From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH 1/7] sched/vtime: Move guest enter/exit vtime accounting to separate helpers
Date: Wed, 14 Apr 2021 06:25:36 +0800 [thread overview]
Message-ID: <202104140633.4a9nDtAC-lkp@intel.com> (raw)
In-Reply-To: <20210413182933.1046389-2-seanjc@google.com>
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Hi Sean,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on kvm/queue]
[also build test ERROR on vhost/linux-next linus/master v5.12-rc7 next-20210413]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Sean-Christopherson/KVM-Fix-tick-based-vtime-accounting-on-x86/20210414-023106
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
config: powerpc64-randconfig-r023-20210413 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9829f5e6b1bca9b61efc629770d28bb9014dec45)
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 powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://github.com/0day-ci/linux/commit/c68e2a1489e453b217384eb985d04dd6784c3b53
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Sean-Christopherson/KVM-Fix-tick-based-vtime-accounting-on-x86/20210414-023106
git checkout c68e2a1489e453b217384eb985d04dd6784c3b53
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
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/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:9:
>> include/linux/vtime.h:68:3: error: implicit declaration of function 'vtime_guest_enter' [-Werror,-Wimplicit-function-declaration]
vtime_guest_enter(current);
^
>> include/linux/vtime.h:76:3: error: implicit declaration of function 'vtime_guest_exit' [-Werror,-Wimplicit-function-declaration]
vtime_guest_exit(current);
^
>> include/linux/vtime.h:111:13: error: conflicting types for 'vtime_guest_enter'
extern void vtime_guest_enter(struct task_struct *tsk);
^
include/linux/vtime.h:68:3: note: previous implicit declaration is here
vtime_guest_enter(current);
^
>> include/linux/vtime.h:112:13: error: conflicting types for 'vtime_guest_exit'
extern void vtime_guest_exit(struct task_struct *tsk);
^
include/linux/vtime.h:76:3: note: previous implicit declaration is here
vtime_guest_exit(current);
^
4 errors generated.
--
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:9:
>> include/linux/vtime.h:68:3: error: implicit declaration of function 'vtime_guest_enter' [-Werror,-Wimplicit-function-declaration]
vtime_guest_enter(current);
^
>> include/linux/vtime.h:76:3: error: implicit declaration of function 'vtime_guest_exit' [-Werror,-Wimplicit-function-declaration]
vtime_guest_exit(current);
^
>> include/linux/vtime.h:111:13: error: conflicting types for 'vtime_guest_enter'
extern void vtime_guest_enter(struct task_struct *tsk);
^
include/linux/vtime.h:68:3: note: previous implicit declaration is here
vtime_guest_enter(current);
^
>> include/linux/vtime.h:112:13: error: conflicting types for 'vtime_guest_exit'
extern void vtime_guest_exit(struct task_struct *tsk);
^
include/linux/vtime.h:76:3: note: previous implicit declaration is here
vtime_guest_exit(current);
^
4 errors generated.
make[2]: *** [scripts/Makefile.build:116: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1235: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/vtime_guest_enter +68 include/linux/vtime.h
64
65 static __always_inline void vtime_account_guest_enter(void)
66 {
67 if (vtime_accounting_enabled_this_cpu())
> 68 vtime_guest_enter(current);
69 else
70 current->flags |= PF_VCPU;
71 }
72
73 static __always_inline void vtime_account_guest_exit(void)
74 {
75 if (vtime_accounting_enabled_this_cpu())
> 76 vtime_guest_exit(current);
77 else
78 current->flags &= ~PF_VCPU;
79 }
80
81
82 #else /* !CONFIG_VIRT_CPU_ACCOUNTING */
83
84 static inline bool vtime_accounting_enabled_this_cpu(void) { return false; }
85 static inline void vtime_task_switch(struct task_struct *prev) { }
86
87 static __always_inline void vtime_account_guest_enter(void)
88 {
89 current->flags |= PF_VCPU;
90 }
91
92 static __always_inline void vtime_account_guest_exit(void)
93 {
94 current->flags &= ~PF_VCPU;
95 }
96
97 #endif
98
99 /*
100 * Common vtime APIs
101 */
102 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
103 extern void vtime_account_kernel(struct task_struct *tsk);
104 extern void vtime_account_idle(struct task_struct *tsk);
105 #endif /* CONFIG_VIRT_CPU_ACCOUNTING */
106
107 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
108 extern void arch_vtime_task_switch(struct task_struct *tsk);
109 extern void vtime_user_enter(struct task_struct *tsk);
110 extern void vtime_user_exit(struct task_struct *tsk);
> 111 extern void vtime_guest_enter(struct task_struct *tsk);
> 112 extern void vtime_guest_exit(struct task_struct *tsk);
113 extern void vtime_init_idle(struct task_struct *tsk, int cpu);
114 #else /* !CONFIG_VIRT_CPU_ACCOUNTING_GEN */
115 static inline void vtime_user_enter(struct task_struct *tsk) { }
116 static inline void vtime_user_exit(struct task_struct *tsk) { }
117 static inline void vtime_guest_enter(struct task_struct *tsk) { }
118 static inline void vtime_guest_exit(struct task_struct *tsk) { }
119 static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
120 #endif
121
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2021-04-13 22:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-13 18:29 [RFC PATCH 0/7] KVM: Fix tick-based vtime accounting on x86 Sean Christopherson
2021-04-13 18:29 ` [RFC PATCH 1/7] sched/vtime: Move guest enter/exit vtime accounting to separate helpers Sean Christopherson
2021-04-13 21:49 ` kernel test robot
2021-04-13 22:25 ` kernel test robot [this message]
2021-04-13 22:34 ` kernel test robot
2021-04-13 18:29 ` [RFC PATCH 2/7] context_tracking: Move guest enter/exit logic to standalone helpers Sean Christopherson
2021-04-13 18:29 ` [RFC PATCH 3/7] context_tracking: Consolidate guest enter/exit wrappers Sean Christopherson
2021-04-13 23:33 ` kernel test robot
2021-04-13 18:29 ` [RFC PATCH 4/7] context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain Sean Christopherson
2021-04-13 22:49 ` kernel test robot
2021-04-13 18:29 ` [RFC PATCH 5/7] KVM: Move vtime accounting of guest exit to separate helper Sean Christopherson
2021-04-13 18:29 ` [RFC PATCH 6/7] KVM: x86: Consolidate guest enter/exit logic to common helpers Sean Christopherson
2021-04-13 18:29 ` [RFC PATCH 7/7] KVM: x86: Defer tick-based accounting 'til after IRQ handling Sean Christopherson
2021-04-14 17:33 ` [RFC PATCH 0/7] KVM: Fix tick-based vtime accounting on x86 Thomas Gleixner
2021-04-14 17:57 ` Sean Christopherson
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