Re: [Qemu-devel] [PATCH 00/15] QEMU KVM_GET_SUPPORTED_CPUID cleanups and fixes

[Marcelo Tosatti]

On Thu, Oct 04, 2012 at 05:48:52PM -0300, Eduardo Habkost wrote:
> Most of this series are just cleanups that will help when making -cpu
> check/enforce work properly, with some fixes.
> 
> In addition to code movements, the main changes are:
>  - x2apic won't be enabled if in-kernel irqchip is disabled
>    (patch 10)
>  - CPUID feature bit filtering is done much earlier, and inside 
> target-i386/cpu.c
>    (patch 13)
>  - CPUID leaf 7 feature bits are now filterd based on GET_SUPPORTED_CPUID too
>    (patch 15)
> 
> Eduardo Habkost (15):
>   i386: kvm: kvm_arch_get_supported_cpuid: move R_EDX hack outside of
>     for loop
>   i386: kvm: kvm_arch_get_supported_cpuid: clean up has_kvm_features
>     check
>   i386: kvm: kvm_arch_get_supported_cpuid: use 'entry' variable
>   i386: kvm: extract register switch to cpuid_entry_get_reg() function
>   i386: kvm: extract CPUID entry lookup to cpuid_find_entry() function
>   i386: kvm: extract try_get_cpuid() loop to get_supported_cpuid()
>     function
>   i386: kvm: kvm_arch_get_supported_cpuid: replace if+switch with
>     single 'if'
>   i386: kvm: set CPUID_EXT_HYPERVISOR on kvm_arch_get_supported_cpuid()
>   i386: kvm: set CPUID_EXT_TSC_DEADLINE_TIMER on
>     kvm_arch_get_supported_cpuid()
>   i386: kvm: x2apic is not supported without in-kernel irqchip
>   i386: kvm: mask cpuid_kvm_features earlier
>   i386: kvm: mask cpuid_ext4_features bits earlier
>   i386: kvm: filter CPUID feature words earlier, on cpu.c
>   i386: kvm: reformat filter_features_for_kvm() code
>   i386: kvm: filter CPUID leaf 7 based on GET_SUPPORTED_CPUID, too
> 
>  kvm.h             |   1 +
>  target-i386/cpu.c |  30 +++++++++++
>  target-i386/kvm.c | 153 
> ++++++++++++++++++++++++++++++++----------------------
>  3 files changed, 122 insertions(+), 62 deletions(-)

Applied to uq/master, thanks.