CC: [email protected] In-Reply-To: <[email protected]> References: <[email protected]> TO: David Matlack <[email protected]> TO: [email protected] CC: Ben Gardon <[email protected]> CC: Joerg Roedel <[email protected]> CC: Jim Mattson <[email protected]> CC: Wanpeng Li <[email protected]> CC: Vitaly Kuznetsov <[email protected]> CC: Sean Christopherson <[email protected]> CC: Paolo Bonzini <[email protected]> CC: Junaid Shahid <[email protected]> CC: Andrew Jones <[email protected]>
Hi David, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.13-rc6 next-20210616] [cannot apply to kvm/queue vhost/linux-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/David-Matlack/KVM-x86-mmu-Fast-page-fault-support-for-the-TDP-MMU/20210617-013501 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6b00bc639f1f2beeff3595e1bab9faaa51d23b01 :::::: branch date: 6 hours ago :::::: commit date: 6 hours ago config: x86_64-randconfig-s021-20210615 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/0050bf7241bac2324a20ff442b58158d18b08c13 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review David-Matlack/KVM-x86-mmu-Fast-page-fault-support-for-the-TDP-MMU/20210617-013501 git checkout 0050bf7241bac2324a20ff442b58158d18b08c13 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) arch/x86/kvm/mmu/tdp_mmu.c:275:9: sparse: sparse: context imbalance in 'tdp_mmu_link_page' - different lock contexts for basic block arch/x86/kvm/mmu/tdp_mmu.c:300:9: sparse: sparse: context imbalance in 'tdp_mmu_unlink_page' - different lock contexts for basic block >> arch/x86/kvm/mmu/tdp_mmu.c:1507:6: sparse: sparse: context imbalance in >> 'kvm_tdp_mmu_walk_lockless_begin' - wrong count at exit arch/x86/kvm/mmu/tdp_mmu.c:1512:6: sparse: sparse: context imbalance in 'kvm_tdp_mmu_walk_lockless_end' - unexpected unlock vim +/kvm_tdp_mmu_walk_lockless_begin +1507 arch/x86/kvm/mmu/tdp_mmu.c 46044f72c3826b Ben Gardon 2020-10-14 1506 0050bf7241bac2 David Matlack 2021-06-11 @1507 void kvm_tdp_mmu_walk_lockless_begin(void) 0050bf7241bac2 David Matlack 2021-06-11 1508 { 0050bf7241bac2 David Matlack 2021-06-11 1509 rcu_read_lock(); 0050bf7241bac2 David Matlack 2021-06-11 1510 } 0050bf7241bac2 David Matlack 2021-06-11 1511 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
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