From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 65210312827 for ; Mon, 5 May 2025 23:51:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746489069; cv=none; b=CNGlJ4n8nS9UR4s+CcJK0f3iXLSBOfkGnIBZnX5/2YDRvYHzaGMYJnDh1nUxBqSjYkA/fLkXXNb/EuxNt9LwWpeVGsenmWLHcguWY1t1pmrIg/iJIvMuWC3mXsJ3siYUtJA9Ti9+hKTkQoT2Kqxb+3dKwrQ6lRjuB6Fuh60NxF0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746489069; c=relaxed/simple; bh=0DSF7dHmV17QwKXNCFzP0+mA7qcPG4gxTwIbAzLc++c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=V3XGHNYjEiZpCTkOnQUa/xQs8TJpb3kiNS6ricBZEAgvGEcar8u4ISJ8N63yzaeE5aOGtvIWJGKd3SpxDHURG6ydRqJptmd4B3O+B34X/rAea2aGWoKCXfrxREyPswuCUfB0BseH7dQlCLq5LOt9o1izRNg/aWJQOvcIbpFL5nc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Ad+OBHlr; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ad+OBHlr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1746489068; x=1778025068; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0DSF7dHmV17QwKXNCFzP0+mA7qcPG4gxTwIbAzLc++c=; b=Ad+OBHlrXTzSfXW6E2CQKDKinCzWZDKtMKzMqGbVZAzqzNaun6SWPRjD gCqsJejkY1C0+eJDvHdQFSzUOk1zbzpPqEo4Iz5VV2eA8WhjnHptoHPTm 1hnDPUDpWmyuGfENItSXcFnxdTrhf9nAids8lmzytIM3kyMPTwE4Tu8GV Aos+5yFAMOIFwrA1YnZcpVnT/ZL2M5NIamYPzBGcqnmDaFhPOzbhY10WD 4PZ9HtUctPyaGT6YkJcUJXrHskzkUZI5OqsiCLvW4Wr0wYhQudIPyhGwG R4Ka79XpVwfev8IVxaQWBj2lYTB0YV4Hro7X35OiewAUJSp4ilqatrn/3 Q==; X-CSE-ConnectionGUID: 5NyW45pPQLuGYdGZ4FcW7g== X-CSE-MsgGUID: XEfhBtocTPiEWxXujoh/gA== X-IronPort-AV: E=McAfee;i="6700,10204,11424"; a="51939052" X-IronPort-AV: E=Sophos;i="6.15,264,1739865600"; d="scan'208";a="51939052" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2025 16:51:06 -0700 X-CSE-ConnectionGUID: B9ereCXyRtKibr91GbHSFA== X-CSE-MsgGUID: nRDOwKmBSD+5Q8l7GbvmPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,264,1739865600"; d="scan'208";a="172617724" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 05 May 2025 16:51:04 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uC5aO-00068L-2k; Mon, 05 May 2025 23:51:00 +0000 Date: Tue, 6 May 2025 07:50:59 +0800 From: kernel test robot To: Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, Ard Biesheuvel , Yeoreum Yun Subject: Re: [PATCH 1/3] arm64/boot: Move init_pgdir[] into __pi_ namespace Message-ID: <202505060740.OIkWGFVZ-lkp@intel.com> References: <20250503112137.1962910-6-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250503112137.1962910-6-ardb+git@google.com> Hi Ard, kernel test robot noticed the following build errors: [auto build test ERROR on soc/for-next] [also build test ERROR on arm/for-next arm/fixes linus/master v6.15-rc5 next-20250505] [cannot apply to arm64/for-next/core kvmarm/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/arm64-boot-Move-init_pgdir-into-__pi_-namespace/20250503-192534 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20250503112137.1962910-6-ardb%2Bgit%40google.com patch subject: [PATCH 1/3] arm64/boot: Move init_pgdir[] into __pi_ namespace config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20250506/202505060740.OIkWGFVZ-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250506/202505060740.OIkWGFVZ-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/202505060740.OIkWGFVZ-lkp@intel.com/ All errors (new ones prefixed by >>): arch/arm64/kernel/pi/map_kernel.c: In function 'remap_idmap_for_lpa2': >> arch/arm64/kernel/pi/map_kernel.c:191:37: error: 'init_pg_end' undeclared (first use in this function); did you mean 'init_pg_dir'? 