Re: [Xen-devel] [PATCH 16/27] x86/svm: Improvements using named features

2017-01-04 Thread Andrew Cooper
On 04/01/17 14:52, Boris Ostrovsky wrote: > On 01/04/2017 07:39 AM, Andrew Cooper wrote: >> This avoids calling into hvm_cpuid() to obtain information which is directly >> available. In particular, this avoids the need to overload flag_dr_dirty >> because of hvm_cpuid() being unavailable svm_save_

Re: [Xen-devel] [PATCH 16/27] x86/svm: Improvements using named features

2017-01-04 Thread Boris Ostrovsky
On 01/04/2017 07:39 AM, Andrew Cooper wrote: > This avoids calling into hvm_cpuid() to obtain information which is directly > available. In particular, this avoids the need to overload flag_dr_dirty > because of hvm_cpuid() being unavailable svm_save_dr() "unavailabe in" (or from) > > Signed-off

[Xen-devel] [PATCH 16/27] x86/svm: Improvements using named features

2017-01-04 Thread Andrew Cooper
This avoids calling into hvm_cpuid() to obtain information which is directly available. In particular, this avoids the need to overload flag_dr_dirty because of hvm_cpuid() being unavailable svm_save_dr() Signed-off-by: Andrew Cooper --- CC: Jan Beulich CC: Boris Ostrovsky CC: Suravee Suthikul