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E036D140118; Thu, 6 Feb 2025 10:08:32 +0800 (CST) Received: from [10.173.127.72] (10.173.127.72) by kwepemd200019.china.huawei.com (7.221.188.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 6 Feb 2025 10:08:32 +0800 Subject: Re: kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC_8xx To: Christophe Leroy CC: Paul Gazzillo , Necip Fazil Yildiran , , , Andrew Morton , Linux Memory Management List , "linuxppc-dev@lists.ozlabs.org" , kernel test robot References: <202501240611.LDmD2nkj-lkp@intel.com> <29cf621d-db67-6c5c-0dc5-ebe79edc6cc6@huawei.com> <08a51873-7510-4552-9bb1-3ea7ef9fbc2d@csgroup.eu> From: Miaohe Lin Message-ID: <0c0c6af5-7766-6cc0-d141-d725b84bef09@huawei.com> Date: Thu, 6 Feb 2025 10:08:31 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <08a51873-7510-4552-9bb1-3ea7ef9fbc2d@csgroup.eu> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.173.127.72] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemd200019.china.huawei.com (7.221.188.193) X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 3089F140009 X-Stat-Signature: hy3tsxemtaf1u8khrcqo7o97np5wad7d X-Rspam-User: X-HE-Tag: 1738807716-309781 X-HE-Meta: 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iFINL+B02foM6lg/sG9VV0/KMJDe0bJR5qcEyOzl9EtKS2EKo7Sy/iRdgk9rqCI9+7wW1KIgOcZXiFiiM5RQYSgqrGJpAiMRVgcgRTbCaIDARrC9vpahhsnkFrlSzq86+8PHiCc2vzqHk+H7a74JDPRt21GQzid8xU4CdfqJR5m6XE7uG9S9lY2gSg3tysEFik8+LBrYQP5Oc7JIMFMJUkT//MxKD8pv2Ay6Gl57oxcdaYBtSOAmJM5KigME33ZLM8NXeo5RlEVE70HX2M6gM6iVVFssetx3iwhD5gsujIA9xZEtrpAjQfcLCa1CyL8jn4FnvHOusxYManF8GUtuFSUJSGCbMxdCsALOD1c4WcFLW5w0DoEOscqlC2bESz8WyG/C3p0CBsxseaisFWO+n26P5DL92WYMDdRxBWckxI26cmj0kqEmq6xCbhA== 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: List-Subscribe: List-Unsubscribe: On 2025/2/6 0:35, Christophe Leroy wrote: > > > Le 05/02/2025 à 03:39, Miaohe Lin a écrit : >> On 2025/1/24 6:24, kernel test robot wrote: >>> tree:   https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757464439%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=LU9lidWjjJE3vf0TPBp1wIvUFpjnpPKq2zQVxu4Ru%2F0%3D&reserved=0 master >>> head:   d0d106a2bd21499901299160744e5fe9f4c83ddb >>> commit: f8142cf94d4737ea0c3baffb3b9bad8addcb9b6b hugetlb: make hugetlb depends on SYSFS or SYSCTL >>> date:   2 years, 4 months ago >>> config: powerpc-kismet-CONFIG_HUGETLBFS-CONFIG_PPC_8xx-0-0 (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownload.01.org%2F0day-ci%2Farchive%2F20250124%2F202501240611.LDmD2nkj-lkp%40intel.com%2Fconfig&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757478112%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=9%2B4B2T41tw4xvlAkYIeOEhK9PrH17GM7KrhEOyKDxMM%3D&reserved=0) >>> reproduce: (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownload.01.org%2F0day-ci%2Farchive%2F20250124%2F202501240611.LDmD2nkj-lkp%40intel.com%2Freproduce&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757485680%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=SDjSwdEccwtqN8L4VzuYnAhq3nchpJdBi%2FaJGloeZ40%3D&reserved=0) >>> >>> If you fix the issue in a separate patch/commit (i.e. not just a new version of >>> the same patch/commit), kindly add following tags >>> | Reported-by: kernel test robot >>> | Closes: https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Foe-kbuild-all%2F202501240611.LDmD2nkj-lkp%40intel.com%2F&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757493154%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=DdGGMh1x6g6a%2F7hcgqmSBASk14QpA4%2F%2FmI2ztozklts%3D&reserved=0 >> >> Thanks for report. Sorry for late respond. I was on my Spring Festival vacation. >> >>> >>> kismet warnings: (new ones prefixed by >>) >>>>> kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC_8xx >>>     WARNING: unmet direct dependencies detected for HUGETLBFS >>>       Depends on [n]: (X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS [=y] || BROKEN [=n]) && (SYSFS [=n] || SYSCTL [=n]) >>>       Selected by [y]: >>>       - PPC_8xx [=y] && >> >> I am a bit confused. HUGETLBFS depends on SYSFS or SYSCTL. How can it be selected while SYSFS [=n] || SYSCTL [=n]? >> Or am I miss something? > > CONFIG_HUGETLBFS is selected by CONFIG_PPC_8xx, see commit 34536d780683 ("powerpc/8xx: Add a function to early map kernel via huge pages") Thanks for your providing. But I'm saying that since HUGETLBFS depends on (SYSFS or SYSCTL), how CONFIG_PPC_8xx succeeds to select it while SYSFS and SYSCTL are disabled? I'm not really familiar with Kconfig but I assume Kconfig will confirm that the dependencies are satisfied before HUGETLBFS is enabled. Or am I miss something? Thank. .