* [questions] about KVM as a Microsoft-compatible hypervisor @ 2014-06-30 1:39 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-06-30 1:39 UTC (permalink / raw) To: vrozenfe; +Cc: kvm, qemu-devel Hi, Vadim I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, Any update and other references, please? Thanks, Zhang Haoyu ^ permalink raw reply [flat|nested] 15+ messages in thread
* [Qemu-devel] [questions] about KVM as a Microsoft-compatible hypervisor @ 2014-06-30 1:39 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-06-30 1:39 UTC (permalink / raw) To: vrozenfe; +Cc: qemu-devel, kvm Hi, Vadim I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, Any update and other references, please? Thanks, Zhang Haoyu ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatible hypervisor 2014-06-30 1:39 ` [Qemu-devel] " Zhang Haoyu (?) @ 2014-06-30 10:02 ` Vadim Rozenfeld 2014-06-30 10:19 ` Jidong Xiao 2014-06-30 11:45 ` Zhang Haoyu -1 siblings, 2 replies; 15+ messages in thread From: Vadim Rozenfeld @ 2014-06-30 10:02 UTC (permalink / raw) To: Zhang Haoyu; +Cc: qemu-devel, kvm On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote: > Hi, Vadim > I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, > Any update and other references, please? > > Thanks, > Zhang Haoyu > > Unfortunately, not too much. >From the the most recent, we have lazy eoi implemented by MST and reference time counter. Best regards, Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatible hypervisor 2014-06-30 10:02 ` Vadim Rozenfeld @ 2014-06-30 10:19 ` Jidong Xiao 2014-06-30 11:36 ` Vadim Rozenfeld 2014-06-30 11:45 ` Zhang Haoyu 1 sibling, 1 reply; 15+ messages in thread From: Jidong Xiao @ 2014-06-30 10:19 UTC (permalink / raw) To: Vadim Rozenfeld; +Cc: Zhang Haoyu, qemu-devel, kvm On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld <vrozenfe@redhat.com> wrote: > On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote: >> Hi, Vadim >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> Any update and other references, please? >> >> Thanks, >> Zhang Haoyu >> >> > > Unfortunately, not too much. > From the the most recent, we have lazy eoi implemented by > MST and reference time counter. > > Best regards, > Vadim. > It looks like that Mircosoft has defined a large number of synthetic registers in their Hyper-v spec, so ultimately KVM should virtualize most of these registers, so as to support the Mircosoft Enlightment, right? -Jidong ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatible hypervisor 2014-06-30 10:19 ` Jidong Xiao @ 2014-06-30 11:36 ` Vadim Rozenfeld 0 siblings, 0 replies; 15+ messages in thread From: Vadim Rozenfeld @ 2014-06-30 11:36 UTC (permalink / raw) To: Jidong Xiao; +Cc: Zhang Haoyu, qemu-devel, kvm On Mon, 2014-06-30 at 06:19 -0400, Jidong Xiao wrote: > On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld <vrozenfe@redhat.com> wrote: > > On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote: > >> Hi, Vadim > >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, > >> Any update and other references, please? > >> > >> Thanks, > >> Zhang Haoyu > >> > >> > > > > Unfortunately, not too much. > > From the the most recent, we have lazy eoi implemented by > > MST and reference time counter. > > > > Best regards, > > Vadim. > > > It looks like that Mircosoft has defined a large number of synthetic > registers in their Hyper-v spec, so ultimately KVM should virtualize > most of these registers, so as to support the Mircosoft Enlightment, > right? > > -Jidong Yes, but you don't have to support all the Hyper-V features at once. Hypervisor declares supported feature by specifying appropriate flags in Feature identification (0x40000003) and Implementation recommendations (0x40000004)CPUID leaves. Best regards, Vadim. > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatiblehypervisor 2014-06-30 10:02 ` Vadim Rozenfeld @ 2014-06-30 11:45 ` Zhang Haoyu 2014-06-30 11:45 ` Zhang Haoyu 1 sibling, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-06-30 11:45 UTC (permalink / raw) To: Vadim Rozenfeld, Jidong Xiao; +Cc: qemu-devel, kvm >> Hi, Vadim >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> Any update and other references, please? >> >> Thanks, >> Zhang Haoyu >> >> > >Unfortunately, not too much. >From the the most recent, we have lazy eoi implemented by >MST and reference time counter. > How to get the source of windows pv-eoi? And what is "reference time counter", could you provide some references or code, please? Thanks, Zhang Haoyu >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatiblehypervisor @ 2014-06-30 11:45 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-06-30 11:45 UTC (permalink / raw) To: Vadim Rozenfeld, Jidong Xiao; +Cc: qemu-devel, kvm >> Hi, Vadim >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> Any update and other references, please? >> >> Thanks, >> Zhang Haoyu >> >> > >Unfortunately, not too much. >From the the most recent, we have lazy eoi implemented by >MST and reference time counter. > How to get the source of windows pv-eoi? And what is "reference time counter", could you provide some references or code, please? Thanks, Zhang Haoyu >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatiblehypervisor 2014-06-30 11:45 ` Zhang Haoyu (?) @ 2014-06-30 12:18 ` Vadim Rozenfeld 2014-08-04 2:17 ` [Qemu-devel] " Zhang Haoyu -1 siblings, 1 reply; 15+ messages in thread From: Vadim Rozenfeld @ 2014-06-30 12:18 UTC (permalink / raw) To: Zhang Haoyu; +Cc: Jidong Xiao, qemu-devel, kvm On Mon, 2014-06-30 at 19:45 +0800, Zhang Haoyu wrote: > >> Hi, Vadim > >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, > >> Any update and other references, please? > >> > >> Thanks, > >> Zhang Haoyu > >> > >> > > > >Unfortunately, not too much. > >From the the most recent, we have lazy eoi implemented by > >MST and reference time counter. > > > How to get the source of windows pv-eoi? I'll be referencing to git://git.kernel.org/pub/scm/virt/kvm/kvm.git for lazy eoi please take a look at commit: b63cf42fd1d8c18fab71222321aaf356f63089c9 > And what is "reference time counter", could you provide some references or code, please? Take a look at commit: e984097b553ed2d6551c805223e4057421370f00 I also suggest reading Hypervisor Functional Specification 3.0a provided by Microsoft and available for downloading from http://www.microsoft.com/en-au/download/details.aspx?id=39289 Best regards, Vadim. > > Thanks, > Zhang Haoyu > > >Best regards, > >Vadim. > > ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [questions] about KVM as aMicrosoft-compatiblehypervisor 2014-06-30 12:18 ` Vadim Rozenfeld @ 2014-08-04 2:17 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-08-04 2:17 UTC (permalink / raw) To: Vadim Rozenfeld; +Cc: Jidong Xiao, qemu-devel, kvm Hi, Vadim I start a vm(windows server 2008 64bit) with below qemu command, get stuck with black screen during boot stage, no error report by qemu and kvm hypervisor, but if I remove the item "hv_vapic", then start and run the VM successfully. /var/run/qemu-server/5195516385344.pid -daemonize -name win2008_iotest -smp sockets=1,cores=1 -cpu core2duo,hv_spinlocks=0xfffffff,hv_relaxed,hv_vapic -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 2048 -usb -drive if=none,id=drive-ide0,media=cdrom,aio=native,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/3600605b006c126da1b0cde571ba48d0d_00e0ed2d202e/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio1,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb -drive file=/sf/data/local/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio2,cache=writethrough,aio=native,forecast=d isable -device virtio-blk-pci,drive=drive-virtio2,id=virtio2,bus=pci.0,addr=0xc,bootindex=101 -netdev type=tap,id=net0,ifname=519551638534400,script=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforc e=on -device virtio-net-pci,mac=FE:FC:FE:58:E0:81,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt,base=localtime -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -post win2008_iotest -enable-kvm -L /boot/pc-bios Seen similar problem before? Any ideas? Thanks, Zhang Haoyu >> >> Hi, Vadim >> >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> >> Any update and other references, please? >> >> >> >> Thanks, >> >> Zhang Haoyu >> >> >> >> >> > >> >Unfortunately, not too much. >> >From the the most recent, we have lazy eoi implemented by >> >MST and reference time counter. >> > >> How to get the source of windows pv-eoi? >I'll be referencing to