Messages in this thread | | | Date | Thu, 9 Jun 2022 20:54:30 +0800 | From | kernel test robot <> | Subject | [intel-tdx:kvm-upstream-workaround 449/453] arch/x86/kernel/fpu/xstate.c:718:14: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'unsigned int' |
| |
tree: https://github.com/intel/tdx.git kvm-upstream-workaround head: 64f3ddf316eab9398414b94e62a01d185e6e94c8 commit: c00f6297349a8d81049eefe338ee079179787e28 [449/453] X86: FPU: Fix unexpected #PF while executing XRSTORS config: i386-tinyconfig (https://download.01.org/0day-ci/archive/20220609/202206092038.sxicJCDm-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel/tdx/commit/c00f6297349a8d81049eefe338ee079179787e28 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx kvm-upstream-workaround git checkout c00f6297349a8d81049eefe338ee079179787e28 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/fpu/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:29, from arch/x86/include/asm/percpu.h:27, from arch/x86/include/asm/current.h:6, from arch/x86/include/asm/processor.h:17, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:65, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/compat.h:10, from arch/x86/kernel/fpu/xstate.c:8: arch/x86/kernel/fpu/xstate.c: In function 'init_xstate_size': >> arch/x86/kernel/fpu/xstate.c:718:14: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'unsigned int' [-Wformat=] 718 | "Too small init_fpstate size:%ld expected:%d\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 719 | sizeof(init_fpstate_full), kernel_size); | ~~~~~~~~~~~~~~~~~~~~~~~~~ | | | unsigned int include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:132:17: note: in expansion of macro 'printk' 132 | printk(fmt, ##__VA_ARGS__); \ | ^~~~~~ include/asm-generic/bug.h:175:9: note: in expansion of macro 'no_printk' 175 | no_printk(format); \ | ^~~~~~~~~ arch/x86/kernel/fpu/xstate.c:717:9: note: in expansion of macro 'WARN' 717 | WARN(kernel_size > sizeof(init_fpstate_full), | ^~~~ arch/x86/kernel/fpu/xstate.c:718:45: note: format string is defined here 718 | "Too small init_fpstate size:%ld expected:%d\n", | ~~^ | | | long int | %d
vim +718 arch/x86/kernel/fpu/xstate.c
685 686 static int __init init_xstate_size(void) 687 { 688 /* Recompute the context size for enabled features: */ 689 unsigned int user_size, kernel_size, kernel_default_size; 690 bool compacted = cpu_feature_enabled(X86_FEATURE_XSAVES); 691 692 /* Uncompacted user space size */ 693 user_size = get_xsave_size_user(); 694 695 /* 696 * XSAVES kernel size includes supervisor states and 697 * uses compacted format when available. 698 * 699 * XSAVE does not support supervisor states so 700 * kernel and user size is identical. 701 */ 702 if (compacted) 703 kernel_size = get_xsaves_size_no_independent(); 704 else 705 kernel_size = user_size; 706 707 kernel_default_size = 708 xstate_calculate_size(fpu_kernel_cfg.default_features, compacted); 709 710 /* Ensure we have the space to store all default enabled features. */ 711 if (!is_supported_xstate_size(kernel_default_size)) 712 return -EINVAL; 713 714 if (!paranoid_xstate_size_valid(kernel_size)) 715 return -EINVAL; 716 717 WARN(kernel_size > sizeof(init_fpstate_full), > 718 "Too small init_fpstate size:%ld expected:%d\n", 719 sizeof(init_fpstate_full), kernel_size); 720 721 fpu_kernel_cfg.max_size = kernel_size; 722 fpu_user_cfg.max_size = user_size; 723 724 fpu_kernel_cfg.default_size = kernel_default_size; 725 fpu_user_cfg.default_size = 726 xstate_calculate_size(fpu_user_cfg.default_features, false); 727 728 return 0; 729 } 730
-- 0-DAY CI Kernel Test Service https://01.org/lkp
| |