New Zhaoxin family 7 CPUs are not affected by SPECTRE_V2, SWAPGS.
Extend cpu_vuln_whitelist flag with a NO_SPECTRE_V2 bit. And add these CPUs to the cpu vulnerability whitelist.
LeoLiu-oc (2): x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2 Subject: [patch v1 2/2] x86/speculation/swapgs: Exclude Zhaoxin CPUs from SWAPGS vulnerability
arch/x86/kernel/cpu/common.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
On 2021/3/25 18:08, LeoLiu-oc wrote:
New Zhaoxin family 7 CPUs are not affected by SPECTRE_V2, SWAPGS.
Extend cpu_vuln_whitelist flag with a NO_SPECTRE_V2 bit. And add these CPUs to the cpu vulnerability whitelist.
LeoLiu-oc (2): x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2 Subject: [patch v1 2/2] x86/speculation/swapgs: Exclude Zhaoxin CPUs from SWAPGS vulnerability
arch/x86/kernel/cpu/common.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
Reviewed-by: Hanjun Guo guohanjun@huawei.com
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Hanjun Guo -
LeoLiu-oc