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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2 06/28] locking/rwlocks: Add contention detection for rwlocks
Date: Wed, 03 Feb 2021 06:06:26 +0800	[thread overview]
Message-ID: <202102030611.gRQ4QpZX-lkp@intel.com> (raw)
In-Reply-To: <20210202185734.1680553-7-bgardon@google.com>

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Hi Ben,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/master]
[also build test ERROR on linux/master linus/master v5.11-rc6 next-20210125]
[cannot apply to kvm/linux-next tip/sched/core]
[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/Ben-Gardon/Allow-parallel-MMU-operations-with-TDP-MMU/20210203-032259
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git a7e0bdf1b07ea6169930ec42b0bdb17e1c1e3bb0
config: mips-randconfig-s032-20210202 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-215-g0fb77bb6-dirty
        # https://github.com/0day-ci/linux/commit/a20819b935bec3299ef0848b3796324b02206e5b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ben-Gardon/Allow-parallel-MMU-operations-with-TDP-MMU/20210203-032259
        git checkout a20819b935bec3299ef0848b3796324b02206e5b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=mips 

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 include/linux/spinlock.h:90,
                    from include/linux/ipc.h:5,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/compat.h:14,
                    from arch/mips/kernel/asm-offsets.c:12:
>> arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock'
      17 | #define queued_spin_unlock queued_spin_unlock
         |                            ^~~~~~~~~~~~~~~~~~
   arch/mips/include/asm/spinlock.h:22:20: note: in expansion of macro 'queued_spin_unlock'
      22 | static inline void queued_spin_unlock(struct qspinlock *lock)
         |                    ^~~~~~~~~~~~~~~~~~
   In file included from include/asm-generic/qrwlock.h:17,
                    from ./arch/mips/include/generated/asm/qrwlock.h:1,
                    from arch/mips/include/asm/spinlock.h:13,
                    from include/linux/spinlock.h:90,
                    from include/linux/ipc.h:5,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/compat.h:14,
                    from arch/mips/kernel/asm-offsets.c:12:
   include/asm-generic/qspinlock.h:94:29: note: previous definition of 'queued_spin_unlock' was here
      94 | static __always_inline void queued_spin_unlock(struct qspinlock *lock)
         |                             ^~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      26 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      78 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      93 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
     110 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     138 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     181 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     220 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
     255 | void output_signal_defined(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
     334 | void output_pm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
     348 | void output_kvm_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/spinlock.h:90,
                    from include/linux/ipc.h:5,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/compat.h:14,
                    from arch/mips/kernel/asm-offsets.c:12:
>> arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock'
      17 | #define queued_spin_unlock queued_spin_unlock
         |                            ^~~~~~~~~~~~~~~~~~
   arch/mips/include/asm/spinlock.h:22:20: note: in expansion of macro 'queued_spin_unlock'
      22 | static inline void queued_spin_unlock(struct qspinlock *lock)
