From: kbuild test robot <lkp@intel.com>
To: Zhuang Yanying <ann.zhuangyanying@huawei.com>
Cc: kbuild-all@01.org, ann.zhuangyanying@huawei.com,
linfeng23@huawei.com, pbonzini@redhat.com,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
weiqi4@huawei.com, weidong.huang@huawei.com
Subject: Re: [PATCH] KVM: fix overflow of zero page refcount with ksm running
Date: Sat, 12 Oct 2019 05:07:21 +0800 [thread overview]
Message-ID: <201910120435.59pHxFNs%lkp@intel.com> (raw)
In-Reply-To: <1570802177-21212-1-git-send-email-ann.zhuangyanying@huawei.com>
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Hi Zhuang,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on kvm/linux-next]
[cannot apply to v5.4-rc2 next-20191011]
[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/Zhuang-Yanying/KVM-fix-overflow-of-zero-page-refcount-with-ksm-running/20191012-020811
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: mips-malta_kvm_defconfig (attached as .config)
compiler: mipsel-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/mips/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_is_reserved_pfn':
>> arch/mips/kvm/../../../virt/kvm/kvm_main.c:155:23: error: 'page' undeclared (first use in this function)
return PageReserved(page) && !is_zero_pfn(pfn);
^~~~
arch/mips/kvm/../../../virt/kvm/kvm_main.c:155:23: note: each undeclared identifier is reported only once for each function it appears in
vim +/page +155 arch/mips/kvm/../../../virt/kvm/kvm_main.c
151
152 bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
153 {
154 if (pfn_valid(pfn))
> 155 return PageReserved(page) && !is_zero_pfn(pfn);
156
157 return true;
158 }
159
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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prev parent reply other threads:[~2019-10-11 21:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 13:56 [PATCH] KVM: fix overflow of zero page refcount with ksm running Zhuang Yanying
2019-10-11 20:56 ` kbuild test robot
2019-10-11 21:07 ` kbuild test robot [this message]
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