From: kernel test robot <lkp@intel.com>
To: Ben Gardon <bgardon@google.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: kbuild-all@lists.01.org, Paolo Bonzini <pbonzini@redhat.com>,
Peter Xu <peterx@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Peter Shier <pshier@google.com>,
Peter Feiner <pfeiner@google.com>,
Junaid Shahid <junaids@google.com>,
Jim Mattson <jmattson@google.com>,
Yulei Zhang <yulei.kernel@gmail.com>
Subject: Re: [PATCH 20/24] kvm: x86/mmu: Add atomic option for setting SPTEs
Date: Wed, 13 Jan 2021 08:05:28 +0800 [thread overview]
Message-ID: <202101130758.CVqhFedc-lkp@intel.com> (raw)
In-Reply-To: <20210112181041.356734-21-bgardon@google.com>
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Hi Ben,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc3 next-20210112]
[cannot apply to kvm/linux-next kvmarm/next kvm-ppc/kvm-ppc-next]
[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-page-faults-with-TDP-MMU/20210113-021817
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a0d54b4f5b219fb31f0776e9f53aa137e78ae431
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/df85de7a1c9a5a1dc43776eb0b31c39c785aed25
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Ben-Gardon/Allow-parallel-page-faults-with-TDP-MMU/20210113-021817
git checkout df85de7a1c9a5a1dc43776eb0b31c39c785aed25
# save the attached .config to linux build tree
make W=1 ARCH=i386
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/atomic.h:8,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:13,
from arch/x86/include/asm/cpumask.h:5,
from arch/x86/include/asm/msr.h:11,
from arch/x86/include/asm/processor.h:22,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:56,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:78,
from include/linux/percpu.h:6,
from include/linux/context_tracking_state.h:5,
from include/linux/hardirq.h:5,
from include/linux/kvm_host.h:7,
from arch/x86/kvm/mmu.h:5,
from arch/x86/kvm/mmu/tdp_mmu.c:3:
arch/x86/kvm/mmu/tdp_mmu.c: In function 'handle_disconnected_tdp_mmu_page':
>> arch/x86/include/asm/cmpxchg.h:67:4: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
67 | __ ## op ## _wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:78:27: note: in expansion of macro '__xchg_op'
78 | #define arch_xchg(ptr, v) __xchg_op((ptr), (v), xchg, "")
| ^~~~~~~~~
include/asm-generic/atomic-instrumented.h:1649:2: note: in expansion of macro 'arch_xchg'
1649 | arch_xchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~~
arch/x86/kvm/mmu/tdp_mmu.c:353:21: note: in expansion of macro 'xchg'
353 | old_child_spte = xchg(sptep, 0);
| ^~~~
vim +/__xchg_wrong_size +67 arch/x86/include/asm/cmpxchg.h
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 37
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 38 /*
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 39 * An exchange-type operation, which takes a value and a pointer, and
7f5281ae8a8e7f86 Li Zhong 2013-04-25 40 * returns the old value.
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 41 */
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 42 #define __xchg_op(ptr, arg, op, lock) \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 43 ({ \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 44 __typeof__ (*(ptr)) __ret = (arg); \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 45 switch (sizeof(*(ptr))) { \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 46 case __X86_CASE_B: \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 47 asm volatile (lock #op "b %b0, %1\n" \
2ca052a3710fac20 Jeremy Fitzhardinge 2012-04-02 48 : "+q" (__ret), "+m" (*(ptr)) \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 49 : : "memory", "cc"); \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 50 break; \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 51 case __X86_CASE_W: \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 52 asm volatile (lock #op "w %w0, %1\n" \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 53 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 54 : : "memory", "cc"); \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 55 break; \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 56 case __X86_CASE_L: \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 57 asm volatile (lock #op "l %0, %1\n" \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 58 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 59 : : "memory", "cc"); \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 60 break; \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 61 case __X86_CASE_Q: \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 62 asm volatile (lock #op "q %q0, %1\n" \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 63 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 64 : : "memory", "cc"); \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 65 break; \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 66 default: \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 @67 __ ## op ## _wrong_size(); \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 68 } \