         |                    ^~~~~~~~~~~~~~~~~~
   In file included from include/asm-generic/qrwlock.h:17,
                    from ./arch/mips/include/generated/asm/qrwlock.h:1,
                    from arch/mips/include/asm/spinlock.h:13,
                    from include/linux/spinlock.h:90,
                    from include/linux/ipc.h:5,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/compat.h:14,
                    from arch/mips/kernel/asm-offsets.c:12:
   include/asm-generic/qspinlock.h:94:29: note: previous definition of 'queued_spin_unlock' was here
      94 | static __always_inline void queued_spin_unlock(struct qspinlock *lock)
         |                             ^~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      26 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      78 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      93 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
     110 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     138 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     181 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     220 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
     255 | void output_signal_defined(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
     334 | void output_pm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
     348 | void output_kvm_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   make[2]: *** [scripts/Makefile.build:117: arch/mips/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1200: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:185: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/queued_spin_unlock +17 arch/mips/include/asm/spinlock.h

346e91ee090b07 Will Deacon 2019-02-22  16  
346e91ee090b07 Will Deacon 2019-02-22 @17  #define	queued_spin_unlock queued_spin_unlock
346e91ee090b07 Will Deacon 2019-02-22  18  /**
346e91ee090b07 Will Deacon 2019-02-22  19   * queued_spin_unlock - release a queued spinlock
346e91ee090b07 Will Deacon 2019-02-22  20   * @lock : Pointer to queued spinlock structure
346e91ee090b07 Will Deacon 2019-02-22  21   */
346e91ee090b07 Will Deacon 2019-02-22  22  static inline void queued_spin_unlock(struct qspinlock *lock)
346e91ee090b07 Will Deacon 2019-02-22  23  {
346e91ee090b07 Will Deacon 2019-02-22  24  	/* This could be optimised with ARCH_HAS_MMIOWB */
346e91ee090b07 Will Deacon 2019-02-22  25  	mmiowb();
346e91ee090b07 Will Deacon 2019-02-22  26  	smp_store_release(&lock->locked, 0);
346e91ee090b07 Will Deacon 2019-02-22  27  }
346e91ee090b07 Will Deacon 2019-02-22  28  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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  reply	other threads:[~2021-02-02 22:06 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02 18:57 [PATCH v2 00/28] Allow parallel MMU operations with TDP MMU Ben Gardon
2021-02-02 18:57 ` [PATCH v2 01/28] KVM: x86/mmu: change TDP MMU yield function returns to match cond_resched Ben Gardon
2021-02-02 18:57 ` [PATCH v2 02/28] KVM: x86/mmu: Add comment on __tdp_mmu_set_spte Ben Gardon
2021-02-02 18:57 ` [PATCH v2 03/28] KVM: x86/mmu: Add lockdep when setting a TDP MMU SPTE Ben Gardon
2021-02-02 18:57 ` [PATCH v2 04/28] KVM: x86/mmu: Don't redundantly clear TDP MMU pt memory Ben Gardon
2021-02-02 18:57 ` [PATCH v2 05/28] KVM: x86/mmu: Factor out handling of removed page tables Ben Gardon
2021-02-02 18:57 ` [PATCH v2 06/28] locking/rwlocks: Add contention detection for rwlocks Ben Gardon
2021-02-02 22:06   ` kernel test robot [this message]
2021-02-09 20:39   ` Guenter Roeck
2021-02-09 21:46     ` Waiman Long
2021-02-09 22:25       ` Guenter Roeck
2021-02-10  0:27         ` Waiman Long
2021-02-10  0:41           ` Waiman Long
2021-02-10  6:04           ` Guenter Roeck
