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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1733753601; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NcY+tJijzQVoIIeE7DdMp5REE9aCf2/1GRWQOivsclU=; b=T8ObMk9TTgw+OsfR7Tvezvni+uXzpi/J9hVKoqg1lCdOSRbSKL0C8rgnN3yZUz2ZZn/Dlt PihQ+xraadFWE1ad4byl3HWExyOHbl87IHHdt4lty20/ihSu8olZ3Y+KEjiKHd/mwaVIkL 0EMBWfamXTAsTILv0V7nvNDmfByEmGI= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7C7AC113E; Mon, 9 Dec 2024 06:14:07 -0800 (PST) Received: from [10.163.51.127] (unknown [10.163.51.127]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5715B3F720; Mon, 9 Dec 2024 06:13:36 -0800 (PST) Message-ID: Date: Mon, 9 Dec 2024 19:43:32 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/execmem: Make ARCH_WANTS_EXECMEM_LATE depend on EXECMEM To: kernel test robot , linux-mm@kvack.org Cc: Paul Gazzillo , Necip Fazil Yildiran , oe-kbuild-all@lists.linux.dev, Catalin Marinas , Will Deacon , Andrew Morton , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20241209031251.515903-1-anshuman.khandual@arm.com> <202412092048.tTzJ5szH-lkp@intel.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: <202412092048.tTzJ5szH-lkp@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 3C9B21C0007 X-Stat-Signature: frn7u3p81w5ojxpbyh79ib5qo3uxqtpd X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1733753611-116450 X-HE-Meta: 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 0THVLUqg 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 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 12/9/24 18:06, kernel test robot wrote: > Hi Anshuman, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on akpm-mm/mm-everything] > > url: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/mm-execmem-Make-ARCH_WANTS_EXECMEM_LATE-depend-on-EXECMEM/20241209-111533 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/20241209031251.515903-1-anshuman.khandual%40arm.com > patch subject: [PATCH] mm/execmem: Make ARCH_WANTS_EXECMEM_LATE depend on EXECMEM > config: arm64-kismet-CONFIG_ARCH_WANTS_EXECMEM_LATE-CONFIG_ARM64-0-0 (https://download.01.org/0day-ci/archive/20241209/202412092048.tTzJ5szH-lkp@intel.com/config) > reproduce: (https://download.01.org/0day-ci/archive/20241209/202412092048.tTzJ5szH-lkp@intel.com/reproduce) > > 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://lore.kernel.org/oe-kbuild-all/202412092048.tTzJ5szH-lkp@intel.com/ > > kismet warnings: (new ones prefixed by >>) >>> kismet: WARNING: unmet direct dependencies detected for ARCH_WANTS_EXECMEM_LATE when selected by ARM64 > WARNING: unmet direct dependencies detected for ARCH_WANTS_EXECMEM_LATE > Depends on [n]: EXECMEM [=n] > Selected by [y]: > - ARM64 [=y] Although above mentioned config here has CONFIG_ARCH_WANTS_EXECMEM_LATE=y and CONFIG_EXECMEM=n (actually absent), could that really happen though ? Tried making CONFIG_EXECMEM=n (rather deselecting) but that did now allow setting CONFIG_EXECMEM=n, it always remained set. Reverting this patch i.e the current behaviour is also the same (CONFIG_EXECMEM always remains set). select ARCH_WANTS_EXECMEM_LATE if EXECMEM Above statement seems to be selecting EXECMEM as well but the intent seems to be a dependency check instead! OR arch selection for a config brings in all its dependencies as well. If the selection is always, should this change be like the following ? config ARCH_WANTS_EXECMEM_LATE bool selects EXECMEM Although a similar config ARCH_WANTS_EXECMEM_ROX is dependent on MMU and !HIGHMEM at the generic memory level.