Re: [Qemu-devel] How to configure QEMU to support APIC virtualization

2019-08-05 Thread ddm
Ok, Finally don't have to tangle it ^.^ Thank you very much! At 2019-08-05 13:54:36, "Li Qiang" wrote: ddm 于2019年8月5日周一 下午1:20写道: Hi, As i know, KVM is based on passthrough host cpu to implement full-virtualiztion, if host cpu doesn't support this feature, it&

Re: [Qemu-devel] How to configure QEMU to support APIC virtualization

2019-08-04 Thread ddm
ot rely on hardware. Thanks! At 2019-08-05 12:42:55, "Li Qiang" wrote: ddm 于2019年8月5日周一 上午11:55写道: Hi guys, I have tried via modprobe kvmintel enable_apicv=Y to adjust KVM parameter, but it doesn't effect, and cat /sys/module/kvm_intel/parameters/enable_apicv always

[Qemu-devel] How to configure QEMU to support APIC virtualization

2019-08-04 Thread ddm
Hi guys, I have tried via modprobe kvmintel enable_apicv=Y to adjust KVM parameter, but it doesn't effect, and cat /sys/module/kvm_intel/parameters/enable_apicv always return "N". I don't know how to configure KVM or QEMU to support APIC virtualizaion feature? My host infos are as follows

[Qemu-devel] Can not relocate APIC registers address from 0xFEE00000 to self-defined physical addr

2019-07-10 Thread ddm
hi guys, I wrote a Small OS (based on linux0.11) support SMP, and it can run well on bochs, Now i want to migrate it to Qemu, i found that when i use wrmsr command to relocate the APIC regsiters addr to a new physical address, it can not work, i can not initial APIC timer to trigger timer in