2021-02-10 14:57             ` Waiman Long
2021-02-10  3:32   ` Waiman Long
2021-02-10 15:15     ` Waiman Long
2021-02-02 18:57 ` [PATCH v2 07/28] sched: Add needbreak " Ben Gardon
2021-02-02 18:57 ` [PATCH v2 08/28] sched: Add cond_resched_rwlock Ben Gardon
2021-02-02 18:57 ` [PATCH v2 09/28] KVM: x86/mmu: Fix braces in kvm_recover_nx_lpages Ben Gardon
2021-02-02 18:57 ` [PATCH v2 10/28] KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs Ben Gardon
2021-02-03  9:43   ` Paolo Bonzini
2021-02-02 18:57 ` [PATCH v2 11/28] KVM: x86/mmu: Merge flush and non-flush tdp_mmu_iter_cond_resched Ben Gardon
2021-02-02 18:57 ` [PATCH v2 12/28] KVM: x86/mmu: Rename goal_gfn to next_last_level_gfn Ben Gardon
2021-02-02 18:57 ` [PATCH v2 13/28] KVM: x86/mmu: Ensure forward progress when yielding in TDP MMU iter Ben Gardon
2021-02-05 23:42   ` Sean Christopherson
2021-02-02 18:57 ` [PATCH v2 14/28] KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed Ben Gardon
2021-02-02 18:57 ` [PATCH v2 15/28] KVM: x86/mmu: Skip no-op changes in TDP MMU functions Ben Gardon
2021-02-02 18:57 ` [PATCH v2 16/28] KVM: x86/mmu: Clear dirtied pages mask bit before early break Ben Gardon
2021-02-02 18:57 ` [PATCH v2 17/28] KVM: x86/mmu: Protect TDP MMU page table memory with RCU Ben Gardon
2021-02-02 18:57 ` [PATCH v2 18/28] KVM: x86/mmu: Use an rwlock for the x86 MMU Ben Gardon
     [not found]   ` <c8aa8f9c-2305-5d58-3b48-261663524ad5@redhat.com>
     [not found]     ` <CANgfPd_RxhBwM95MQQmGOdtmeH8c6=zPqUnXXHNV5Ta0R5R=iw@mail.gmail.com>
2021-02-03 18:14       ` Paolo Bonzini
2021-02-03 23:06   ` kernel test robot
2021-02-02 18:57 ` [PATCH v2 19/28] KVM: x86/mmu: Factor out functions to add/remove TDP MMU pages Ben Gardon
2021-02-02 18:57 ` [PATCH v2 20/28] KVM: x86/mmu: Use atomic ops to set SPTEs in TDP MMU map Ben Gardon
2021-02-03  2:48   ` kernel test robot
2021-02-03  2:48     ` kernel test robot
2021-02-03 11:14   ` Paolo Bonzini
2021-02-06  0:26     ` Sean Christopherson
2021-02-08 10:32       ` Paolo Bonzini
2021-04-01 10:32   ` Paolo Bonzini
2021-04-01 16:50     ` Ben Gardon
2021-04-01 17:32       ` Paolo Bonzini
2021-04-01 18:09         ` Sean Christopherson
2021-02-02 18:57 ` [PATCH v2 21/28] KVM: x86/mmu: Flush TLBs after zap in TDP MMU PF handler Ben Gardon
2021-02-06  0:29   ` Sean Christopherson
2021-02-02 18:57 ` [PATCH v2 22/28] KVM: x86/mmu: Mark SPTEs in disconnected pages as removed Ben Gardon
2021-02-03 11:17   ` Paolo Bonzini
2021-02-02 18:57 ` [PATCH v2 23/28] KVM: x86/mmu: Allow parallel page faults for the TDP MMU Ben Gardon
2021-02-03 12:39   ` Paolo Bonzini
2021-02-03 17:46     ` Ben Gardon
2021-02-03 18:30       ` Paolo Bonzini
2021-02-06  0:12         ` Sean Christopherson
2021-02-02 18:57 ` [PATCH v2 24/28] KVM: x86/mmu: Allow zap gfn range to operate under the mmu read lock Ben Gardon
2021-02-03 11:25   ` Paolo Bonzini
2021-02-03 11:26   ` Paolo Bonzini
2021-02-03 18:31     ` Ben Gardon
2021-02-03 18:32       ` Paolo Bonzini
2021-02-02 18:57 ` [PATCH v2 25/28] KVM: x86/mmu: Allow zapping collapsible SPTEs to use MMU " Ben Gardon
2021-02-03 11:34   ` Paolo Bonzini
2021-02-03 18:51     ` Ben Gardon
2021-02-02 18:57 ` [PATCH v2 26/28] KVM: x86/mmu: Allow enabling / disabling dirty logging under " Ben Gardon
2021-02-03 11:38   ` Paolo Bonzini
2021-02-02 18:57 ` [PATCH v2 27/28] KVM: selftests: Add backing src parameter to dirty_log_perf_test Ben Gardon
2021-02-02 18:57 ` [PATCH v2 28/28] KVM: selftests: Disable dirty logging with vCPUs running Ben Gardon
2021-02-03 10:07   ` Paolo Bonzini
2021-02-03 11:00 ` [PATCH v2 00/28] Allow parallel MMU operations with TDP MMU Paolo Bonzini
2021-02-03 17:54   ` Sean Christopherson
2021-02-03 18:13     ` Paolo Bonzini

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