Re: SEV, SEV-ES, SEV-SNP

2023-08-29 Thread Daniel P . Berrangé
On Tue, Aug 29, 2023 at 09:54:40AM +0200, Erik Skultety wrote: > On Mon, Aug 28, 2023 at 02:10:42PM -0700, Derek Lee wrote: > > When SEV is enabled in domcapabilities does that just mean any of SEV, > > SEV-ES, SEV-SNP is possible on the hardware? > > No, only means that the CPU has 'sev' in the

Re: SEV, SEV-ES, SEV-SNP

2023-08-29 Thread Erik Skultety
On Mon, Aug 28, 2023 at 02:10:42PM -0700, Derek Lee wrote: > When SEV is enabled in domcapabilities does that just mean any of SEV, > SEV-ES, SEV-SNP is possible on the hardware? No, only means that the CPU has 'sev' in the flags. On its own it doesn't say anything about the ES/SNP features. It m

Performance Discrepancies and Limitations in Local Storage IOPS Testing

2023-08-29 Thread Jan Wasilewski
Hi, In the past few weeks, I conducted performance tests to evaluate IOPS (Input/Output Operations Per Second) performance for locally attached disks. The original discussion started on the openstack-discuss mailing list since all the tests were conducted within an OpenStack cloud environment. How

Re: CAN virtualization

2023-08-29 Thread Martin Kletzander
On Wed, Aug 23, 2023 at 01:15:36PM +, Sánta, Márton (ext) wrote: Dear Users, I use KVM with libvirt 9.0.0. The host and guest OS-es are also AGL needlefish images. I am currently trying to virtualize a CAN driver and provide virtual machines access to the physical CAN channels. I started