Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-17 Thread Bandan Das
Paolo Bonzini writes: > On 17/02/2017 01:45, Bandan Das wrote: >> Paolo Bonzini writes: >> >>> The FPU is always active now when running KVM. >> >> The lazy code was a performance optimization, correct ? >> Is this just dormant code and being removed

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-17 Thread Bandan Das
Paolo Bonzini writes: > On 17/02/2017 01:45, Bandan Das wrote: >> Paolo Bonzini writes: >> >>> The FPU is always active now when running KVM. >> >> The lazy code was a performance optimization, correct ? >> Is this just dormant code and being removed ? Maybe >> mentioning the reasoning in a

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-17 Thread Paolo Bonzini
On 17/02/2017 01:45, Bandan Das wrote: > Paolo Bonzini writes: > >> The FPU is always active now when running KVM. > > The lazy code was a performance optimization, correct ? > Is this just dormant code and being removed ? Maybe > mentioning the reasoning in a little more

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-17 Thread Paolo Bonzini
On 17/02/2017 01:45, Bandan Das wrote: > Paolo Bonzini writes: > >> The FPU is always active now when running KVM. > > The lazy code was a performance optimization, correct ? > Is this just dormant code and being removed ? Maybe > mentioning the reasoning in a little more detail is a good >

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread Bandan Das
Paolo Bonzini writes: > The FPU is always active now when running KVM. The lazy code was a performance optimization, correct ? Is this just dormant code and being removed ? Maybe mentioning the reasoning in a little more detail is a good idea. The removal itself looks

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread Bandan Das
Paolo Bonzini writes: > The FPU is always active now when running KVM. The lazy code was a performance optimization, correct ? Is this just dormant code and being removed ? Maybe mentioning the reasoning in a little more detail is a good idea. The removal itself looks clean. I was really

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread David Matlack
On Thu, Feb 16, 2017 at 1:33 AM, Paolo Bonzini wrote: > > The FPU is always active now when running KVM. > > Signed-off-by: Paolo Bonzini Reviewed-by: David Matlack Glad to see this cleanup! Thanks for doing it. > --- >

Re: [PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread David Matlack
On Thu, Feb 16, 2017 at 1:33 AM, Paolo Bonzini wrote: > > The FPU is always active now when running KVM. > > Signed-off-by: Paolo Bonzini Reviewed-by: David Matlack Glad to see this cleanup! Thanks for doing it. > --- > arch/x86/include/asm/kvm_host.h | 3 -- > arch/x86/kvm/cpuid.c

[PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread Paolo Bonzini
The FPU is always active now when running KVM. Signed-off-by: Paolo Bonzini --- arch/x86/include/asm/kvm_host.h | 3 -- arch/x86/kvm/cpuid.c| 2 - arch/x86/kvm/svm.c | 43 ++- arch/x86/kvm/vmx.c | 112

[PATCH] KVM: x86: remove code for lazy FPU handling

2017-02-16 Thread Paolo Bonzini
The FPU is always active now when running KVM. Signed-off-by: Paolo Bonzini --- arch/x86/include/asm/kvm_host.h | 3 -- arch/x86/kvm/cpuid.c| 2 - arch/x86/kvm/svm.c | 43 ++- arch/x86/kvm/vmx.c | 112