| commit | 26aae8ccbc1972233afd08fb3f368947c0314265 | [log] [tgz] |
|---|---|---|
| author | Andrew Cooper <andrew.cooper3@citrix.com> | Fri Jun 24 14:41:21 2022 +0100 |
| committer | Borislav Petkov <bp@suse.de> | Mon Jun 27 10:34:01 2022 +0200 |
| tree | 707c1db81342922fac0b75877fe4e13084589e3d | |
| parent | 7a05bc95ed1c5a59e47aaade9fb4083c27de9e62 [diff] |
x86/cpu/amd: Enumerate BTC_NO BTC_NO indicates that hardware is not susceptible to Branch Type Confusion. Zen3 CPUs don't suffer BTC. Hypervisors are expected to synthesise BTC_NO when it is appropriate given the migration pool, to prevent kernels using heuristics. [ bp: Massage. ] Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Signed-off-by: Borislav Petkov <bp@suse.de>