AMD Epyc Spectre Mitigation inside VM / STIBP

2020-04-15 Thread Stefan Priebe - Profihost AG
Hello, while playing with an AMD Epyc System and Qemu 3.1.1.1 i was wondering about the CPU Flags needed for full meltdown / spectre mitigation. First i added the following patch to Qemu to add STIBP support: >From 60345b5c0819975b6b4e3a531281aaad724dbcf0 Mon Sep 17 00:00:00 2001 From: Eduardo

AMD Epyc Spectre Mitigation inside VM / STIBP

2020-04-15 Thread Stefan Priebe - Profihost AG
Hello, while playing with an AMD Epyc System and Qemu 3.1.1.1 i was wondering about the CPU Flags needed for full meltdown / spectre mitigation. First i added the following patch to Qemu to add STIBP support: >From 60345b5c0819975b6b4e3a531281aaad724dbcf0 Mon Sep 17 00:00:00 2001 From: Eduardo