Re: [PATCH] x86/hyperv/vtl: Stop kernel from probing VTL0 low memory

2025-02-11 Thread Wei Liu
On Fri, Jan 17, 2025 at 09:01:41AM -0800, Roman Kisel wrote: > > For Linux, running in Hyper-V VTL (Virtual Trust Level), kernel in VTL2 > > tries to access VTL0 low memory in probe_roms. This memory is not > > described in the e820 map. Initialize probe_roms call to no-ops > > during boot for VTL2

[PATCH] x86/hyperv/vtl: Stop kernel from probing VTL0 low memory

2025-01-17 Thread Roman Kisel
> For Linux, running in Hyper-V VTL (Virtual Trust Level), kernel in VTL2 > tries to access VTL0 low memory in probe_roms. This memory is not > described in the e820 map. Initialize probe_roms call to no-ops > during boot for VTL2 kernel to avoid this. The issue got identified > in OpenVMM which de

[PATCH] x86/hyperv/vtl: Stop kernel from probing VTL0 low memory

2025-01-15 Thread Naman Jain
For Linux, running in Hyper-V VTL (Virtual Trust Level), kernel in VTL2 tries to access VTL0 low memory in probe_roms. This memory is not described in the e820 map. Initialize probe_roms call to no-ops during boot for VTL2 kernel to avoid this. The issue got identified in OpenVMM which detects inva