Commit a5ef7d68 authored by Pu Wen's avatar Pu Wen Committed by Ingo Molnar
Browse files

x86/srso: Add SRSO mitigation for Hygon processors 



Add mitigation for the speculative return stack overflow vulnerability
which exists on Hygon processors too.

Signed-off-by: default avatarPu Wen <puwen@hygon.cn>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Acked-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/tencent_4A14812842F104E93AA722EC939483CEFF05@qq.com
parent 94adf495

arch/x86/kernel/cpu/common.c

+1 −1
Original line number Diff line number Diff line
@@ -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),

	{}

};