > + static int cols[4] = {
>
> Why are these arrays "static"? Does that generate better code than
> dynamic initialization?
They look like lookup arrays for count of things based on bit settings
and as such they should be static because they don't ... change :). If
they were dynamic, then inlining them in every function callsite would
be not cool.
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
next prev parent reply other threads:[~2011-10-13 19:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-13 18:24 [PATCH] i7core_edac: fix erroneous size of static array Niklas Söderlund
2011-10-13 18:56 ` Borislav Petkov
2011-10-13 19:03 ` Luck, Tony
2011-10-13 19:14 ` Borislav Petkov [this message]
2011-10-13 20:04 ` Mauro Carvalho Chehab
2011-10-13 20:03 ` Niklas Söderlund
2011-10-13 20:06 ` Mauro Carvalho Chehab
2011-10-13 20:52 ` [PATCHv2] " Niklas Söderlund
2012-01-29 1:26 ` Niklas Söderlund
2012-01-29 2:01 ` Jesper Juhl
2012-01-29 22:04 ` [PATCHv3] " Niklas Söderlund
2012-01-29 22:14 ` Jesper Juhl
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