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Fri, 21 May 2021 01:11:11 -0700 (PDT) X-Gm-Message-State: AOAM530oVXoAR5F6jJ0mzPHU4N3ozMGrc2g+gZ05lTZKoU5D6xZp+HTZ Ye+QTeXY989ONwzC8BxY9EbgE8Ukcfb9AVqULIc= X-Google-Smtp-Source: ABdhPJzGVr6yY885aRLE6LADglReKlxABcgNEdBrl5oMCHciT3Zw4OrWUKxSERrfGB8zdR63SQzMb8g1OOi88Gc5Ewc= X-Received: by 2002:a5d:6dc4:: with SMTP id d4mr8471815wrz.105.1621584670833; Fri, 21 May 2021 01:11:10 -0700 (PDT) MIME-Version: 1.0 References: <202105200357.eXI65Gfu-lkp@intel.com> <9df0d465-d671-d970-4b45-61af014749c9@intel.com> <20210521005724.GA3353474@pl-dbox> In-Reply-To: <20210521005724.GA3353474@pl-dbox> From: Arnd Bergmann Date: Fri, 21 May 2021 10:09:54 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [kbuild-all] Re: [linux-stable-rc:linux-5.10.y 3189/5262] drivers/usb/dwc2/hcd.c:3835:6: warning: stack frame size of 1032 bytes in function 'dwc2_hcd_dump_state' To: Philip Li Cc: Rong Chen , kernel test robot , kbuild-all@lists.01.org, clang-built-linux , Greg Kroah-Hartman , Nathan Chancellor , Kees Cook , Andrew Morton , Linux Memory Management List , Masahiro Yamada Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:MGoKjVf+XSSdZvBkAzPH5I5ZK4VO0Dg76bBZvG+ERix++sKj/kW cVFaP1O2yn3uPpsdHATFmBnpki0ZfgtZUJffZ0S4Vkhee2whmrMwyphUUVOzPP0umFMH3c3 Bbpb7ewC4D5yv+XtLQ8HzNiYE5jsLotbHx3fHZhOuSvyVGjBRRXwNyOUmTVdOZESJL3npZ5 sPHM0LUiV38ppEOmjhxmg== X-UI-Out-Filterresults: notjunk:1;V03:K0:EqBSdZWb2EE=:TBFEbCYEYmUWm2J2y5st5Z 8Xm0XWf93uj2yHHEgCIRvQNSs7w/l5EOH6BSSV4tigVNk5o5Z6nM/BOZu9sFCr8v9EFquGn26 nTOlbKT7zmxTW5ltQJOpWSWsOEejKdzSEzukDgYOY4RgG6PHcdvpUwIVQ1wqJ2zf5GxL8A4Ab GxeS1yJuqNXli09+e0FKncQUM5zZCpdC17k2RoQBY6AwAqt7d2Ci363H/COgwsSLoztdeeEB/ lZICHce3XWJW1mpH2rsdAzGjdd5YIjYD3qYoAs7FxVNwJ7JuE9242PmKl7cS0tvOJ3lDio0Ps zGXQbusQuOSrBZqU25Qqhs9ZNnr1nTo5qu/GOqJVU4EC0GujA94dV3vlcvaLcrpd3G7qGcJ3+ Tq1K3BjyTF9S8X99u14CDZKqZPGH9s0dSAVDLuz1x3JMviUO1hH2KqYa6RsqaKGnRuXF1ySPB Ais1CpMacGZuJiPBnzVheNSVzyzXf3rtYlloj4Ks2eQ+93Z0yeECcQgVFYcREnVGa7jLdkqDV 1cGzQtF0USRIPmnlRASLnU= X-Rspamd-Queue-Id: 2A7AD40B8CF5 Authentication-Results: imf26.hostedemail.com; dkim=none; dmarc=none; spf=none (imf26.hostedemail.com: domain of arnd@arndb.de has no SPF policy when checking 212.227.126.130) smtp.mailfrom=arnd@arndb.de X-Rspamd-Server: rspam04 X-Stat-Signature: ctxy34wwedj1eqp4z5d63hzpbjxr75ta X-HE-Tag: 1621584672-991505 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, May 21, 2021 at 3:00 AM Philip Li wrote: > On Thu, May 20, 2021 at 05:56:35PM +0800, Rong Chen wrote: > > On 5/20/21 5:27 PM, Arnd Bergmann wrote: > > > On Thu, May 20, 2021 at 11:22 AM Rong Chen wrote: > > > > > > > > We have disabled CONFIG_UBSAN_ALIGNMENT for mips/clang in our kconfigs > > > > to avoid reporting such warnings again. > > > Thanks a lot, that helps. > > > > > > Have you considered always enforcing CONFIG_COMPILE_TEST=y for any > > > randconfig build? That would address this issue along with a number of similar > > Hi Arnd, thanks for feedback, we have talked about this internally. We use randconfig > to cover different combination, some randconfig would have CONFIG_COMPILE_TEST=y, some > is not. For now, we also want to check the kernel build status when COMPILE_TEST is > not set (as if this is a valid kconfig combination). Thus we may not always enforcing > the y here, but keep it as random as possible. Ok, I see. (Adding Masahiro Yamada) I think there was a patch in the past would let Kconfig detect whether a kernel is built using 'make randconfig', and add further dependencies based on this, to detect combinations that we want to avoid testing in such environments. Maybe we should revisit that and replace the 'depends on !COMPILE_TEST' checks. Arnd