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authorAndrew Cooper <andrew.cooper3@citrix.com>2022-06-24 14:41:21 +0100
committerBorislav Petkov <bp@suse.de>2022-06-27 10:34:01 +0200
commit26aae8ccbc1972233afd08fb3f368947c0314265 (patch)
tree707c1db81342922fac0b75877fe4e13084589e3d /security/Kconfig
parent7a05bc95ed1c5a59e47aaade9fb4083c27de9e62 (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>
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