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Date: Thu, 31 May 2018 10:12:08 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: Linux-Next Mailing List <linux-next@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kees Cook <keescook@...omium.org> Subject: Re: linux-next: build warnings after merge of the kbuild tree Hi. (+CC Kees) 2018-05-31 7:40 GMT+09:00 Stephen Rothwell <sfr@...b.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@...ionext.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
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