From: Joe Perches <joe@perches•com>
To: Felix Fietkau <nbd@nbd•name>,
netdev@vger•kernel.org, linux-wireless@vger•kernel.org,
b43-dev@lists•infradead.org, bridge@lists•linux-foundation.org,
netfilter-devel@vger•kernel.org, coreteam@netfilter•org
Cc: linux-kernel@vger•kernel.org,
brcm80211-dev-list.pdl@broadcom•com,
brcm80211-dev-list@cypress•com
Subject: Re: [PATCH 00/12] Ethernet: Add and use ether_<type>_addr globals
Date: Thu, 05 Apr 2018 06:51:32 -0700 [thread overview]
Message-ID: <1522936292.11185.15.camel@perches.com> (raw)
In-Reply-To: <e0ab9616-64fa-cdbc-7a77-7e25d70c1a52@nbd.name>
On Thu, 2018-04-05 at 15:27 +0200, Felix Fietkau wrote:
> On 2018-03-31 09:05, Joe Perches wrote:
> > There are many local static and non-static arrays that are used for
> > Ethernet broadcast address output or comparison.
> >
> > Centralize the array into a single separate file and remove the local
> > arrays.
>
> I suspect that for many targets and configurations, the local arrays
> might actually be smaller than exporting a global.
I tried x86-64 allnoconfig and defconfig.
Those both did not increase vmlinux size.
The defconfig actually got smaller, but that might have been
some object alignment oddity.
> You have to factor in
> not just the .text size, but the fact that referencing an exported
> symbol needs a .reloc entry as well, which also eats up some space (at
> least when the code is being built as module).
Thanks, the modules I built got smaller.
> In my opinion, your series probably causes more bloat in common
> configurations instead of reducing it.
>
> You're also touching several places that could easily use
> eth_broadcast_addr and eth_zero_addr. I think making those changes would
> be more productive than what you did in this series.
Doubtful. AFAIK: possible unaligned addresses.
next prev parent reply other threads:[~2018-04-05 13:51 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-31 7:05 [PATCH 00/12] Ethernet: Add and use ether_<type>_addr globals Joe Perches
2018-03-31 7:05 ` [PATCH 01/12] ethernet: Add generic ether_<foo>_addr addresses Joe Perches
2018-03-31 7:05 ` [PATCH 02/12] treewide/net: Rename eth_stp_addr to ether_stp_addr Joe Perches
2018-03-31 17:36 ` Andrew Lunn
2018-03-31 18:01 ` Joe Perches
2018-03-31 18:34 ` [PATCH V2] " Joe Perches
2018-04-01 18:07 ` David Miller
2018-04-01 0:18 ` [PATCH 02/12] " kbuild test robot
2018-03-31 7:05 ` [PATCH 03/12] net: mac80211: Use global ether_broadcast_addr Joe Perches
2018-03-31 7:05 ` [PATCH 04/12] bridge: netfilter: Use the new global ether_<foo>_addr arrays Joe Perches
2018-03-31 18:28 ` Pablo Neira Ayuso
2018-03-31 18:40 ` Joe Perches
2018-03-31 7:05 ` [PATCH 05/12] net: atm: Use ether_broadcast_addr Joe Perches
2018-03-31 7:05 ` [PATCH 06/12] wireless: Convert simple uses of a static const Ethernet broadcast address Joe Perches
[not found] ` <79196f134a513d50968e8e208a0e56b3c0236ee3.1522479607.git.joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2018-03-31 14:01 ` Pkshih
2018-03-31 14:33 ` Joe Perches
2018-04-05 12:39 ` Kalle Valo
2018-04-05 12:48 ` Kalle Valo
2018-03-31 7:05 ` [PATCH 07/12] brcmfmac: Convert ALLFFMAC to ether_broadcast_addr Joe Perches
2018-04-05 19:00 ` Arend van Spriel
2018-03-31 7:05 ` [PATCH 08/12] iwlegacy: Remove EXPORT_SYMBOL(il_bcast_addr) and use ether_broadcast_addr Joe Perches
2018-03-31 7:05 ` [PATCH 09/12] iwlwifi: Remove local iwl_bcast_addr " Joe Perches
2018-07-07 7:40 ` Luciano Coelho
2018-09-07 10:46 ` Luciano Coelho
2018-03-31 7:05 ` [PATCH 10/12] mvpp2: Use ether_broadcast_addr instead of a local array Joe Perches
2018-03-31 7:05 ` [PATCH 11/12] qlogic: Convert local bcast_addr to global ether_broadcast_addr Joe Perches
2018-03-31 7:05 ` [PATCH 12/12] ethernet: Use ether_zero_addr instead of local statics Joe Perches
2018-04-05 13:27 ` [PATCH 00/12] Ethernet: Add and use ether_<type>_addr globals Felix Fietkau
2018-04-05 13:51 ` Joe Perches [this message]
2018-04-05 14:05 ` Felix Fietkau
Reply instructions:
You may reply publicly 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=1522936292.11185.15.camel@perches.com \
--to=joe@perches$(echo .)com \
--cc=b43-dev@lists$(echo .)infradead.org \
--cc=brcm80211-dev-list.pdl@broadcom$(echo .)com \
--cc=brcm80211-dev-list@cypress$(echo .)com \
--cc=bridge@lists$(echo .)linux-foundation.org \
--cc=coreteam@netfilter$(echo .)org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-wireless@vger$(echo .)kernel.org \
--cc=nbd@nbd$(echo .)name \
--cc=netdev@vger$(echo .)kernel.org \
--cc=netfilter-devel@vger$(echo .)kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox