Re: [PATCH v2] x86/hyperv: Allow 15-bit APIC IDs for VTL platforms

2024-03-01 Thread Wei Liu
On Tue, Jan 16, 2024 at 03:25:47PM +, Michael Kelley wrote: > From: Saurabh Sengar Sent: Monday, January 15, > 2024 9:58 AM > > > > The current method for signaling the compatibility of a Hyper-V host > > with MSIs featuring 15-bit APIC IDs relies on a synthetic cpuid leaf. > > However, for

RE: [PATCH v2] x86/hyperv: Allow 15-bit APIC IDs for VTL platforms

2024-01-16 Thread Michael Kelley
From: Saurabh Sengar Sent: Monday, January 15, 2024 9:58 AM > > The current method for signaling the compatibility of a Hyper-V host > with MSIs featuring 15-bit APIC IDs relies on a synthetic cpuid leaf. > However, for higher VTLs, this leaf is not reported, due to the absence > of an IO-APIC.