search for: xfeature_low

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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 tr...