git://git.kernel.org/pub/scm/virt/kvm/kvm.git > >for lazy eoi please take a look at commit: >b63cf42fd1d8c18fab71222321aaf356f63089c9 > >> And what is "reference time counter", could you provide some references or code, please? >Take a look at commit: >e984097b553ed2d6551c805223e4057421370f00 > >I also suggest reading Hypervisor Functional Specification 3.0a provided >by Microsoft and available for downloading >from http://www.microsoft.com/en-au/download/details.aspx?id=39289 > >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as aMicrosoft-compatiblehypervisor @ 2014-08-04 2:17 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-08-04 2:17 UTC (permalink / raw) To: Vadim Rozenfeld; +Cc: Jidong Xiao, qemu-devel, kvm Hi, Vadim I start a vm(windows server 2008 64bit) with below qemu command, get stuck with black screen during boot stage, no error report by qemu and kvm hypervisor, but if I remove the item "hv_vapic", then start and run the VM successfully. /var/run/qemu-server/5195516385344.pid -daemonize -name win2008_iotest -smp sockets=1,cores=1 -cpu core2duo,hv_spinlocks=0xfffffff,hv_relaxed,hv_vapic -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 2048 -usb -drive if=none,id=drive-ide0,media=cdrom,aio=native,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/3600605b006c126da1b0cde571ba48d0d_00e0ed2d202e/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio1,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb -drive file=/sf/data/local/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio2,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio2,id=virtio2,bus=pci.0,addr=0xc,bootindex=101 -netdev type=tap,id=net0,ifname=519551638534400,script=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforc e=on -device virtio-net-pci,mac=FE:FC:FE:58:E0:81,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt,base=localtime -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -post win2008_iotest -enable-kvm -L /boot/pc-bios Seen similar problem before? Any ideas? Thanks, Zhang Haoyu >> >> Hi, Vadim >> >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> >> Any update and other references, please? >> >> >> >> Thanks, >> >> Zhang Haoyu >> >> >> >> >> > >> >Unfortunately, not too much. >> >From the the most recent, we have lazy eoi implemented by >> >MST and reference time counter. >> > >> How to get the source of windows pv-eoi? >I'll be referencing to git://git.kernel.org/pub/scm/virt/kvm/kvm.git > >for lazy eoi please take a look at commit: >b63cf42fd1d8c18fab71222321aaf356f63089c9 > >> And what is "reference time counter", could you provide some references or code, please? >Take a look at commit: >e984097b553ed2d6551c805223e4057421370f00 > >I also suggest reading Hypervisor Functional Specification 3.0a provided >by Microsoft and available for downloading >from http://www.microsoft.com/en-au/download/details.aspx?id=39289 > >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as aMicrosoft-compatiblehypervisor 2014-08-04 2:17 ` [Qemu-devel] " Zhang Haoyu @ 2014-08-04 5:09 ` Vadim Rozenfeld -1 siblings, 0 replies; 15+ messages in thread From: Vadim Rozenfeld @ 2014-08-04 5:09 UTC (permalink / raw) To: Zhang Haoyu; +Cc: Jidong Xiao, qemu-devel, kvm Hi Zhang, No I haven't seen such problem Which kernel version are you running? Does it include the latest lazy eli changes? Btw, hv_spinlocks=0xfffffff is a pretty huge value. Best regards, Vadim. ----- Original Message ----- From: "Zhang Haoyu" <zhanghy@sangfor.com> To: "Vadim Rozenfeld" <vrozenfe@redhat.com> Cc: "Jidong Xiao" <jidong.xiao@gmail.com>, "qemu-devel" <qemu-devel@nongnu.org>, "kvm" <kvm@vger.kernel.org> Sent: Monday, August 4, 2014 12:17:41 PM Subject: Re: Re: [Qemu-devel] [questions] about KVM as aMicrosoft-compatiblehypervisor Hi, Vadim I start a vm(windows server 2008 64bit) with below qemu command, get stuck with black screen during boot stage, no error report by qemu and kvm hypervisor, but if I remove the item "hv_vapic", then start and run the VM successfully. /var/run/qemu-server/5195516385344.pid -daemonize -name win2008_iotest -smp sockets=1,cores=1 -cpu core2duo,hv_spinlocks=0xfffffff,hv_relaxed,hv_vapic -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 2048 -usb -drive