search for: vpid

Hi, (Assume VPID is available and enabled.) I''m trying to figure the TLB stuff with VPIDs. I understand from the poorly written chapter in the intel manual that if an HVM vcpu is running then only the TLBs tagged with the vcpu.VPID will be used. If xen or a PV guest is running, then VPID 0 TLBs are what w...

Hello, In processors supporting VPID I think we should invalidate the VPID mapping in the TLB after a shadow invlpg (in case EPT is turned off). Signed-off-by: Gianluca Guida <gianluca.guida@eu.citrix.com> Gianluca _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://li...

...rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm bogomips : 6795.58 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 60 model name : Intel(R) Core(TM) i7-4770 CPU @ 3...

...logy > nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx > est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt > tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb > xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase > tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm > bogomips : 6795.91 > clflush size : 64 > cache_alignment : 64 > address sizes : 39 bits physical, 48 bits virtual > power management: > > Is there a place in the code I can look where the CPU flags are checked...

...rch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmpe...

...t at xenserver2 ~]# egrep '(vmx|svm)' --color=always /proc/cpuinfo flags: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi mmx fxsr sse sse2 ss ht nx constant_tsc nonstop_tsc aperfmperf pni vmx est ssse3 sse4_1 sse4_2 popcnt hypervisor arat tpr_shadow vnmi flexpriority ept vpid flags: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi mmx fxsr sse sse2 ss ht nx constant_tsc nonstop_tsc aperfmperf pni vmx est ssse3 sse4_1 sse4_2 popcnt hypervisor arat tpr_shadow vnmi flexpriority ept vpid flags: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush...

> -------- Original message -------- > Subject: Re: [libvirt-users] Can I configure cores instead of CPU's > From: Todd And Margo Chester <toddandmargo at gmail.com> > To: "libvirt-users at redhat.com" <libvirt-users at redhat.com> > CC: > > > Hi All, > > Scientific Linux 6.1 x64 > qemu-kvm-0.12.1.2-2.160.el6_1.2.x86_64 > > My XP-Pro

...perf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx bogomips : 6816.05 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 17:13:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Li...

...version 21 (XEN) Processor #7 7:14 APIC version 21 (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2533.407 MHz processor. (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging detected and enabled. (XEN) VMX: MSR intercept bitmap enabled (XEN) I/O virtualisation disabled (XEN) CPU0: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 1/2 eip 90000 (XEN) , L1 D cache:...

..._good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid And this is what I get in the guest: model name : Intel Xeon E312xx (Sandy Bridge) flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb lm constant_tsc pni ssse3 cx16 s...

...syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 x2apic popcnt aes xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid bogomips : 3989.86 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: On an otherwise completely idle system I've noticed the load to be 1.0 to 1.5 range. Running "top" shows the culprit to be: qemu-kvm. Is this no...

...arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid I've just managed to install the libvirt-bin:amd64 package on the same machine, on the wheezy-i386 distribution. The output of 'virsh capabilities' is now reported correctly, and my VMs that required SandyBridge are now booting. Have you any further suggestions? Struan On 03/03/2...

Hi, I have hybrid smp running with autoxlate. However, without autoxlate, I am running into issues realted to TLB flush. The guest in this case makes multicalls as part of which cache is flushed (__do_update_va_mapping, etc..). However, the guest is using VPIDs and it is getting complicated. I can just xen not do any TLB management and let the guest just do it after return from the hypercall. That would be simpler than hacking xen further to put in hooks for hybrid. However, before doing that, I am wondering if there is even a usecase for hybrid without...

...rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm bogomips : 6795.91 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: Is there a place in the code I can look where the CPU flags are checked? I did create this VM on the Debian 7 v...

...T: Make ept data structure or operations neutral nEPT: Try to enable EPT paging for L2 guest. nEPT: Sync PDPTR fields if L2 guest in PAE paging mode nEPT: Use minimal permission for nested p2m. nEPT: handle invept instruction from L1 VMM nEPT: expost EPT capablity to L1 VMM nVMX: Expose VPID capability to nested VMM. xen/arch/x86/hvm/hvm.c | 7 +- xen/arch/x86/hvm/svm/nestedsvm.c | 31 +++ xen/arch/x86/hvm/svm/svm.c | 3 +- xen/arch/x86/hvm/vmx/vmcs.c | 2 +- xen/arch/x86/hvm/vmx/vmx.c | 76 +++++--- xen/arch/...

...mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid bogomips : 4259.94 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: *[root at nsn /]# lsmod | grep kvm* kvm_intel 36839 0 - Live 0xffffffffa016c000 kvm 149478 1 kvm_intel, Live 0xffffffffa0137000 has anyone encountered similar...

...Phys. Using 1 I/O APICs (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2261.051 MHz processor. (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) VMX: EPT is available. (XEN) VMX: VPID is available. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging detected. (XEN) CPU0: Intel(R) Xeon(R) CPU E5520 @ 2.27GHz stepping 05 (XEN) Booting processor 1/2 eip 8c000 (XEN)...

...); - show_flag(buffer, hardware->cpu.flags.vnmi, "vnmi ", false); - show_flag(buffer, hardware->cpu.flags.flexpriority, "flexpriority ", false); - show_flag(buffer, hardware->cpu.flags.ept, "ept ", false); - show_flag(buffer, hardware->cpu.flags.vpid, "vpid ", false); + show_flag(buffer, sizeof(buffer), hardware->cpu.flags.fpu, "fpu ", false); + show_flag(buffer, sizeof(buffer), hardware->cpu.flags.vme, "vme ", false); + show_flag(buffer, sizeof(buffer), hardware->cpu.flags.de, "de ", fa...

...perf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx > bogomips : 6816.05 > clflush size : 64 > cache_alignment : 64 > address sizes : 39 bits physical, 48 bits virtual > power management: > > Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 17:13:24 UT...

These patches fix a few compiler warnings. Tested on top of commit aee0dc5565711ef5be7c30fb5fc1c5f3f98db09f Jonathan Boeing (6): Use z width specifier when printing size_t variable pxe: fix truncation warning gpllib: fix sizeof(char *) misuse hdt: fix sizeof(char *) misuse hdt: fix sizeof(char *) misuse hdt: fix sizeof(char *) misuse com32/gpllib/dmi/dmi.c | 24 +++---