From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 2F4B112B143; Wed, 22 Oct 2025 21:27:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761168448; cv=none; b=RiErbUgUJ2HW50d59742CvdJxajfWlk6cow43dbjBoG/Jv3RngFhVrnTMwLmZn8DkmsffqbuIacvXfxhw2OPzYT5KTnttnk/4pAWqHsBkesQZeoFsb7MLwSzpR058ulQS1GGCVyadHsrtuLmVLNh41S+ouJj9IfNM5Fvue/OQl4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761168448; c=relaxed/simple; bh=WiMs1xpZodP+AahM3EmYiWvuRtlOth2p+dvocAU0+Ps=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YktIdLJqtTZzjv6HiMTAfZZ5Emoo1rFcCSDTfK8HxgzlHdBkq1KlPCVq7030LqnFA5E/Eihlq2ptEsDOihyYZfbtEu7iMdCvHMy6Z6lvxYreg6NIhjWPbMeF2uVww0VOjWpwDBnhVuSyFKZD25y4aUEz55m8xWl8MiKbPjM0MmQ= 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=eAWO23LR; arc=none smtp.client-ip=198.175.65.19 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="eAWO23LR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761168446; x=1792704446; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=WiMs1xpZodP+AahM3EmYiWvuRtlOth2p+dvocAU0+Ps=; b=eAWO23LRSCZnKjJb4HLLnujfv2Qnv8M0qYYgx97bkq65nCrmTbLcWyaQ 3BcjEjKr6xOHu0WVv41+uE602042vhR6qyWUlkC4dYAxnA2yL++UIyvqD Mo6AFkNgEgPOApY+1JDC23H3mv6KUkiYnY5StitYJH++iV+pPZu7K+bgs 8yk+v0T7k4YMhEXgrfzMICUMo2OlOqfFpMlN6qILp6LbY9D1ncbNi4PWC s/imokez+LMKXoJUqKG4Cf2xuxjMZ8gTw2tROt4Wo7VmmzpztkXLhbf4d y23O78ZbwQxFeIidPlvI2xekVZWFisZbkMUQJ47hBqEOGDk+uKaklEayj Q==; X-CSE-ConnectionGUID: CqneaFuDSZmJmPcyt5LcQQ== X-CSE-MsgGUID: CBGuducgQve/k9OVhQKo6g== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="63223498" X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="63223498" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 14:27:26 -0700 X-CSE-ConnectionGUID: Hn3uYEjxSHWXFpHLNJbY2w== X-CSE-MsgGUID: IlNYzEUUQVWqYLMCZCVVfw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="189102196" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa005.jf.intel.com with ESMTP; 22 Oct 2025 14:27:22 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vBgMa-000Ck1-07; Wed, 22 Oct 2025 21:27:20 +0000 Date: Thu, 23 Oct 2025 05:27:01 +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: <202510230552.uCekjUFE-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-allmodconfig (https://download.01.org/0day-ci/archive/20251023/202510230552.uCekjUFE-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 754ebc6ebb9fb9fbee7aef33478c74ea74949853) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251023/202510230552.uCekjUFE-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/202510230552.uCekjUFE-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/riscv/kvm/vmid.c:126:6: warning: no previous prototype for function 'kvm_riscv_local_tlb_sanitize' [-Wmissing-prototypes] 126 | void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu) | ^ arch/riscv/kvm/vmid.c:126:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 126 | void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu) | ^ | static 1 warning generated. 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