191 | memset(init_pg_dir, 0, (u64)init_pg_end - (u64)init_pg_dir); | ^~~~~~~~~~~ | init_pg_dir arch/arm64/kernel/pi/map_kernel.c:191:37: note: each undeclared identifier is reported only once for each function it appears in arch/arm64/kernel/pi/map_kernel.c: In function 'early_map_kernel': arch/arm64/kernel/pi/map_kernel.c:222:37: error: 'init_pg_end' undeclared (first use in this function); did you mean 'init_pg_dir'? 222 | memset(__bss_start, 0, (u64)init_pg_end - (u64)__bss_start); | ^~~~~~~~~~~ | init_pg_dir vim +191 arch/arm64/kernel/pi/map_kernel.c 9684ec186f8fad Ard Biesheuvel 2024-02-14 158 9684ec186f8fad Ard Biesheuvel 2024-02-14 159 static void __init remap_idmap_for_lpa2(void) 9684ec186f8fad Ard Biesheuvel 2024-02-14 160 { 9684ec186f8fad Ard Biesheuvel 2024-02-14 161 /* clear the bits that change meaning once LPA2 is turned on */ 9684ec186f8fad Ard Biesheuvel 2024-02-14 162 pteval_t mask = PTE_SHARED; 9684ec186f8fad Ard Biesheuvel 2024-02-14 163 9684ec186f8fad Ard Biesheuvel 2024-02-14 164 /* 9684ec186f8fad Ard Biesheuvel 2024-02-14 165 * We have to clear bits [9:8] in all block or page descriptors in the 9684ec186f8fad Ard Biesheuvel 2024-02-14 166 * initial ID map, as otherwise they will be (mis)interpreted as 9684ec186f8fad Ard Biesheuvel 2024-02-14 167 * physical address bits once we flick the LPA2 switch (TCR.DS). Since 9684ec186f8fad Ard Biesheuvel 2024-02-14 168 * we cannot manipulate live descriptors in that way without creating 9684ec186f8fad Ard Biesheuvel 2024-02-14 169 * potential TLB conflicts, let's create another temporary ID map in a 9684ec186f8fad Ard Biesheuvel 2024-02-14 170 * LPA2 compatible fashion, and update the initial ID map while running 9684ec186f8fad Ard Biesheuvel 2024-02-14 171 * from that. 9684ec186f8fad Ard Biesheuvel 2024-02-14 172 */ 9684ec186f8fad Ard Biesheuvel 2024-02-14 173 create_init_idmap(init_pg_dir, mask); 9684ec186f8fad Ard Biesheuvel 2024-02-14 174 dsb(ishst); 9684ec186f8fad Ard Biesheuvel 2024-02-14 175 set_ttbr0_for_lpa2((u64)init_pg_dir); 9684ec186f8fad Ard Biesheuvel 2024-02-14 176 9684ec186f8fad Ard Biesheuvel 2024-02-14 177 /* 9684ec186f8fad Ard Biesheuvel 2024-02-14 178 * Recreate the initial ID map with the same granularity as before. 9684ec186f8fad Ard Biesheuvel 2024-02-14 179 * Don't bother with the FDT, we no longer need it after this. 9684ec186f8fad Ard Biesheuvel 2024-02-14 180 */ 9684ec186f8fad Ard Biesheuvel 2024-02-14 181 memset(init_idmap_pg_dir, 0, ecc54006f158ae Zenghui Yu 2024-06-21 182 (u64)init_idmap_pg_end - (u64)init_idmap_pg_dir); 9684ec186f8fad Ard Biesheuvel 2024-02-14 183 9684ec186f8fad Ard Biesheuvel 2024-02-14 184 create_init_idmap(init_idmap_pg_dir, mask); 9684ec186f8fad Ard Biesheuvel 2024-02-14 185 dsb(ishst); 9684ec186f8fad Ard Biesheuvel 2024-02-14 186 9684ec186f8fad Ard Biesheuvel 2024-02-14 187 /* switch back to the updated initial ID map */ 9684ec186f8fad Ard Biesheuvel 2024-02-14 188 set_ttbr0_for_lpa2((u64)init_idmap_pg_dir); 9684ec186f8fad Ard Biesheuvel 2024-02-14 189 9684ec186f8fad Ard Biesheuvel 2024-02-14 190 /* wipe the temporary ID map from memory */ 9684ec186f8fad Ard Biesheuvel 2024-02-14 @191 memset(init_pg_dir, 0, (u64)init_pg_end - (u64)init_pg_dir); 9684ec186f8fad Ard Biesheuvel 2024-02-14 192 } 9684ec186f8fad Ard Biesheuvel 2024-02-14 193 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki