tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue head: 054cca2525b8da52567b52cc80dfcc88751d6846 commit: 25135e4ae17d26e8541cb32c0568cbf4ea3e8e02 [120/138] cet msrs config: x86_64-randconfig-r013-20210203 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=25135e4ae17d26e8541cb32c0568cbf4ea3e8e02 git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git git fetch --no-tags kvm queue git checkout 25135e4ae17d26e8541cb32c0568cbf4ea3e8e02 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> arch/x86/kernel/fpu/xstate.c:608:14: error: use of undeclared identifier 'XFEATURE_RSRVD_COMP_11' ((nr >= XFEATURE_RSRVD_COMP_11) && (nr <= XFEATURE_LBR))) { ^ 1 error generated. vim +/XFEATURE_RSRVD_COMP_11 +608 arch/x86/kernel/fpu/xstate.c ef78f2a4bf84d8 Dave Hansen 2015-09-02 575 ef78f2a4bf84d8 Dave Hansen 2015-09-02 576 /* ef78f2a4bf84d8 Dave Hansen 2015-09-02 577 * We have a C struct for each 'xstate'. We need to ensure ef78f2a4bf84d8 Dave Hansen 2015-09-02 578 * that our software representation matches what the CPU ef78f2a4bf84d8 Dave Hansen 2015-09-02 579 * tells us about the state's size. ef78f2a4bf84d8 Dave Hansen 2015-09-02 580 */ ef78f2a4bf84d8 Dave Hansen 2015-09-02 581 static void check_xstate_against_struct(int nr) ef78f2a4bf84d8 Dave Hansen 2015-09-02 582 { ef78f2a4bf84d8 Dave Hansen 2015-09-02 583 /* ef78f2a4bf84d8 Dave Hansen 2015-09-02 584 * Ask the CPU for the size of the state. ef78f2a4bf84d8 Dave Hansen 2015-09-02 585 */ ef78f2a4bf84d8 Dave Hansen 2015-09-02 586 int sz = xfeature_size(nr); ef78f2a4bf84d8 Dave Hansen 2015-09-02 587 /* ef78f2a4bf84d8 Dave Hansen 2015-09-02 588 * Match each CPU state with the corresponding software ef78f2a4bf84d8 Dave Hansen 2015-09-02 589 * structure. ef78f2a4bf84d8 Dave Hansen 2015-09-02 590 */ ef78f2a4bf84d8 Dave Hansen 2015-09-02 591 XCHECK_SZ(sz, nr, XFEATURE_YMM, struct ymmh_struct); ef78f2a4bf84d8 Dave Hansen 2015-09-02 592 XCHECK_SZ(sz, nr, XFEATURE_BNDREGS, struct mpx_bndreg_state); ef78f2a4bf84d8 Dave Hansen 2015-09-02 593 XCHECK_SZ(sz, nr, XFEATURE_BNDCSR, struct mpx_bndcsr_state); ef78f2a4bf84d8 Dave Hansen 2015-09-02 594 XCHECK_SZ(sz, nr, XFEATURE_OPMASK, struct avx_512_opmask_state); ef78f2a4bf84d8 Dave Hansen 2015-09-02 595 XCHECK_SZ(sz, nr, XFEATURE_ZMM_Hi256, struct avx_512_zmm_uppers_state); ef78f2a4bf84d8 Dave Hansen 2015-09-02 596 XCHECK_SZ(sz, nr, XFEATURE_Hi16_ZMM, struct avx_512_hi16_state); c8df40098451ba Dave Hansen 2016-02-12 597 XCHECK_SZ(sz, nr, XFEATURE_PKRU, struct pkru_state); b454feb9abc1a9 Yu-cheng Yu 2020-09-15 598 XCHECK_SZ(sz, nr, XFEATURE_PASID, struct ia32_pasid_state); ef78f2a4bf84d8 Dave Hansen 2015-09-02 599 ef78f2a4bf84d8 Dave Hansen 2015-09-02 600 /* ef78f2a4bf84d8 Dave Hansen 2015-09-02 601 * Make *SURE* to add any feature numbers in below if ef78f2a4bf84d8 Dave Hansen 2015-09-02 602 * there are "holes" in the xsave state component ef78f2a4bf84d8 Dave Hansen 2015-09-02 603 * numbers. ef78f2a4bf84d8 Dave Hansen 2015-09-02 604 */ ef78f2a4bf84d8 Dave Hansen 2015-09-02 605 if ((nr < XFEATURE_YMM) || 1f96b1efbad4bb Dave Hansen 2016-02-12 606 (nr >= XFEATURE_MAX) || f0dccc9da4c0fd Kan Liang 2020-07-03 607 (nr == XFEATURE_PT_UNIMPLEMENTED_SO_FAR) || b454feb9abc1a9 Yu-cheng Yu 2020-09-15 @608 ((nr >= XFEATURE_RSRVD_COMP_11) && (nr <= XFEATURE_LBR))) { ef78f2a4bf84d8 Dave Hansen 2015-09-02 609 WARN_ONCE(1, "no structure for xstate: %d\n", nr); ef78f2a4bf84d8 Dave Hansen 2015-09-02 610 XSTATE_WARN_ON(1); ef78f2a4bf84d8 Dave Hansen 2015-09-02 611 } ef78f2a4bf84d8 Dave Hansen 2015-09-02 612 } ef78f2a4bf84d8 Dave Hansen 2015-09-02 613 :::::: The code at line 608 was first introduced by commit :::::: b454feb9abc1a9ee876fb84bfea0fc8d726f5bc4 x86/fpu/xstate: Add supervisor PASID state for ENQCMD :::::: TO: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> :::::: CC: Borislav Petkov <bp@xxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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