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x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2
authorTony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Fri, 17 Jan 2020 02:24:31 +0000 (10:24 +0800)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 17 Jan 2020 18:13:47 +0000 (19:13 +0100)
commit1e41a766c98b481400ab8c5a7aa8ea63a1bb03de
tree4b239871213c6b1aca8484d6d709604c5fc40843tree | snapshot
parent5efc6fa9044c3356d6046c6e1da6d02572dbed6bcommit | diff
x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2

New Zhaoxin family 7 CPUs are not affected by SPECTRE_V2. So define a
separate cpu_vuln_whitelist bit NO_SPECTRE_V2 and add these CPUs to the cpu
vulnerability whitelist.

Signed-off-by: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/1579227872-26972-2-git-send-email-TonyWWang-oc@zhaoxin.com
arch/x86/kernel/cpu/common.c diff | blob | history
Domain: System / Kernel;