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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f7757129e3dea336c407551c98f50057c22bb266 commit: e65197666773f39e4378161925e5a1c7771cff29 KVM: arm64: Wire up CP15 feature registers to their AArch64 equivalents date: 1 year, 4 months ago config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230822/202308220552.e2OVbfhn-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230822/202308220552.e2OVbfhn-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/202308220552.e2OVbfhn-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/arm64/kvm/sys_regs.c:2305: warning: Function parameter or member 'global' not described in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:2305: warning: Function parameter or member 'nr_global' not described in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:2305: warning: Excess function parameter 'run' description in 'kvm_handle_cp_64' >> arch/arm64/kvm/sys_regs.c:2402: warning: Function parameter or member 'params' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:2402: warning: Function parameter or member 'global' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:2402: warning: Function parameter or member 'nr_global' not described in 'kvm_handle_cp_32' arch/arm64/kvm/sys_regs.c:2402: warning: Excess function parameter 'run' description in 'kvm_handle_cp_32' vim +2402 arch/arm64/kvm/sys_regs.c e65197666773f3 Oliver Upton 2022-05-03 2392 62a89c44954f09 Marc Zyngier 2013-02-07 2393 /** 7769db905bd2df Shannon Zhao 2016-01-13 2394 * kvm_handle_cp_32 -- handles a mrc/mcr trap on a guest CP14/CP15 access 62a89c44954f09 Marc Zyngier 2013-02-07 2395 * @vcpu: The VCPU pointer 62a89c44954f09 Marc Zyngier 2013-02-07 2396 * @run: The kvm_run struct 62a89c44954f09 Marc Zyngier 2013-02-07 2397 */ 72564016aae45f Marc Zyngier 2014-04-24 2398 static int kvm_handle_cp_32(struct kvm_vcpu *vcpu, e65197666773f3 Oliver Upton 2022-05-03 2399 struct sys_reg_params *params, 72564016aae45f Marc Zyngier 2014-04-24 2400 const struct sys_reg_desc *global, dcaffa7bf91157 James Morse 2020-06-22 2401 size_t nr_global) 62a89c44954f09 Marc Zyngier 2013-02-07 @2402 { c667186f1c01ca Marc Zyngier 2017-04-27 2403 int Rt = kvm_vcpu_sys_get_rt(vcpu); 62a89c44954f09 Marc Zyngier 2013-02-07 2404 e65197666773f3 Oliver Upton 2022-05-03 2405 params->regval = vcpu_get_reg(vcpu, Rt); 62a89c44954f09 Marc Zyngier 2013-02-07 2406 e65197666773f3 Oliver Upton 2022-05-03 2407 if (emulate_cp(vcpu, params, global, nr_global)) { e65197666773f3 Oliver Upton 2022-05-03 2408 if (!params->is_write) e65197666773f3 Oliver Upton 2022-05-03 2409 vcpu_set_reg(vcpu, Rt, params->regval); 72564016aae45f Marc Zyngier 2014-04-24 2410 return 1; 2ec5be3dbfdcb6 Pavel Fedin 2015-12-04 2411 } 72564016aae45f Marc Zyngier 2014-04-24 2412 e65197666773f3 Oliver Upton 2022-05-03 2413 unhandled_cp_access(vcpu, params); 62a89c44954f09 Marc Zyngier 2013-02-07 2414 return 1; 62a89c44954f09 Marc Zyngier 2013-02-07 2415 } 62a89c44954f09 Marc Zyngier 2013-02-07 2416 :::::: The code at line 2402 was first introduced by commit :::::: 62a89c44954f09072bf07a714c8f68bda14ab87e arm64: KVM: 32bit handling of coprocessor traps :::::: TO: Marc Zyngier :::::: CC: Marc Zyngier -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki