On 20/01/2026 11:22 am, Alejandro Vallejo wrote: > On Tue Jan 20, 2026 at 10:53 AM CET, Alejandro Vallejo wrote: >> Bus Locks are very costly and a VM left unchecked spamming instructions that >> lock the memory bus (e.g: unaligned atomic CAS) makes system perf take a >> nosedive. This patch is similar to BLD of VMX, but for SVM. It configures all >> VMRUNs so they automatically exit at the first encounter of a buslock event, >> effectively rate-limiting them. > Does this warrant an entry in the CHANGELOG?
The Intel side got one (back in 4.18 and in the section about Sapphire Rapids). ~Andrew
