Displaying 1 result from an estimated 1 matches for "xfeature_high".
2010 Oct 29
1
[Patch 0/4] Refining Xsave/Xrestore support - Version 2
Hi, Keir,
The following patches refines Xen support for CPU Xsave/Xrestore
support. There are four patches included.
Patch 1/4:
Cleaning up existing Xsave code in Xen.
Replace xfeature_low and xfeature_high with a u64 variable
xfeature_mask.
In structure hvm_vcpu, rename xfeature_mask to xcr0
Provide EDX:EAX with all bits set to 1 for XSAVE and XRSTOR as
spec recommends
Patch 2/4:
Adding Xsave/Xrestore support for PV guests. Feature is exposed
via CPUID. XSETBV is trapped and emulated...