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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Linux-Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kees Cook <keescook@chromium.org>
Subject: Re: linux-next: build warnings after merge of the kbuild tree
Date: Thu, 31 May 2018 10:12:08 +0900	[thread overview]
Message-ID: <CAK7LNAQjVCPwfJ-opUkW3+XTM0uk9PSo3XiyGwCAMKkK05WnxA@mail.gmail.com> (raw)
In-Reply-To: <20180531084037.2f8b4c1e@canb.auug.org.au>

Hi.
(+CC Kees)

2018-05-31 7:40 GMT+09:00 Stephen Rothwell <sfr@canb.auug.org.au>:
> Hi Masahiro,
>
> After merging the kbuild tree, today's linux-next build (x86_64
> allmodconfig) produced these warnings:
>
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function 'wlc_phy_workarounds_nphy_rev7':
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:16563:1: warning: the frame size of 3136 bytes is larger than 2048 bytes [-Wframe-larger-than=]
>  }
>  ^
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function 'wlc_phy_workarounds_nphy_rev3':
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:16905:1: warning: the frame size of 2872 bytes is larger than 2048 bytes [-Wframe-larger-than=]
>  }
>  ^
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c: In function 'wlc_phy_cal_txiqlo_nphy':
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:26033:1: warning: the frame size of 2432 bytes is larger than 2048 bytes [-Wframe-larger-than=]
>  }
>  ^
>
> I have no idea what caused these warnings to appear ... nothing in those
> functions looks too bad.


This has been triggered by the following commit:


commit 0e461945f3504e09b8ecf947b6398adce1287a28
Author: Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Mon May 28 18:22:07 2018 +0900

    gcc-plugins: allow to enable GCC_PLUGINS for COMPILE_TEST



CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL was previously disabled
for COMPILE_TEST, which is now enabled.



COMPILE_TEST now enables GCC plugin for wider test coverage,
this is a good thing in general.





-- 
Best Regards
Masahiro Yamada

  reply	other threads:[~2018-05-31  1:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-30 22:40 linux-next: build warnings after merge of the kbuild tree Stephen Rothwell
2018-05-31  1:12 ` Masahiro Yamada [this message]
2018-05-31  1:26   ` Kees Cook
2018-05-31  3:53     ` Kees Cook
2018-06-01  1:56       ` Masahiro Yamada
2018-06-01  4:01         ` Kees Cook
2018-06-02 20:39           ` Arnd Bergmann
2018-06-04  8:39             ` Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2022-06-01 23:28 Stephen Rothwell
2019-09-04  0:13 Stephen Rothwell
2019-09-04  1:00 ` Masahiro Yamada
2019-09-04  6:22   ` Masahiro Yamada
2019-09-04 12:33     ` Stephen Rothwell
2019-09-04 12:32   ` Stephen Rothwell
2017-07-19  0:05 Stephen Rothwell
2016-08-17  1:44 Stephen Rothwell
2016-08-17 12:59 ` Michal Marek
2016-08-18  1:09   ` Nicholas Piggin
2016-08-19  3:38     ` Stephen Rothwell
2016-08-19  5:09       ` Stephen Rothwell
2016-08-19  5:32         ` Nicholas Piggin
2016-08-19  8:37         ` Michal Marek
2016-08-19 10:44           ` Nicholas Piggin
2016-08-22 10:47             ` Nicholas Piggin
2016-08-26  3:58               ` Nicholas Piggin
2016-08-26  6:21                 ` Nicholas Mc Guire
2016-06-09  2:22 Stephen Rothwell
2016-06-09  2:56 ` Kees Cook
2016-06-09  4:05   ` Stephen Rothwell
2016-06-09 10:57     ` Michal Marek
2016-06-09 17:37       ` Emese Revfy
2016-06-09 17:58         ` Kees Cook
2016-06-09 11:10     ` Michael Ellerman
2016-06-09 17:42 ` Emese Revfy

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