From: yangjinqian <yangjinqian1@huawei.com> virt inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IBN3WI ------------------------------------------------------------------------ The HIP09 processor is vulnerable to the Spectre-BHB (Branch History Buffer) attack, which can be exploited to leak information through branch prediction side channels. This commit adds the MIDR of HIP09 to the list for software mitigation. Signed-off-by: Jinqian Yang <yangjinqian1@huawei.com> Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> --- arch/arm64/kernel/proton-pack.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 4bca7ad7b5e3..6b62a9776850 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -865,6 +865,7 @@ u8 spectre_bhb_loop_affected(int scope) static const struct midr_range spectre_bhb_k24_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A76), MIDR_ALL_VERSIONS(MIDR_CORTEX_A77), + MIDR_ALL_VERSIONS(MIDR_HISI_LINXICORE9100), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), {}, }; -- 2.33.0