31a8394e069e47dc Jeremy Fitzhardinge 2011-09-30 69 __ret; \
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 70 })
e9826380d83d1bda Jeremy Fitzhardinge 2011-08-18 71
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2021-01-13 0:50 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 18:10 [PATCH 00/24] Allow parallel page faults with TDP MMU Ben Gardon
2021-01-12 18:10 ` [PATCH 01/24] locking/rwlocks: Add contention detection for rwlocks Ben Gardon
2021-01-12 18:10 ` [PATCH 02/24] sched: Add needbreak " Ben Gardon
2021-01-12 18:10 ` [PATCH 03/24] sched: Add cond_resched_rwlock Ben Gardon
2021-01-12 18:10 ` [PATCH 04/24] kvm: x86/mmu: change TDP MMU yield function returns to match cond_resched Ben Gardon
2021-01-20 18:38 ` Sean Christopherson
2021-01-21 20:22 ` Paolo Bonzini
2021-01-26 14:11 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 05/24] kvm: x86/mmu: Fix yielding in TDP MMU Ben Gardon
2021-01-20 19:28 ` Sean Christopherson
2021-01-22 1:06 ` Ben Gardon
2021-01-12 18:10 ` [PATCH 06/24] kvm: x86/mmu: Skip no-op changes in TDP MMU functions Ben Gardon
2021-01-20 19:51 ` Sean Christopherson
2021-01-25 23:51 ` Ben Gardon
2021-01-12 18:10 ` [PATCH 07/24] kvm: x86/mmu: Add comment on __tdp_mmu_set_spte Ben Gardon
2021-01-26 14:13 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 08/24] kvm: x86/mmu: Add lockdep when setting a TDP MMU SPTE Ben Gardon
2021-01-20 19:58 ` Sean Christopherson
2021-01-26 14:13 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 09/24] kvm: x86/mmu: Don't redundantly clear TDP MMU pt memory Ben Gardon
2021-01-20 20:06 ` Sean Christopherson
2021-01-26 14:14 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 10/24] kvm: x86/mmu: Factor out handle disconnected pt Ben Gardon
2021-01-20 20:30 ` Sean Christopherson
2021-01-26 14:14 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 11/24] kvm: x86/mmu: Put TDP MMU PT walks in RCU read-critical section Ben Gardon
2021-01-20 22:19 ` Sean Christopherson
2021-01-12 18:10 ` [PATCH 12/24] kvm: x86/kvm: RCU dereference tdp mmu page table links Ben Gardon
2021-01-22 18:32 ` Sean Christopherson
2021-01-26 18:17 ` Ben Gardon
2021-01-12 18:10 ` [PATCH 13/24] kvm: x86/mmu: Only free tdp_mmu pages after a grace period Ben Gardon
2021-01-12 18:10 ` [PATCH 14/24] kvm: mmu: Wrap mmu_lock lock / unlock in a function Ben Gardon
2021-01-13 2:35 ` kernel test robot
2021-01-12 18:10 ` [PATCH 15/24] kvm: mmu: Wrap mmu_lock cond_resched and needbreak Ben Gardon
2021-01-21 0:19 ` Sean Christopherson
2021-01-21 20:17 ` Paolo Bonzini
2021-01-26 14:38 ` Paolo Bonzini
2021-01-26 17:47 ` Ben Gardon
2021-01-26 17:55 ` Paolo Bonzini
2021-01-26 18:11 ` Ben Gardon
2021-01-26 20:47 ` Paolo Bonzini
2021-01-27 20:08 ` Ben Gardon
2021-01-27 20:55 ` Paolo Bonzini
2021-01-27 21:20 ` Ben Gardon
2021-01-28 8:18 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 16/24] kvm: mmu: Wrap mmu_lock assertions Ben Gardon
2021-01-26 14:29 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 17/24] kvm: mmu: Move mmu_lock to struct kvm_arch Ben Gardon
2021-01-12 18:10 ` [PATCH 18/24] kvm: x86/mmu: Use an rwlock for the x86 TDP MMU Ben Gardon
2021-01-21 0:45 ` Sean Christopherson
2021-01-12 18:10 ` [PATCH 19/24] kvm: x86/mmu: Protect tdp_mmu_pages with a lock Ben Gardon
2021-01-21 19:22 ` Sean Christopherson
2021-01-21 21:32 ` Sean Christopherson
2021-01-26 14:27 ` Paolo Bonzini
2021-01-26 21:47 ` Ben Gardon
2021-01-26 22:02 ` Sean Christopherson
2021-01-26 22:09 ` Sean Christopherson
2021-01-27 12:40 ` Paolo Bonzini
2021-01-26 13:37 ` Paolo Bonzini
2021-01-26 21:07 ` Ben Gardon
2021-01-12 18:10 ` [PATCH 20/24] kvm: x86/mmu: Add atomic option for setting SPTEs Ben Gardon
2021-01-13 0:05 ` kernel test robot [this message]
2021-01-26 14:21 ` Paolo Bonzini
2021-01-12 18:10 ` [PATCH 21/24] kvm: x86/mmu: Use atomic ops to set SPTEs in TDP MMU map Ben Gardon
2021-01-12 18:10 ` [PATCH 22/24] kvm: x86/mmu: Flush TLBs after zap in TDP MMU PF handler Ben Gardon
2021-01-21 0:05 ` Sean Christopherson
2021-01-12 18:10 ` [PATCH 23/24] kvm: x86/mmu: Freeze SPTEs in disconnected pages Ben Gardon
2021-01-12 18:10 ` [PATCH 24/24] kvm: x86/mmu: Allow parallel page faults for the TDP MMU Ben Gardon
2021-01-21 0:55 ` Sean Christopherson
2021-01-26 21:57 ` Ben Gardon
2021-01-27 17:14 ` Sean Christopherson
2021-01-26 13:37 ` Paolo Bonzini
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