Re: [PATCH] KVM: VMX: eVMCS: make evmcs_sanitize_exec_ctrls() work again

From: kernel test robot
Date: Wed Oct 14 2020 - 10:02:24 EST


Hi Vitaly,

I love your patch! Yet something to improve:

[auto build test ERROR on kvm/linux-next]
[also build test ERROR on vhost/linux-next linus/master linux/master v5.9 next-20201013]
[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/Vitaly-Kuznetsov/KVM-VMX-eVMCS-make-evmcs_sanitize_exec_ctrls-work-again/20201014-180828
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: i386-randconfig-r015-20201014 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/d17b759596aa18f05176cee4695968b88977f6a4
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vitaly-Kuznetsov/KVM-VMX-eVMCS-make-evmcs_sanitize_exec_ctrls-work-again/20201014-180828
git checkout d17b759596aa18f05176cee4695968b88977f6a4
# save the attached .config to linux build tree
make W=1 ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

arch/x86/kvm/vmx/vmx.c: In function 'setup_vmcs_config':
>> arch/x86/kvm/vmx/vmx.c:2595:6: error: 'enlightened_vmcs' undeclared (first use in this function); did you mean 'hv_enlightened_vmcs'?
2595 | if (enlightened_vmcs)
| ^~~~~~~~~~~~~~~~
| hv_enlightened_vmcs
arch/x86/kvm/vmx/vmx.c:2595:6: note: each undeclared identifier is reported only once for each function it appears in

vim +2595 arch/x86/kvm/vmx/vmx.c

2578
2579 /* Require Write-Back (WB) memory type for VMCS accesses. */
2580 if (((vmx_msr_high >> 18) & 15) != 6)
2581 return -EIO;
2582
2583 vmcs_conf->size = vmx_msr_high & 0x1fff;
2584 vmcs_conf->order = get_order(vmcs_conf->size);
2585 vmcs_conf->basic_cap = vmx_msr_high & ~0x1fff;
2586
2587 vmcs_conf->revision_id = vmx_msr_low;
2588
2589 vmcs_conf->pin_based_exec_ctrl = _pin_based_exec_control;
2590 vmcs_conf->cpu_based_exec_ctrl = _cpu_based_exec_control;
2591 vmcs_conf->cpu_based_2nd_exec_ctrl = _cpu_based_2nd_exec_control;
2592 vmcs_conf->vmexit_ctrl = _vmexit_control;
2593 vmcs_conf->vmentry_ctrl = _vmentry_control;
2594
> 2595 if (enlightened_vmcs)
2596 evmcs_sanitize_exec_ctrls(vmcs_conf);
2597
2598 return 0;
2599 }
2600

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

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