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    SubjectRe: [PATCH v7 16/18] KVM: x86: Add guest support for detecting and enabling SEV Live Migration feature.
    Hi Ashish,

    Thank you for the patch! Yet something to improve:

    [auto build test ERROR on v5.7-rc3]
    [cannot apply to kvm/linux-next tip/x86/mm tip/x86/core next-20200430]
    [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/Ashish-Kalra/Add-AMD-SEV-guest-live-migration-support/20200430-202702
    base: 6a8b55ed4056ea5559ebe4f6a4b247f627870d4c
    config: i386-randconfig-a003-20200430 (attached as .config)
    compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
    reproduce:
    # save the attached .config to linux build tree
    make ARCH=i386

    If you fix the issue, kindly add following tag as appropriate
    Reported-by: kbuild test robot <lkp@intel.com>

    All errors (new ones prefixed by >>):

    arch/x86/kernel/kvm.c: In function 'kvm_init_platform':
    >> arch/x86/kernel/kvm.c:780:24: error: lvalue required as left operand of assignment
    sev_live_mig_enabled = true;
    ^

    vim +780 arch/x86/kernel/kvm.c

    773
    774 static void __init kvm_init_platform(void)
    775 {
    776 if (sev_active() &&
    777 kvm_para_has_feature(KVM_FEATURE_SEV_LIVE_MIGRATION)) {
    778
    779 printk(KERN_INFO "KVM enable live migration\n");
    > 780 sev_live_mig_enabled = true;
    781 /*
    782 * If not booted using EFI, enable Live migration support.
    783 */
    784 if (!efi_enabled(EFI_BOOT))
    785 wrmsrl(MSR_KVM_SEV_LIVE_MIG_EN,
    786 KVM_SEV_LIVE_MIGRATION_ENABLED);
    787 } else
    788 printk(KERN_INFO "KVM enable live migration feature unsupported\n");
    789
    790 kvmclock_init();
    791 x86_platform.apic_post_init = kvm_apic_init;
    792 }
    793

    ---
    0-DAY CI Kernel Test Service, Intel Corporation
    https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
    [unhandled content-type:application/gzip]
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