On Fri, Oct 12, 2012 at 03:56:05PM -0400, Don Slutz wrote: > Also known as Paravirtualization CPUIDs. > > This is primarily done so that the guest will think it is running > under vmware when hypervisor-vendor=vmware is specified as a > property of a cpu. > > Patches 1 to 3 define new cpu properties. > Patches 4 to 6 Add QOM access to the new properties. > Patches 7 to 9 Add setting of these when cpu features hv_spinlocks, > hv_relaxed, or hv_vapic are specified. > Patches 10 to 12 Change kvm to use these. > Patch 13 Add VMware timing info to kvm. > Patch 14 Makes it easier to use hypervisor-vendor=vmware. > Patches 15 to 17 Change tcg to use the new properties. > > This depends on: > > http://lists.gnu.org/archive/html/qemu-devel/2012-09/msg01400.html > > As far as I know it is #4. It depends on (1) and (2) and (3). > > This change is based on: > > Microsoft Hypervisor CPUID Leaves: > http://msdn.microsoft.com/en-us/library/windows/hardware/ff542428%28v=vs.85%29.aspx > > Linux kernel change starts with: > http://fixunix.com/kernel/538707-use-cpuid-communicate-hypervisor.html > Also: > http://lkml.indiana.edu/hypermail/linux/kernel/1205.0/00100.html > > VMware documention on CPUIDs (Mechanisms to determine if software is > running in a VMware virtual machine): > http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 > > Changes from v6 to v7: > Subject changed from "Allow changing of Hypervisor CPUIDs." to "target-i386: Add way to expose VMWare CPUID" > Split out 01/16 target-i386: Add missing kvm bits. > It is no longer related to this patch set. Will be top posted as a seperate patch. > Marcelo Tosatti: > Better commit messages. > Reorder patches. > > > Changes from v5 to v6: > Split out 01/17: target-i386: Allow tsc-frequency to be larger then 2.147G > It has been accepted as a trivial patch: > http://lists.gnu.org/archive/html/qemu-devel/2012-09/msg03959.html > Blue Swirl: > Fix 2 checkpatch.pl "WARNING: line over 80 characters". > > Changes from v4 to v5: > Undo kvm_clock2 change. > Add cpuid_hv_level_set; cpuid_hv_level == 0 is now valid. > Add cpuid_hv_vendor_set; the null string is now valid. > Handle kvm and cpuid_hv_level == 0. > hypervisor-vendor=kvm,hypervisor-level=0 and hypervisor-level=0,hypervisor-vendor=kvm > now do the same thing. > > Changes from v3 to v4: > Added CPUID_HV_LEVEL_HYPERV, CPUID_HV_LEVEL_KVM. > Added CPUID_HV_VENDOR_HYPERV. > Added hyperv as known hypservisor-vendor. > Allow hypervisor-level to be 0. > > Changes from v2 to v3: > Clean post to qemu-devel. > > Changes from v1 to v2: > > 1) Added 1/4 from http://lists.gnu.org/archive/html/qemu-devel/2012-08/msg05153.html > > Because Fred is changing jobs and so will not be pushing to get > this in. It needed to be rebased, And I needed it to complete the > testing of this change. > > 2) Added 2/4 because of the re-work I needed a way to clear all KVM bits, > > 3) The rework of v1. Make it fit into the object model re-work of cpu.c for x86. > > 4) Added 3/4 -- The split out of the code that is not needed for accel=kvm. > > Changes from v2 to v3: > > Marcelo Tosatti: > Its one big patch, better split in logically correlated patches > (with better changelog). This would help reviewers. > > So split 3 and 4 into 3 to 17. More info in change log. > No code change. > > Don Slutz (17): > target-i386: Add Hypervisor level. > target-i386: Add Hypervisor vendor. > target-i386: Add Hypervisor features. > target-i386: Add cpu object access routines for Hypervisor level. > target-i386: Add cpu object access routines for Hypervisor vendor. > target-i386: Add cpu object access routines for Hypervisor features. > target-i386: Add x86_set_hyperv. > target-i386: Use x86_set_hyperv to set hypervisor vendor. > target-i386: Use x86_set_hyperv to set hypervisor features. > target-i386: Use Hypervisor level in -machine pc,accel=kvm. > target-i386: Use Hypervisor vendor in -machine pc,accel=kvm. > target-i386: Use Hypervisor features in -machine pc,accel=kvm. > target-i386: Add VMWare CPUID Timing information in -machine > pc,accel=kvm. > target-i386: Add vmare as a known name to Hypervisor vendor. > target-i386: Use Hypervisor level in -machine pc,accel=tcg. > target-i386: Use Hypervisor vendor in -machine pc,accel=tcg. > target-i386: target-i386: Add VMWare CPUID Timing information in > -machine pc,accel=tcg > > target-i386/cpu.c | 205 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > target-i386/cpu.h | 29 ++++++++ > target-i386/kvm.c | 69 +++++++++++++++---- > 3 files changed, 290 insertions(+), 13 deletions(-) > Looks good overall. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
