From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 5DDAF279DCA; Wed, 22 Oct 2025 20:35:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761165324; cv=none; b=hqKAVOLztHZ0ii2ewtWISWHz1sKIhghXT7IKnsQjb0FGepzYyj5is0DU1hZ+y2nagUO09Hcd8TcUYcqCHa28MLFeb4jN0vd/Bx3jn6fuSzGJMT40nbySuz1QHXEsSb/1xyUFyChSPZNxHLo//JBN4woWwPZBEm6aSt5WwfPxwDc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761165324; c=relaxed/simple; bh=UVYE2m+dfTC8L+h8OkbpueMO00XTqC0cIJ5IUlC3jFI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oSYtsPjtOYzIYg2LdvZMUFVkmPAu7h9lR98sRQeuKh/vqygcpzpqbpFTcrAo+o3fsHMtnOMOjlRkLo3S7YwcKSFFiBHvKDWSGSPOpXFFmwizFcAOH4t7IYpIniGyU0vjK03k4qUEZtvAE4VSMAfhgH88lsUVUro82zeow+mCmpo= 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=bMNd2+9P; arc=none smtp.client-ip=192.198.163.15 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="bMNd2+9P" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761165321; x=1792701321; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UVYE2m+dfTC8L+h8OkbpueMO00XTqC0cIJ5IUlC3jFI=; b=bMNd2+9PjXWCl1gCSE8ydNU/bdOgcd/BnMIzy8E28Sx4ZcH+QOdPdfEf 2qUjRwVS2fbzDFcUVglXvatC2Ol2tfo8MFaDiVvkNtITx5pn1GzvnBXk9 NXcgkx3vKTLHowOWKZ4A3ConbD34Oh7iYAwzY8QfoZATkxSZjp4xOvGq9 49MKLsF5VZlfg6SIRGagDnyr3rEmqpEQt0te1GnDsvnnzW3PVNVMhxoXo vIMPFhm3qY1etMWBDKHFygfop0hJsMuSjEDL1wYC3Kzz7AGaNwcmgdI9p SoKFv8jG++exP48XBvx2nqoA4zzEVw7KqRv8msnZumVDUlnYLGAHAVJpi g==; X-CSE-ConnectionGUID: 826GThlNQimTRcRSbtwVxw== X-CSE-MsgGUID: PSqgL3AnSNGXi0f3qERBaw== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="63420807" X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="63420807" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 13:35:21 -0700 X-CSE-ConnectionGUID: kwvg8BHhTeq3LPk10Ou7sg== X-CSE-MsgGUID: hXOMDYU6RfmVGxNjnZQgDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="214906268" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 22 Oct 2025 13:35:17 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vBfYB-000CiH-1x; Wed, 22 Oct 2025 20:35:15 +0000 Date: Thu, 23 Oct 2025 04:34:39 +0800 From: kernel test robot To: Hui Min Mina Chou , anup@brainfault.org, atish.patra@linux.dev, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr Cc: oe-kbuild-all@lists.linux.dev, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, tim609@andestech.com, minachou@andestech.com, ben717@andestech.com, az70021@gmail.com Subject: Re: [PATCH v2] RISC-V: KVM: flush VS-stage TLB after VCPU migration to prevent stale entries Message-ID: <202510230412.vKIvCmwU-lkp@intel.com> References: <20251021083105.4029305-1-minachou@andestech.com> Precedence: bulk X-Mailing-List: kvm@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: <20251021083105.4029305-1-minachou@andestech.com> Hi Hui, kernel test robot noticed the following build warnings: [auto build test WARNING on kvm/queue] [also build test WARNING on kvm/next mst-vhost/linux-next linus/master v6.18-rc2 next-20251022] [cannot apply to kvm/linux-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/Hui-Min-Mina-Chou/RISC-V-KVM-flush-VS-stage-TLB-after-VCPU-migration-to-prevent-stale-entries/20251021-163357 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20251021083105.4029305-1-minachou%40andestech.com patch subject: [PATCH v2] RISC-V: KVM: flush VS-stage TLB after VCPU migration to prevent stale entries config: riscv-randconfig-r072-20251023 (https://download.01.org/0day-ci/archive/20251023/202510230412.vKIvCmwU-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251023/202510230412.vKIvCmwU-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/202510230412.vKIvCmwU-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/riscv/kvm/vmid.c:126:6: warning: no previous prototype for 'kvm_riscv_local_tlb_sanitize' [-Wmissing-prototypes] 126 | void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvm_riscv_local_tlb_sanitize +126 arch/riscv/kvm/vmid.c 125 > 126 void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki