On Thu, Sep 28, 2023 at 02:59:16PM +0800, Pu Wen wrote:
> From: Pu Wen <puwen@xxxxxxxx>
>
> Add mitigation for the speculative return stack overflow vulnerability
> which exists on Hygon processors.
>
> Signed-off-by: Pu Wen <puwen@xxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxx>
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
