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 58a97861bfc5..3d54544008cb 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -853,6 +853,7 @@ 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