From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 483B1392C3D; Wed, 13 May 2026 23:28:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778714926; cv=none; b=s1ZoFUtfJznadwvadGnB1JA79PuTVaRSyLxixnCkIFJ3UqgT4ZAZS45uLBZtooca1nG55Td5EmU5q/08cMNrnrhQqoEPeyGvSmNP+mnA89D9LuT2PFJH21Q+x5oCAqdsj4Tw2wcp7DB/iOnUiNL58D4GMP+NyGv5Ca44af01r3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778714926; c=relaxed/simple; bh=VGgEMB5EKIsNc5CWmjGUhX9BKS0ky0V5gshwODGwgD8=; h=Date:From:To:Cc:Subject:Message-ID; b=XTWqmjO04vRarE0hET82fj5fRv41Q1rEH+xE7xUZpZt3oPJP+ej1slD0zwCXILC6rZLYgjPcswpjccfVZ9CEH3cuw1th08vo1XtAv4YKnc4v1H4o6G0noYYc99XVoIt8ivgxy/DO9WYmwMyhqD1oN8G5eMVmMY2k5WEgf6hxHEU= 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=Hj7W/CgY; arc=none smtp.client-ip=198.175.65.20 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="Hj7W/CgY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778714925; x=1810250925; h=date:from:to:cc:subject:message-id; bh=VGgEMB5EKIsNc5CWmjGUhX9BKS0ky0V5gshwODGwgD8=; b=Hj7W/CgYmS6hlirBnDaUIKx1uTPw65WpT+UkH4Sd+L6zoyBF5WlEwVTC 2yZqqWMhFzHS8rdxfllf3w0HtQtdjCSwPCxqXUnjCOeLNSpSbc91G+QSo FrPFGy3hoHxSocQpPSSy3S4qsGjPYTkbzY8t1M9pMXDCAdXckJsuwdlXa +Ls3zNEBx6YekolgPVzRkemfV6fuVJVthx+ZVLBlIy9WbnV0hCgT0vta6 I27+TPb6AonauDdMlt7NehrqxMhtZa9cZJzY1MIxfe5lb+6KUaFhgmcHZ PQNn94+zk2DTNSNZInV6vjPwXOCBYs6OT9T4LnxiEwIXRJKqdQ0VEl/D2 w==; X-CSE-ConnectionGUID: hM4q1gUIRN+ijSbEZGDmrw== X-CSE-MsgGUID: pMEbsT1STv6/kk7ZsOpvNA== X-IronPort-AV: E=McAfee;i="6800,10657,11785"; a="79367561" X-IronPort-AV: E=Sophos;i="6.23,233,1770624000"; d="scan'208";a="79367561" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 16:28:43 -0700 X-CSE-ConnectionGUID: LkEVrQh7QjqeN9dDdPHTkQ== X-CSE-MsgGUID: zzWylNItRmOFJftSff9gsg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,233,1770624000"; d="scan'208";a="276315694" Received: from lkp-server01.sh.intel.com (HELO dca79079c3eb) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 13 May 2026 16:28:42 -0700 Received: from kbuild by dca79079c3eb with local (Exim 4.98.2) (envelope-from ) id 1wNJ0J-000000005IH-0QMy; Wed, 13 May 2026 23:28:39 +0000 Date: Thu, 14 May 2026 07:27:56 +0800 From: kernel test robot To: Andrew Jones Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Anup Patel Subject: [avpatel:riscv_trace_acpi_support_v1 15/60] drivers/iommu/riscv/iommu-ir.c:325:13: error: call to undeclared function 'virt_to_pfn'; ISO C99 and later do not support implicit function declarations Message-ID: <202605140751.7BaPMVNq-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/avpatel/linux.git riscv_trace_acpi_support_v1 head: 893faf8dbff9fe0958fb1f32b778914af0fa1b45 commit: 3a2ee01e59297777c99794a5887e5e1109bbbf27 [15/60] iommu/riscv: Add guest file irqbypass support config: um-allmodconfig (https://download.01.org/0day-ci/archive/20260514/202605140751.7BaPMVNq-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260514/202605140751.7BaPMVNq-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/202605140751.7BaPMVNq-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/iommu/riscv/iommu-ir.c:10: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ >> drivers/iommu/riscv/iommu-ir.c:325:13: error: call to undeclared function 'virt_to_pfn'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 325 | .msiptp = virt_to_pfn(domain->msi_root) | | ^ drivers/iommu/riscv/iommu-ir.c:325:13: note: did you mean 'virt_to_pte'? arch/um/include/asm/pgtable.h:284:15: note: 'virt_to_pte' declared here 284 | extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); | ^ 1 warning and 1 error generated. vim +/virt_to_pfn +325 drivers/iommu/riscv/iommu-ir.c 306 307 static void riscv_iommu_ir_msiptp_update(struct riscv_iommu_domain *domain) 308 { 309 struct pt_iommu_riscv_64_hw_info pt_info, gstage_info; 310 struct riscv_iommu_device *iommu, *prev; 311 struct riscv_iommu_bond *bond; 312 struct riscv_iommu_dc new_dc; 313 314 pt_iommu_riscv_64_hw_info(&domain->riscvpt, &pt_info); 315 pt_iommu_riscv_64_hw_info(&domain->gstage_riscvpt, &gstage_info); 316 317 new_dc = (struct riscv_iommu_dc){ 318 .ta = FIELD_PREP(RISCV_IOMMU_PC_TA_PSCID, domain->pscid) | 319 RISCV_IOMMU_PC_TA_V, 320 .iohgatp = FIELD_PREP(RISCV_IOMMU_DC_IOHGATP_MODE, gstage_info.fsc_iosatp_mode) | 321 FIELD_PREP(RISCV_IOMMU_DC_IOHGATP_GSCID, domain->gscid) | 322 FIELD_PREP(RISCV_IOMMU_DC_IOHGATP_PPN, gstage_info.ppn), 323 .fsc = FIELD_PREP(RISCV_IOMMU_PC_FSC_MODE, pt_info.fsc_iosatp_mode) | 324 FIELD_PREP(RISCV_IOMMU_PC_FSC_PPN, pt_info.ppn), > 325 .msiptp = virt_to_pfn(domain->msi_root) | 326 FIELD_PREP(RISCV_IOMMU_DC_MSIPTP_MODE, 327 RISCV_IOMMU_DC_MSIPTP_MODE_FLAT), 328 .msi_addr_mask = domain->msi_addr_mask, 329 .msi_addr_pattern = domain->msi_addr_pattern, 330 }; 331 332 /* Like riscv_iommu_ir_msitbl_inval(), synchronize with riscv_iommu_bond_link() */ 333 smp_mb(); 334 335 rcu_read_lock(); 336 337 prev = NULL; 338 list_for_each_entry_rcu(bond, &domain->bonds, list) { 339 iommu = dev_to_iommu(bond->dev); 340 if (iommu == prev) 341 continue; 342 343 riscv_iommu_iodir_update(iommu, bond->dev, &new_dc); 344 prev = iommu; 345 } 346 347 rcu_read_unlock(); 348 } 349 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki