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| author | Andrew Cooper <andrew.cooper3@citrix.com> | 2022-06-24 15:41:21 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-06-27 10:34:01 +0200 |
| commit | 26aae8ccbc1972233afd08fb3f368947c0314265 (patch) | |
| tree | 707c1db81342922fac0b75877fe4e13084589e3d /arch/x86/include/asm/static_call.h | |
| parent | x86/common: Stamp out the stepping madness (diff) | |
| download | linux-26aae8ccbc1972233afd08fb3f368947c0314265.tar.xz linux-26aae8ccbc1972233afd08fb3f368947c0314265.zip | |
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>
Diffstat (limited to 'arch/x86/include/asm/static_call.h')
0 files changed, 0 insertions, 0 deletions