From: kernel test robot <lkp@intel.com>
To: Li RongQing <lirongqing@baidu.com>
Cc: kbuild-all@lists.01.org, kvm@vger.kernel.org,
Robert Hu <robert.hu@intel.com>,
Farrah Chen <farrah.chen@intel.com>,
Danmei Wei <danmei.wei@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Wang GuangJu <wangguangju@baidu.com>
Subject: [kvm:queue 182/203] arch/x86/include/asm/paravirt.h:683:35: error: '__raw_callee_save___kvm_vcpu_is_preempted' undeclared
Date: Wed, 9 Mar 2022 06:29:11 +0800 [thread overview]
Message-ID: <202203090607.5kEhVF3N-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head: 00a2bd3464280ca1f08e2cbfab22b884ffb731d8
commit: dc889a8974087aba3eb1cc6db2066fbbdb58922a [182/203] KVM: x86: Support the vCPU preemption check with nopvspin and realtime hint
config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220309/202203090607.5kEhVF3N-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=dc889a8974087aba3eb1cc6db2066fbbdb58922a
git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
git fetch --no-tags kvm queue
git checkout dc889a8974087aba3eb1cc6db2066fbbdb58922a
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/spinlock.h:10,
from include/linux/spinlock.h:93,
from include/linux/wait.h:9,
from include/linux/pid.h:6,
from include/linux/sched.h:14,
from include/linux/context_tracking.h:5,
from arch/x86/kernel/kvm.c:12:
arch/x86/kernel/kvm.c: In function 'kvm_guest_init':
>> arch/x86/include/asm/paravirt.h:683:35: error: '__raw_callee_save___kvm_vcpu_is_preempted' undeclared (first use in this function)
683 | ((struct paravirt_callee_save) { __raw_callee_save_##func })
| ^~~~~~~~~~~~~~~~~~
arch/x86/kernel/kvm.c:769:4: note: in expansion of macro 'PV_CALLEE_SAVE'
769 | PV_CALLEE_SAVE(__kvm_vcpu_is_preempted);
| ^~~~~~~~~~~~~~
arch/x86/include/asm/paravirt.h:683:35: note: each undeclared identifier is reported only once for each function it appears in
683 | ((struct paravirt_callee_save) { __raw_callee_save_##func })
| ^~~~~~~~~~~~~~~~~~
arch/x86/kernel/kvm.c:769:4: note: in expansion of macro 'PV_CALLEE_SAVE'
769 | PV_CALLEE_SAVE(__kvm_vcpu_is_preempted);
| ^~~~~~~~~~~~~~
vim +/__raw_callee_save___kvm_vcpu_is_preempted +683 arch/x86/include/asm/paravirt.h
2e47d3e6c35bb5 include/asm-x86/paravirt.h Glauber de Oliveira Costa 2008-01-30 648
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 649 /*
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 650 * Generate a thunk around a function which saves all caller-save
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 651 * registers except for the return value. This allows C functions to
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 652 * be called from assembler code where fewer than normal registers are
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 653 * available. It may also help code generation around calls from C
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 654 * code if the common case doesn't use many registers.
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 655 *
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 656 * When a callee is wrapped in a thunk, the caller can assume that all
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 657 * arg regs and all scratch registers are preserved across the
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 658 * call. The return value in rax/eax will not be saved, even for void
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 659 * functions.
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 660 */
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 661 #define PV_THUNK_NAME(func) "__raw_callee_save_" #func
20125c872a3f12 arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-06-24 662 #define __PV_CALLEE_SAVE_REGS_THUNK(func, section) \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 663 extern typeof(func) __raw_callee_save_##func; \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 664 \
20125c872a3f12 arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-06-24 665 asm(".pushsection " section ", \"ax\";" \
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 666 ".globl " PV_THUNK_NAME(func) ";" \
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 667 ".type " PV_THUNK_NAME(func) ", @function;" \
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 668 PV_THUNK_NAME(func) ":" \
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 669 FRAME_BEGIN \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 670 PV_SAVE_ALL_CALLER_REGS \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 671 "call " #func ";" \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 672 PV_RESTORE_ALL_CALLER_REGS \
87b240cbe3e51b arch/x86/include/asm/paravirt.h Josh Poimboeuf 2016-01-21 673 FRAME_END \
b17c2baa305ccc arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-12-04 674 ASM_RET \
083db676482199 arch/x86/include/asm/paravirt.h Josh Poimboeuf 2019-07-17 675 ".size " PV_THUNK_NAME(func) ", .-" PV_THUNK_NAME(func) ";" \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 676 ".popsection")
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 677
20125c872a3f12 arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-06-24 678 #define PV_CALLEE_SAVE_REGS_THUNK(func) \
20125c872a3f12 arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-06-24 679 __PV_CALLEE_SAVE_REGS_THUNK(func, ".text")
20125c872a3f12 arch/x86/include/asm/paravirt.h Peter Zijlstra 2021-06-24 680
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 681 /* Get a reference to a callee-save function */
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 682 #define PV_CALLEE_SAVE(func) \
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 @683 ((struct paravirt_callee_save) { __raw_callee_save_##func })
ecb93d1ccd0aac arch/x86/include/asm/paravirt.h Jeremy Fitzhardinge 2009-01-28 684
:::::: The code at line 683 was first introduced by commit
:::::: ecb93d1ccd0aac63f03be2db3cac3fa974716f4c x86/paravirt: add register-saving thunks to reduce caller register pressure
:::::: TO: Jeremy Fitzhardinge <jeremy@goop.org>
:::::: CC: H. Peter Anvin <hpa@linux.intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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