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 6C607257B for ; Sun, 23 Jun 2024 02:02:12 +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=1719108135; cv=none; b=EUYJ20elcQ6Vg5HW4DZ/BXiPy66Eb9kTJaL0GK7FGUVgQvhVgmXfjOUxHEk7sLrQCKCX2EvxsoXBBwaIErDDyY3d8tBY+EHO26fWlemgdGKE5OiwX9W7lACgXjqUODVMqBnjEC6tInT5gy5KkPAribUXXgM0B5k0KwGjUcYyUwg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719108135; c=relaxed/simple; bh=h1N9BbSsxrG7WSx3YjhjY6wHi48QSKB0RFaKMUWGCsA=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=WjMTsXmXm/C3jH2zrnUbIHQ8J6v3lToihDdEnzF4O+LUNR9hULdze7L7BSx9cSgsXrA8hskvTHNfpm6Bq/UsO2eiI4eOSnhraFJKd6NDv2dYwXI252FSnZ/ADMQ/LTPdVQPEK9TJ0xMqw+Xmo2cSmnML/W/ovQCWPr736X1l7eg= 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=SIPF7IN2; 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="SIPF7IN2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719108134; x=1750644134; h=date:from:to:cc:subject:message-id:mime-version; bh=h1N9BbSsxrG7WSx3YjhjY6wHi48QSKB0RFaKMUWGCsA=; b=SIPF7IN2KbLJzCDLRLSkk3GsUHtiDOzBOmS4vvm0J0NIdDhuxoR9FJuH +c+9PUEpOzP9yo7LKsmKUhrVVzHwTB+cYhBBzOJwTuPcPyN5VS1zx6Axo xsWHfaQo9wpOgBIHbT9+GvdvDjoMOaADSyl0ERU9JvSIFF5RwoRjdNCdm asFFtL1QkUbzGEuPgc9LoeqFw8hEmGo/HNgdQVpj5ywlkdB0SRZjk0o3h 46/ahbU7hpJDXMzDm2QK9hcG/TmetW6BB1U2iFV/PyfUk8zyAFbvXiPC+ Qs+8fHOnvM/KEihy2F042EKb3s1T6DLD2fv3LrwGJ1ChS94TX2NAY3OL3 w==; X-CSE-ConnectionGUID: kjcq3DQfROa9kA0oIo8iyQ== X-CSE-MsgGUID: igrgZzcmR6Sl9Cox10sUeg== X-IronPort-AV: E=McAfee;i="6700,10204,11111"; a="15938083" X-IronPort-AV: E=Sophos;i="6.08,259,1712646000"; d="scan'208";a="15938083" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2024 19:02:12 -0700 X-CSE-ConnectionGUID: PmUJVu4HQzSGm8LdDAbaxg== X-CSE-MsgGUID: db0Yfp9qQ/ihglgjzfD3Qg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,259,1712646000"; d="scan'208";a="42921677" Received: from lkp-server01.sh.intel.com (HELO 68891e0c336b) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 22 Jun 2024 19:02:10 -0700 Received: from kbuild by 68891e0c336b with local (Exim 4.96) (envelope-from ) id 1sLCYR-000A9e-23; Sun, 23 Jun 2024 02:02:07 +0000 Date: Sun, 23 Jun 2024 10:01:27 +0800 From: kernel test robot To: Andrew Jones Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Anup Patel , Atish Patra Subject: arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: restricted __le32 degrades to integer Message-ID: <202406230951.z2XjxdWg-lkp@intel.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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5f583a3162ffd9f7999af76b8ab634ce2dac9f90 commit: f072b272aa27d57cf7fe6fdedb30fb50f391974e RISC-V: KVM: Use correct restricted types date: 5 months ago config: riscv-randconfig-r113-20240623 (https://download.01.org/0day-ci/archive/20240623/202406230951.z2XjxdWg-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20240623/202406230951.z2XjxdWg-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/202406230951.z2XjxdWg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: restricted __le32 degrades to integer >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: restricted __le32 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 arch/riscv/kvm/vcpu_sbi_sta.c:65:13: sparse: sparse: restricted __le32 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:65:13: sparse: sparse: restricted __le32 degrades to integer >> arch/riscv/kvm/vcpu_sbi_sta.c:65:13: sparse: sparse: cast from restricted __le32 >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: restricted __le64 degrades to integer >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: restricted __le64 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: cast to restricted __le64 arch/riscv/kvm/vcpu_sbi_sta.c:72:17: sparse: sparse: restricted __le64 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:72:17: sparse: sparse: restricted __le64 degrades to integer >> arch/riscv/kvm/vcpu_sbi_sta.c:72:17: sparse: sparse: cast from restricted __le64 arch/riscv/kvm/vcpu_sbi_sta.c:76:9: sparse: sparse: restricted __le32 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:76:9: sparse: sparse: restricted __le32 degrades to integer arch/riscv/kvm/vcpu_sbi_sta.c:76:9: sparse: sparse: cast from restricted __le32 vim +59 arch/riscv/kvm/vcpu_sbi_sta.c 24 25 void kvm_riscv_vcpu_record_steal_time(struct kvm_vcpu *vcpu) 26 { 27 gpa_t shmem = vcpu->arch.sta.shmem; 28 u64 last_steal = vcpu->arch.sta.last_steal; 29 __le32 __user *sequence_ptr; 30 __le64 __user *steal_ptr; 31 __le32 sequence_le; 32 __le64 steal_le; 33 u32 sequence; 34 u64 steal; 35 unsigned long hva; 36 gfn_t gfn; 37 38 if (shmem == INVALID_GPA) 39 return; 40 41 /* 42 * shmem is 64-byte aligned (see the enforcement in 43 * kvm_sbi_sta_steal_time_set_shmem()) and the size of sbi_sta_struct 44 * is 64 bytes, so we know all its offsets are in the same page. 45 */ 46 gfn = shmem >> PAGE_SHIFT; 47 hva = kvm_vcpu_gfn_to_hva(vcpu, gfn); 48 49 if (WARN_ON(kvm_is_error_hva(hva))) { 50 vcpu->arch.sta.shmem = INVALID_GPA; 51 return; 52 } 53 54 sequence_ptr = (__le32 __user *)(hva + offset_in_page(shmem) + 55 offsetof(struct sbi_sta_struct, sequence)); 56 steal_ptr = (__le64 __user *)(hva + offset_in_page(shmem) + 57 offsetof(struct sbi_sta_struct, steal)); 58 > 59 if (WARN_ON(get_user(sequence_le, sequence_ptr))) 60 return; 61 62 sequence = le32_to_cpu(sequence_le); 63 sequence += 1; 64 > 65 if (WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr))) 66 return; 67 > 68 if (!WARN_ON(get_user(steal_le, steal_ptr))) { 69 steal = le64_to_cpu(steal_le); 70 vcpu->arch.sta.last_steal = READ_ONCE(current->sched_info.run_delay); 71 steal += vcpu->arch.sta.last_steal - last_steal; > 72 WARN_ON(put_user(cpu_to_le64(steal), steal_ptr)); 73 } 74 75 sequence += 1; 76 WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr)); 77 78 kvm_vcpu_mark_page_dirty(vcpu, gfn); 79 } 80 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki