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a="407564177" X-IronPort-AV: E=Sophos;i="6.02,226,1688454000"; d="scan'208";a="407564177" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2023 03:10:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10822"; a="690542245" X-IronPort-AV: E=Sophos;i="6.02,226,1688454000"; d="scan'208";a="690542245" Received: from lkp-server02.sh.intel.com (HELO e0b2ea88afd5) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 04 Sep 2023 03:10:27 -0700 Received: from kbuild by e0b2ea88afd5 with local (Exim 4.96) (envelope-from ) id 1qd6XJ-0000OB-0h; Mon, 04 Sep 2023 10:10:25 +0000 Date: Mon, 4 Sep 2023 18:10:17 +0800 From: kernel test robot To: Marc Zyngier Cc: oe-kbuild-all@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [arm-platforms:kvm-arm64/sysreg-xarray 7/8] arch/arm64/kvm/sys_regs.c:3106: warning: Function parameter or member 'sr' not described in 'emulate_sys_reg' Message-ID: <202309041858.cL5JQBVT-lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230904_031032_314312_8308E87A X-CRM114-Status: GOOD ( 11.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/sysreg-xarray head: 2fbea250756eb06bd1a2b515aea53f77525fbb70 commit: e0a7c86733c3e4b707330180818040b7fe1387b4 [7/8] WIP config: arm64-defconfig (https://download.01.org/0day-ci/archive/20230904/202309041858.cL5JQBVT-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230904/202309041858.cL5JQBVT-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/202309041858.cL5JQBVT-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/arm64/kvm/sys_regs.c:1246: warning: Function parameter or member 'vcpu' not described in 'arm64_check_features' arch/arm64/kvm/sys_regs.c:1246: warning: Function parameter or member 'rd' not described in 'arm64_check_features' arch/arm64/kvm/sys_regs.c:1246: warning: Function parameter or member 'val' not described in 'arm64_check_features' arch/arm64/kvm/sys_regs.c:2868: warning: Function parameter or member 'global' not described in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:2868: warning: Function parameter or member 'nr_global' not described in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:2868: warning: Excess function parameter 'run' description in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:3038: warning: Function parameter or member 'params' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:3038: warning: Function parameter or member 'global' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:3038: warning: Function parameter or member 'nr_global' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:3038: warning: Excess function parameter 'run' description in 'kvm_handle_cp_32' >> arch/arm64/kvm/sys_regs.c:3106: warning: Function parameter or member 'sr' not described in 'emulate_sys_reg' vim +3106 arch/arm64/kvm/sys_regs.c 54ad68b7776043 Mark Rutland 2019-12-05 3095 28eda7b5e82489 Oliver Upton 2022-05-03 3096 /** 28eda7b5e82489 Oliver Upton 2022-05-03 3097 * emulate_sys_reg - Emulate a guest access to an AArch64 system register 28eda7b5e82489 Oliver Upton 2022-05-03 3098 * @vcpu: The VCPU pointer 28eda7b5e82489 Oliver Upton 2022-05-03 3099 * @params: Decoded system register parameters 28eda7b5e82489 Oliver Upton 2022-05-03 3100 * 28eda7b5e82489 Oliver Upton 2022-05-03 3101 * Return: true if the system register access was successful, false otherwise. 28eda7b5e82489 Oliver Upton 2022-05-03 3102 */ 28eda7b5e82489 Oliver Upton 2022-05-03 3103 static bool emulate_sys_reg(struct kvm_vcpu *vcpu, e0a7c86733c3e4 Marc Zyngier 2023-08-22 3104 const struct sys_reg_desc *sr, 3fec037d0fb292 Pavel Fedin 2015-12-04 3105 struct sys_reg_params *params) 7c8c5e6a9101ea Marc Zyngier 2012-12-10 @3106 { dcaffa7bf91157 James Morse 2020-06-22 3107 const struct sys_reg_desc *r; 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3108 e0a7c86733c3e4 Marc Zyngier 2023-08-22 3109 if (unlikely(!sr)) 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3110 r = find_reg(params, sys_reg_descs, ARRAY_SIZE(sys_reg_descs)); e0a7c86733c3e4 Marc Zyngier 2023-08-22 3111 else e0a7c86733c3e4 Marc Zyngier 2023-08-22 3112 r = sr; 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3113 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3114 if (likely(r)) { e70b952263445e Marc Zyngier 2017-03-27 3115 perform_access(vcpu, params, r); 28eda7b5e82489 Oliver Upton 2022-05-03 3116 return true; 28eda7b5e82489 Oliver Upton 2022-05-03 3117 } 28eda7b5e82489 Oliver Upton 2022-05-03 3118 28eda7b5e82489 Oliver Upton 2022-05-03 3119 if (is_imp_def_sys_reg(params)) { 54ad68b7776043 Mark Rutland 2019-12-05 3120 kvm_inject_undefined(vcpu); 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3121 } else { bf4b96bb542ee3 Mark Rutland 2019-12-05 3122 print_sys_reg_msg(params, bf4b96bb542ee3 Mark Rutland 2019-12-05 3123 "Unsupported guest sys_reg access at: %lx [%08lx]\n", d1878af3a5a6ac Mark Rutland 2018-12-06 3124 *vcpu_pc(vcpu), *vcpu_cpsr(vcpu)); 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3125 kvm_inject_undefined(vcpu); e70b952263445e Marc Zyngier 2017-03-27 3126 } 28eda7b5e82489 Oliver Upton 2022-05-03 3127 return false; 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3128 } 7c8c5e6a9101ea Marc Zyngier 2012-12-10 3129 :::::: The code at line 3106 was first introduced by commit :::::: 7c8c5e6a9101ea57a1c2c9faff0917e79251a21e arm64: KVM: system register handling :::::: TO: Marc Zyngier :::::: CC: Marc Zyngier -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel