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SubjectRe: [PATCH v9 05/14] KVM: X86: Implement ring-based dirty memory tracking
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: x86_64-allyesconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

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/x86/kvm/../../../virt/kvm/dirty_ring.c:33:6: warning: no previous prototype for 'kvm_dirty_ring_full' [-Wmissing-prototypes]
bool kvm_dirty_ring_full(struct kvm_dirty_ring *ring)
^~~~~~~~~~~~~~~~~~~
--
arch/x86/kvm/vmx/vmx.c: In function 'init_rmode_identity_map':
>> arch/x86/kvm/vmx/vmx.c:3472:12: warning: variable 'identity_map_pfn' set but not used [-Wunused-but-set-variable]
kvm_pfn_t identity_map_pfn;
^~~~~~~~~~~~~~~~

vim +/kvm_dirty_ring_full +33 arch/x86/kvm/../../../virt/kvm/dirty_ring.c

32
> 33 bool kvm_dirty_ring_full(struct kvm_dirty_ring *ring)
34 {
35 return kvm_dirty_ring_used(ring) >= ring->size;
36 }
37

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