From: kbuild test robot <lkp@intel.com>
To: Peter Xu <peterx@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: kbuild-all@lists.01.org, Vitaly Kuznetsov <vkuznets@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Christophe de Dinechin <dinechin@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
peterx@redhat.com
Subject: Re: [PATCH v9 05/14] KVM: X86: Implement ring-based dirty memory tracking
Date: Mon, 25 May 2020 10:48:08 +0800 [thread overview]
Message-ID: <202005251058.wRNkniwm%lkp@intel.com> (raw)
In-Reply-To: <20200523225659.1027044-6-peterx@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 1958 bytes --]
Hi Peter,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on vhost/linux-next]
[also build test WARNING on linus/master v5.7-rc7]
[cannot apply to kvm/linux-next tip/auto-latest linux/master next-20200522]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Peter-Xu/KVM-Dirty-ring-interface/20200524-070926
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: s390-randconfig-s002-20200524 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-240-gf0fe1cd9-dirty
# save the attached .config to linux build tree
make W=1 C=1 ARCH=s390 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_page_in_dirty_ring':
>> arch/s390/kvm/../../../virt/kvm/kvm_main.c:2932:16: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
2932 | return (pgoff >= KVM_DIRTY_LOG_PAGE_OFFSET) &&
| ^~
vim +2932 arch/s390/kvm/../../../virt/kvm/kvm_main.c
2926
2927 static bool kvm_page_in_dirty_ring(struct kvm *kvm, unsigned long pgoff)
2928 {
2929 if (!KVM_DIRTY_LOG_PAGE_OFFSET)
2930 return false;
2931
> 2932 return (pgoff >= KVM_DIRTY_LOG_PAGE_OFFSET) &&
2933 (pgoff < KVM_DIRTY_LOG_PAGE_OFFSET +
2934 kvm->dirty_ring_size / PAGE_SIZE);
2935 }
2936
---
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:[~2020-05-25 3:07 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-23 22:56 [PATCH v9 00/14] KVM: Dirty ring interface Peter Xu
2020-05-23 22:56 ` [PATCH v9 01/14] KVM: X86: Change parameter for fast_page_fault tracepoint Peter Xu
2020-05-23 22:56 ` [PATCH v9 02/14] KVM: Cache as_id in kvm_memory_slot Peter Xu
2020-05-23 22:56 ` [PATCH v9 03/14] KVM: X86: Don't track dirty for KVM_SET_[TSS_ADDR|IDENTITY_MAP_ADDR] Peter Xu
2020-05-23 22:56 ` [PATCH v9 04/14] KVM: Pass in kvm pointer into mark_page_dirty_in_slot() Peter Xu
2020-05-23 22:56 ` [PATCH v9 05/14] KVM: X86: Implement ring-based dirty memory tracking Peter Xu
2020-05-25 2:48 ` kbuild test robot [this message]
2020-05-25 15:26 ` Peter Xu
[not found] ` <202005252245.ZeOB8qNJ%lkp@intel.com>
2020-05-25 15:33 ` Peter Xu
2020-05-23 22:56 ` [PATCH v9 06/14] KVM: Make dirty ring exclusive to dirty bitmap log Peter Xu
2020-05-23 22:56 ` [PATCH v9 07/14] KVM: Don't allocate dirty bitmap if dirty ring is enabled Peter Xu
2020-05-26 15:05 ` kbuild test robot
2020-05-26 15:21 ` Peter Xu
2020-05-27 12:53 ` kbuild test robot
2020-05-23 22:56 ` [PATCH v9 08/14] KVM: selftests: Always clear dirty bitmap after iteration Peter Xu
2020-05-23 22:56 ` [PATCH v9 09/14] KVM: selftests: Sync uapi/linux/kvm.h to tools/ Peter Xu
2020-05-23 22:56 ` [PATCH v9 10/14] KVM: selftests: Use a single binary for dirty/clear log test Peter Xu
2020-05-23 22:56 ` [PATCH v9 11/14] KVM: selftests: Introduce after_vcpu_run hook for dirty " Peter Xu
2020-05-23 22:56 ` [PATCH v9 12/14] KVM: selftests: Add dirty ring buffer test Peter Xu
2020-05-23 23:06 ` [PATCH v9 13/14] KVM: selftests: Let dirty_log_test async for dirty ring test Peter Xu
2020-05-23 23:06 ` [PATCH v9 14/14] KVM: selftests: Add "-c" parameter to dirty log test Peter Xu
2020-05-23 23:14 ` [PATCH v9 00/14] KVM: Dirty ring interface Peter Xu
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