diff --git a/cpu-parse-feature-to-avoid-failure.patch b/cpu-parse-feature-to-avoid-failure.patch
new file mode 100644
index 0000000..4ae42d9
--- /dev/null
+++ b/cpu-parse-feature-to-avoid-failure.patch
@@ -0,0 +1,68 @@
+From ef83cde8dd2c9b404527354489b14d2bd238733d Mon Sep 17 00:00:00 2001
+From: Xu Yandong <xuyandong2@huawei.com>
+Date: Tue, 8 Feb 2022 20:48:17 +0800
+Subject: [PATCH] cpu: parse +/- feature to avoid failure
+
+To avoid cpu feature parse failure, +/- feature is added.
+
+Signed-off-by: Xu Yandong <xuyandong2@huawei.com>
+Signed-off-by: Mingwang Li <limingwang@huawei.com>
+---
+ target/arm/cpu64.c | 37 +++++++++++++++++++++++++++++++++++++
+ 1 file changed, 37 insertions(+)
+
+diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
+index 15245a60a8..019edc66c9 100644
+--- a/target/arm/cpu64.c
++++ b/target/arm/cpu64.c
+@@ -933,10 +933,47 @@ static gchar *aarch64_gdb_arch_name(CPUState *cs)
+     return g_strdup("aarch64");
+ }
+ 
++/* Parse "+feature,-feature,feature=foo" CPU feature string
++ */
++static void arm_cpu_parse_featurestr(const char *typename, char *features,
++                                     Error **errp )
++{
++    char *featurestr;
++    char *val;
++    static bool cpu_globals_initialized;
++
++    if (cpu_globals_initialized) {
++        return;
++    }
++    cpu_globals_initialized = true;
++
++    featurestr = features ? strtok(features, ",") : NULL;
++    while (featurestr) {
++        val = strchr(featurestr, '=');
++        if (val) {
++            GlobalProperty *prop = g_new0(typeof(*prop), 1);
++            *val = 0;
++            val++;
++            prop->driver = typename;
++            prop->property = g_strdup(featurestr);
++            prop->value = g_strdup(val);
++            qdev_prop_register_global(prop);
++        } else if (featurestr[0] == '+' || featurestr[0] == '-') {
++            warn_report("Ignore %s feature\n", featurestr);
++        } else {
++            error_setg(errp, "Expected key=value format, found %s.",
++                       featurestr);
++            return;
++        }
++        featurestr = strtok(NULL, ",");
++    }
++}
++
+ static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
+ {
+     CPUClass *cc = CPU_CLASS(oc);
+ 
++    cc->parse_features = arm_cpu_parse_featurestr;
+     cc->gdb_read_register = aarch64_cpu_gdb_read_register;
+     cc->gdb_write_register = aarch64_cpu_gdb_write_register;
+     cc->gdb_num_core_regs = 34;
+-- 
+2.27.0
+