10:26 p.m.
Hi Jing,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on d0732b0f8884d9cc0eca0082bbaef043f3fef7fb]
url:
https://github.com/0day-ci/linux/commits/Jing-Zhang/KVM-stats-Add-VM-dirt...
base: d0732b0f8884d9cc0eca0082bbaef043f3fef7fb
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/0day-ci/linux/commit/85679ee0cff16eaae940baba21e08ad6e...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Jing-Zhang/KVM-stats-Add-VM-dirty_pages-stats-for-the-number-of-dirty-pages/20210811-063544
git checkout 85679ee0cff16eaae940baba21e08ad6e9944698
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir
ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
arch/powerpc/kvm/book3s_hv_rm_mmu.c: In function 'kvmppc_update_dirty_map':
> arch/powerpc/kvm/book3s_hv_rm_mmu.c:112:2: error: 'kvm'
undeclared (first use in this function)
112 | kvm->stat.generic.dirty_pages
+= npages;
| ^~~
arch/powerpc/kvm/book3s_hv_rm_mmu.c:112:2: note: each undeclared identifier is reported
only once for each function it appears in
vim +/kvm +112 arch/powerpc/kvm/book3s_hv_rm_mmu.c
100
101 /* Update the dirty bitmap of a memslot */
102 void kvmppc_update_dirty_map(const struct kvm_memory_slot *memslot,
103 unsigned long gfn, unsigned long psize)
104 {
105 unsigned long npages;
106
107 if (!psize || !memslot->dirty_bitmap)
108 return;
109 npages = (psize + PAGE_SIZE - 1) / PAGE_SIZE;
110 gfn -= memslot->base_gfn;
111 set_dirty_bits_atomic(memslot->dirty_bitmap, gfn, npages);
112 kvm->stat.generic.dirty_pages += npages;
113 }
114 EXPORT_SYMBOL_GPL(kvmppc_update_dirty_map);
115
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org