On Thu, Sep 28, 2023 at 02:59:16PM +0800, Pu Wen wrote:
From: Pu Wen puwen@hygon.cn
Add mitigation for the speculative return stack overflow vulnerability which exists on Hygon processors.
Signed-off-by: Pu Wen puwen@hygon.cn Cc: stable@vger.kernel.org
arch/x86/kernel/cpu/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 382d4e6b848d..4e5ffc8b0e46 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1303,7 +1303,7 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = { VULNBL_AMD(0x15, RETBLEED), VULNBL_AMD(0x16, RETBLEED), VULNBL_AMD(0x17, RETBLEED | SMT_RSB | SRSO),
- VULNBL_HYGON(0x18, RETBLEED | SMT_RSB),
- VULNBL_HYGON(0x18, RETBLEED | SMT_RSB | SRSO), VULNBL_AMD(0x19, SRSO), {}
};
Acked-by: Borislav Petkov (AMD) bp@alien8.de