Re: [PATCH] KVM: nVMX: do not warn when MSR bitmap address is not backed

2017-03-07 09:12-0800, Jim Mattson: > I believe this behavior would be documented in the chipset data sheet > rather than the SDM, since the chipset returns all 1s for an unclaimed > read. Good point, thanks. I'll add it as commit comment when applying. I looked at some data sheets, but couldn't

Re: [PATCH] KVM: nVMX: do not warn when MSR bitmap address is not backed

I believe this behavior would be documented in the chipset data sheet rather than the SDM, since the chipset returns all 1s for an unclaimed read. Reviewed-by: Jim Mattson On Tue, Mar 7, 2017 at 8:51 AM, Radim Krčmář wrote: > Before trying to do nested_get_page() in nested_vmx_merge_msr_bitmap(

[PATCH] KVM: nVMX: do not warn when MSR bitmap address is not backed

Before trying to do nested_get_page() in nested_vmx_merge_msr_bitmap(), we have already checked that the MSR bitmap address is valid (4k aligned and within physical limits). SDM doesn't specify what happens if the there is no memory mapped at the valid address, but Intel CPUs treat the situation a