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From: Pu Wen <pu_wen@foxmail.com>
To: bp@alien8.de, mingo@redhat.com, dave.hansen@linux.intel.com,
	x86@kernel.org, hpa@zytor.com, peterz@infradead.org,
	kim.phillips@amd.com
Cc: linux-kernel@vger.kernel.org, Pu Wen <puwen@hygon.cn>,
	stable@vger.kernel.org
Subject: [PATCH] x86/srso: Add SRSO mitigation for Hygon processors
Date: Thu, 28 Sep 2023 14:59:16 +0800	[thread overview]
Message-ID: <tencent_4A14812842F104E93AA722EC939483CEFF05@qq.com> (raw)

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),
 	{}
 };
-- 
2.23.0


             reply	other threads:[~2023-09-28  7:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-28  6:59 Pu Wen [this message]
2023-09-28  7:30 ` [PATCH] x86/srso: Add SRSO mitigation for Hygon processors Borislav Petkov
2023-09-28  8:00 ` [tip: x86/urgent] " tip-bot2 for Pu Wen

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