1:50 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
queue-5.10
head: 9ced6633127bd25a94939777d9ecda54800859fc
commit: 2022a67e630a25e8274ad36e0437d8230d8d716d [58/74] KVM: x86/mmu: Set
SPTE_AD_WRPROT_ONLY_MASK if and only if PML is enabled
config: x86_64-randconfig-s021-20210318 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-277-gc089cd2d-dirty
#
https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c...
git remote add sashal-linux-stable
https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
git fetch --no-tags sashal-linux-stable queue-5.10
git checkout 2022a67e630a25e8274ad36e0437d8230d8d716d
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
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 >>):
In file included from arch/x86/kvm/mmu/mmu.c:21:
arch/x86/kvm/mmu/mmu_internal.h: In function 'kvm_vcpu_ad_need_write_protect':
> arch/x86/kvm/mmu/mmu_internal.h:87:20: error: 'struct
kvm_x86_ops' has no member named 'cpu_dirty_log_size'
87 |
kvm_x86_ops.cpu_dirty_log_size;
| ^
--
In file included from arch/x86/kvm/mmu/spte.c:14:
arch/x86/kvm/mmu/mmu_internal.h: In function 'kvm_vcpu_ad_need_write_protect':
> arch/x86/kvm/mmu/mmu_internal.h:87:20: error: 'struct
kvm_x86_ops' has no member named 'cpu_dirty_log_size'
87 |
kvm_x86_ops.cpu_dirty_log_size;
| ^
arch/x86/kvm/mmu/mmu_internal.h:88:1: error: control reaches end of non-void function
[-Werror=return-type]
88 | }
| ^
cc1: some warnings being treated as errors
--
In file included from arch/x86/kvm/mmu/tdp_iter.c:3:
arch/x86/kvm/mmu/mmu_internal.h: In function 'kvm_vcpu_ad_need_write_protect':
> arch/x86/kvm/mmu/mmu_internal.h:87:20: error: 'struct
kvm_x86_ops' has no member named 'cpu_dirty_log_size'
87 |
kvm_x86_ops.cpu_dirty_log_size;
| ^
In file included from arch/x86/kvm/mmu/tdp_iter.c:4:
arch/x86/kvm/mmu/tdp_iter.h: At top level:
arch/x86/kvm/mmu/tdp_iter.h:8:10: fatal error: mmu.h: No such file or directory
8 | #include "mmu.h"
| ^~~~~~~
compilation terminated.
vim +87 arch/x86/kvm/mmu/mmu_internal.h
75
76 static inline bool kvm_vcpu_ad_need_write_protect(struct kvm_vcpu *vcpu)
77 {
78 /*
79 * When using the EPT page-modification log, the GPAs in the CPU dirty
80 * log would come from L2 rather than L1. Therefore, we need to rely
81 * on write protection to record dirty pages, which bypasses PML, since
82 * writes now result in a vmexit. Note, the check on CPU dirty logging
83 * being enabled is mandatory as the bits used to denote WP-only SPTEs
84 * are reserved for NPT w/ PAE (32-bit KVM).
85 */
86 return vcpu->arch.mmu == &vcpu->arch.guest_mmu &&
87 kvm_x86_ops.cpu_dirty_log_size;
88 }
89
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org