if=none,id=drive-ide0,media=cdrom,aio=native,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/3600605b006c126da1b0cde571ba48d0d_00e0ed2d202e/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio1,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb -drive file=/sf/data/local/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio2,cache=writethrough,aio=native,forecast=d isable -device virtio-blk-pci,drive=drive-virtio2,id=virtio2,bus=pci.0,addr=0xc,bootindex=101 -netdev type=tap,id=net0,ifname=519551638534400,script=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforc e=on -device virtio-net-pci,mac=FE:FC:FE:58:E0:81,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt,base=localtime -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -post win2008_iotest -enable-kvm -L /boot/pc-bios Seen similar problem before? Any ideas? Thanks, Zhang Haoyu >> >> Hi, Vadim >> >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> >> Any update and other references, please? >> >> >> >> Thanks, >> >> Zhang Haoyu >> >> >> >> >> > >> >Unfortunately, not too much. >> >From the the most recent, we have lazy eoi implemented by >> >MST and reference time counter. >> > >> How to get the source of windows pv-eoi? >I'll be referencing to git://git.kernel.org/pub/scm/virt/kvm/kvm.git > >for lazy eoi please take a look at commit: >b63cf42fd1d8c18fab71222321aaf356f63089c9 > >> And what is "reference time counter", could you provide some references or code, please? >Take a look at commit: >e984097b553ed2d6551c805223e4057421370f00 > >I also suggest reading Hypervisor Functional Specification 3.0a provided >by Microsoft and available for downloading >from http://www.microsoft.com/en-au/download/details.aspx?id=39289 > >Best regards, >Vadim. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM as aMicrosoft-compatiblehypervisor @ 2014-08-04 5:09 ` Vadim Rozenfeld 0 siblings, 0 replies; 15+ messages in thread From: Vadim Rozenfeld @ 2014-08-04 5:09 UTC (permalink / raw) To: Zhang Haoyu; +Cc: Jidong Xiao, qemu-devel, kvm Hi Zhang, No I haven't seen such problem Which kernel version are you running? Does it include the latest lazy eli changes? Btw, hv_spinlocks=0xfffffff is a pretty huge value. Best regards, Vadim. ----- Original Message ----- From: "Zhang Haoyu" <zhanghy@sangfor.com> To: "Vadim Rozenfeld" <vrozenfe@redhat.com> Cc: "Jidong Xiao" <jidong.xiao@gmail.com>, "qemu-devel" <qemu-devel@nongnu.org>, "kvm" <kvm@vger.kernel.org> Sent: Monday, August 4, 2014 12:17:41 PM Subject: Re: Re: [Qemu-devel] [questions] about KVM as aMicrosoft-compatiblehypervisor Hi, Vadim I start a vm(windows server 2008 64bit) with below qemu command, get stuck with black screen during boot stage, no error report by qemu and kvm hypervisor, but if I remove the item "hv_vapic", then start and run the VM successfully. /var/run/qemu-server/5195516385344.pid -daemonize -name win2008_iotest -smp sockets=1,cores=1 -cpu core2duo,hv_spinlocks=0xfffffff,hv_relaxed,hv_vapic -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 2048 -usb -drive if=none,id=drive-ide0,media=cdrom,aio=native,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/3600605b006c126da1b0cde571ba48d0d_00e0ed2d202e/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio1,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb -drive file=/sf/data/local/images/host-00e0ed2d202e/win2008_iotest.vm/vm-disk-1.qcow2,if=none,id=drive-virtio2,cache=writethrough,aio=native,forecast=disable -device virtio-blk-pci,drive=drive-virtio2,id=virtio2,bus=pci.0,addr=0xc,bootindex=101 -netdev type=tap,id=net0,ifname=519551638534400,script=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforc e=on -device virtio-net-pci,mac=FE:FC:FE:58:E0:81,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt,base=localtime -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -post win2008_iotest -enable-kvm -L /boot/pc-bios Seen similar problem before? Any ideas? Thanks, Zhang Haoyu >> >> Hi, Vadim >> >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>, >> >> Any update and other references, please? >> >> >> >> Thanks, >> >> Zhang Haoyu >> >> >> >> >> > >> >Unfortunately, not too much. >> >From the the most recent, we have lazy eoi implemented by >> >MST and reference time counter. >> > >> How to get the source of windows pv-eoi? >I'll be referencing to git://git.kernel.org/pub/scm/virt/kvm/kvm.git > >for lazy eoi please take a look at commit: >b63cf42fd1d8c18fab71222321aaf356f63089c9 > >> And what is "reference time counter", could you provide some references or code, please? >Take a look at commit: >e984097b553ed2d6551c805223e4057421370f00 > >I also suggest reading Hypervisor Functional Specification 3.0a provided >by Microsoft and available for downloading >from http://www.microsoft.com/en-au/download/details.aspx?id=39289 > >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM asaMicrosoft-compatiblehypervisor 2014-08-04 2:17 ` [Qemu-devel] " Zhang Haoyu (?) (?) @ 2014-08-04 6:29 ` Zhang Haoyu 2014-08-06 9:55 ` Vadim Rozenfeld -1 siblings, 1 reply; 15+ messages in thread From: Zhang Haoyu @ 2014-08-04 6:29 UTC (permalink / raw) To: Vadim Rozenfeld; +Cc: Jidong Xiao, qemu-devel, kvm >Hi Zhang, > >No I haven't seen such problem >Which kernel version are you running? Host kernel: RHEL7-RC1(linux-3.10.0). >Does it include the latest lazy eli changes? > lazy eli or lazy eoi? How to confirm whether lazy eli has been included? >Btw, hv_spinlocks=0xfffffff is a pretty huge value. > which value do you advise to use? Thanks, Zhang Haoyu >Best regards, >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVM asaMicrosoft-compatiblehypervisor 2014-08-04 6:29 ` [Qemu-devel] [questions] about KVM asaMicrosoft-compatiblehypervisor Zhang Haoyu @ 2014-08-06 9:55 ` Vadim Rozenfeld 2014-08-08 3:51 ` [Qemu-devel] [questions] about KVMasaMicrosoft-compatiblehypervisor Zhang Haoyu 0 siblings, 1 reply; 15+ messages in thread From: Vadim Rozenfeld @ 2014-08-06 9:55 UTC (permalink / raw) To: Zhang Haoyu; +Cc: Jidong Xiao, qemu-devel, kvm On Mon, 2014-08-04 at 14:29 +0800, Zhang Haoyu wrote: > >Hi Zhang, > > > >No I haven't seen such problem > >Which kernel version are you running? > Host kernel: RHEL7-RC1(linux-3.10.0). > > >Does it include the latest lazy eli changes? > > > lazy eli or lazy eoi? EOI > How to confirm whether lazy eli has been included? > not in linux-3.10.0 > >Btw, hv_spinlocks=0xfffffff is a pretty huge value. > > > which value do you advise to use? MS seems to be using 0xffff as a default. best regards, Vadim. > > Thanks, > Zhang Haoyu > >Best regards, > >Vadim. > > ^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: [Qemu-devel] [questions] about KVMasaMicrosoft-compatiblehypervisor 2014-08-06 9:55 ` Vadim Rozenfeld @ 2014-08-08 3:51 ` Zhang Haoyu 0 siblings, 0 replies; 15+ messages in thread From: Zhang Haoyu @ 2014-08-08 3:51 UTC (permalink / raw) To: Vadim Rozenfeld; +Cc: Jidong Xiao, qemu-devel, kvm >> >Hi Zhang, >> > >> >No I haven't seen such problem >> >Which kernel version are you running? >> Host kernel: RHEL7-RC1(linux-3.10.0). >> >> >Does it include the latest lazy eli changes? >> > >> lazy eli or lazy eoi? >EOI >> How to confirm whether lazy eli has been included? >> >not in linux-3.10.0 So, do you mean hv_vapic need the support of lazy eoi? >> >Btw, hv_spinlocks=0xfffffff is a pretty huge value. >> > >> which value do you advise to use? >MS seems to be using 0xffff as a default. >best regards, >Vadim. >> >> Thanks, >> Zhang Haoyu >> >Best regards, >> >Vadim. ^ permalink raw reply [flat|nested] 15+ messages in thread
end of thread, other threads:[~2014-08-08 3:53 UTC | newest] Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-06-30 1:39 [questions] about KVM as a Microsoft-compatible hypervisor Zhang Haoyu 2014-06-30 1:39 ` [Qemu-devel] " Zhang Haoyu 2014-06-30 10:02 ` Vadim Rozenfeld 2014-06-30 10:19 ` Jidong Xiao 2014-06-30 11:36 ` Vadim Rozenfeld 2014-06-30 11:45 ` Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatiblehypervisor Zhang Haoyu 2014-06-30 11:45 ` Zhang Haoyu 2014-06-30 12:18 ` Vadim Rozenfeld 2014-08-04 2:17 ` [questions] about KVM as aMicrosoft-compatiblehypervisor Zhang Haoyu 2014-08-04 2:17 ` [Qemu-devel] " Zhang Haoyu 2014-08-04 5:09 ` Vadim Rozenfeld 2014-08-04 5:09 ` Vadim Rozenfeld 2014-08-04 6:29 ` [Qemu-devel] [questions] about KVM asaMicrosoft-compatiblehypervisor Zhang Haoyu 2014-08-06 9:55 ` Vadim Rozenfeld 2014-08-08 3:51 ` [Qemu-devel] [questions] about KVMasaMicrosoft-compatiblehypervisor Zhang Haoyu
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