From: Pu Wen <puwen@hygon.cn>
Date: Thu, 28 Sep 2023 14:59:16 +0800
Subject: x86/srso: Add SRSO mitigation for Hygon processors
Git-commit: a5ef7d68cea1344cf524f04981c2b3f80bedbb0d
Patch-mainline: 6.6-rc4
References: bsc#1220735 CVE-2023-52482
Add mitigation for the speculative return stack overflow vulnerability
which exists on Hygon processors too.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/tencent_4A14812842F104E93AA722EC939483CEFF05@qq.com
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
arch/x86/kernel/cpu/common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1050,7 +1050,7 @@ static const struct x86_cpu_id cpu_vuln_
VULNBL_AMD(0x15, RETBLEED),
VULNBL_AMD(0x16, RETBLEED),
VULNBL_AMD(0x17, RETBLEED | SRSO),
- VULNBL_HYGON(0x18, RETBLEED),
+ VULNBL_HYGON(0x18, RETBLEED | SRSO),
VULNBL_AMD(0x19, SRSO),
{}
};