Messages in this thread | | | Date | Wed, 13 Mar 2024 23:30:11 +0800 | Subject | Re: [PATCH v19 021/130] KVM: x86/vmx: initialize loaded_vmcss_on_cpu in vmx_init() | From | Binbin Wu <> |
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On 2/26/2024 4:25 PM, isaku.yamahata@intel.com wrote: > From: Isaku Yamahata <isaku.yamahata@intel.com> > > vmx_hardware_disable() accesses loaded_vmcss_on_cpu via > hardware_disable_all(). To allow hardware_enable/disable_all() before > kvm_init(), initialize it in before kvm_x86_vendor_init() in vmx_init() > so that tdx module initialization, hardware_setup method, can reference > the variable. > > Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> > Reviewed-by: Yuan Yao <yuan.yao@intel.com>
The shortlog should be this? KVM: VMX: Initialize loaded_vmcss_on_cpu in vmx_init()
Others, Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
> > --- > v19: > - Fix the subject to match the patch by Yuan > > v18: > - Move the vmcss_on_cpu initialization from vmx_hardware_setup() to > early point of vmx_init() by Binbin > > Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> > --- > arch/x86/kvm/vmx/vmx.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c > index 434f5aaef030..8af0668e4dca 100644 > --- a/arch/x86/kvm/vmx/vmx.c > +++ b/arch/x86/kvm/vmx/vmx.c > @@ -8539,6 +8539,10 @@ static int __init vmx_init(void) > */ > hv_init_evmcs(); > > + /* vmx_hardware_disable() accesses loaded_vmcss_on_cpu. */ > + for_each_possible_cpu(cpu) > + INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu)); > + > r = kvm_x86_vendor_init(&vt_init_ops); > if (r) > return r; > @@ -8554,11 +8558,8 @@ static int __init vmx_init(void) > if (r) > goto err_l1d_flush; > > - for_each_possible_cpu(cpu) { > - INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu)); > - > + for_each_possible_cpu(cpu) > pi_init_cpu(cpu); > - } > > cpu_emergency_register_virt_callback(vmx_emergency_disable); >
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