From: Kalle Valo <kvalo@codeaurora.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
kasan-dev@googlegroups.com, Dmitry Vyukov <dvyukov@google.com>,
Alexander Potapenko <glider@google.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Arend van Spriel <arend.vanspriel@broadcom.com>,
Franky Lin <franky.lin@broadcom.com>,
Hante Meuleman <hante.meuleman@broadcom.com>,
linux-wireless@vger.kernel.org,
brcm80211-dev-list.pdl@broadcom.com
Subject: Re: [PATCH v2 08/11] brcmsmac: make some local variables 'static const' to reduce stack size
Date: Thu, 15 Jun 2017 17:56:27 +0300 [thread overview]
Message-ID: <87mv99e1us.fsf@codeaurora.org> (raw)
In-Reply-To: <20170614211556.2062728-9-arnd@arndb.de> (Arnd Bergmann's message of "Wed, 14 Jun 2017 23:15:43 +0200")
Arnd Bergmann <arnd@arndb.de> writes:
> With KASAN and a couple of other patches applied, this driver is one
> of the few remaining ones that actually use more than 2048 bytes of
> kernel stack:
>
> broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function 'wlc_phy_workarounds_nphy_gainctrl':
> broadcom/brcm80211/brcmsmac/phy/phy_n.c:16065:1: warning: the frame size of 3264 bytes is larger than 2048 bytes [-Wframe-larger-than=]
> broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function 'wlc_phy_workarounds_nphy':
> broadcom/brcm80211/brcmsmac/phy/phy_n.c:17138:1: warning: the frame size of 2864 bytes is larger than 2048 bytes [-Wframe-larger-than=]
>
> Here, I'm reducing the stack size by marking as many local variables as
> 'static const' as I can without changing the actual code.
>
> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
I found the cover letter from lkml and apparently the plan is that
Andrew will pick these three brcmsmac patches, so I'll drop them in
wireless patchwork.
--
Kalle Valo
next prev parent reply other threads:[~2017-06-15 14:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170614211556.2062728-1-arnd@arndb.de>
2017-06-14 21:15 ` [PATCH v2 08/11] brcmsmac: make some local variables 'static const' to reduce stack size Arnd Bergmann
2017-06-15 14:56 ` Kalle Valo [this message]
2017-06-14 21:15 ` [PATCH v2 09/11] brcmsmac: split up wlc_phy_workarounds_nphy Arnd Bergmann
2017-06-14 21:15 ` [PATCH v2 10/11] brcmsmac: reindent split functions Arnd Bergmann
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=87mv99e1us.fsf@codeaurora.org \
--to=kvalo@codeaurora.org \
--cc=akpm@linux-foundation.org \
--cc=arend.vanspriel@broadcom.com \
--cc=arnd@arndb.de \
--cc=aryabinin@virtuozzo.com \
--cc=brcm80211-dev-list.pdl@broadcom.com \
--cc=dvyukov@google.com \
--cc=franky.lin@broadcom.com \
--cc=glider@google.com \
--cc=hante.meuleman@broadcom.com \
--cc=kasan-dev@googlegroups.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/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
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;
as well as URLs for NNTP newsgroup(s).