Re: Help With Identifying CPUID faulting logic in Xen code

2025-01-03 Thread Fonyuy-Asheri Caleb
Thank you Caleb - Original Message - > From: "Andrew Cooper" > To: "Fonyuy-Asheri Caleb" , "xen-devel" > > Cc: "Jan Beulich" > Sent: Friday, January 3, 2025 3:35:43 PM > Subject: Re: Help With Identifying CPUID faulting logic

Re: Help With Identifying CPUID faulting logic in Xen code

2025-01-03 Thread Andrew Cooper
On 03/01/2025 2:25 pm, Fonyuy-Asheri Caleb wrote: > Hello, > > I am interested in finding understanding how xen handles CPUID > faulting and  > VM exits in general. Please can someone indicate to me the concerned > files?  > > I want to know how xen detects the execution of the CPUID instruction an

Help With Identifying CPUID faulting logic in Xen code

2025-01-03 Thread Fonyuy-Asheri Caleb
Hello, I am interested in finding understanding how xen handles CPUID faulting and VM exits in general. Please can someone indicate to me the concerned files? I want to know how xen detects the execution of the CPUID instruction and ensures a guest only gets the features defined in cpuid-auto