diff --git a/backport-Add-hot-pull-method-for-irqbalance.patch b/backport-Add-hot-pull-method-for-irqbalance.patch
new file mode 100644
index 0000000..2db673f
--- /dev/null
+++ b/backport-Add-hot-pull-method-for-irqbalance.patch
@@ -0,0 +1,115 @@
+From ef9bf64affbca0b030f9128d93f302296d166dac Mon Sep 17 00:00:00 2001
+From: hejingxian 00273181 <hejingxian@huawei.com>
+Date: Mon, 4 Jan 2021 12:34:02 +0800
+Subject: [PATCH] Add hot pull method for irqbalance
+
+Conflict:NA
+Reference:https://github.com/Irqbalance/irqbalance/commit/ef9bf64affbca0b030f9128d93f302296d166dac
+---
+ classify.c       | 37 +++++++++++++++++++++++++++++++++++++
+ irqbalance.h     |  1 +
+ procinterrupts.c |  4 +++-
+ types.h          |  1 +
+ 4 files changed, 42 insertions(+), 1 deletion(-)
+
+diff --git a/classify.c b/classify.c
+index 4b6ffa8..beb2919 100644
+--- a/classify.c
++++ b/classify.c
+@@ -852,3 +852,39 @@ void sort_irq_list(GList **list)
+ {
+ 	*list = g_list_sort(*list, sort_irqs);
+ }
++
++static void remove_no_existing_irq(struct irq_info *info, void *data __attribute__((unused)))
++{
++	GList *entry = NULL;
++
++	if (info->existing) {
++		/* clear existing flag for next detection */
++		info->existing = 0;
++		return;
++	}
++
++	entry = g_list_find_custom(interrupts_db, info, compare_ints);
++	if (entry)
++		interrupts_db = g_list_delete_link(interrupts_db, entry);
++
++	entry = g_list_find_custom(rebalance_irq_list, info, compare_ints);
++	if (entry)
++		rebalance_irq_list = g_list_delete_link(rebalance_irq_list, entry);
++
++	if(info->assigned_obj) {
++		entry = g_list_find_custom(info->assigned_obj->interrupts, info, compare_ints);
++	    if (entry) {
++			info->assigned_obj->interrupts = g_list_delete_link(info->assigned_obj->interrupts, entry);
++		}
++	}
++	log(TO_CONSOLE, LOG_INFO, "IRQ %d is removed from interrupts_db.\n", info->irq);
++	free_irq(info, NULL);
++}
++
++void clear_no_existing_irqs(void)
++{
++	for_each_irq(NULL, remove_no_existing_irq, NULL);
++	if (banned_irqs) {
++		for_each_irq(banned_irqs, remove_no_existing_irq, NULL);
++	}
++}
++
+diff --git a/irqbalance.h b/irqbalance.h
+index d8e80a9..e7f6b94 100644
+--- a/irqbalance.h
++++ b/irqbalance.h
+@@ -42,6 +42,7 @@ extern void set_interrupt_count(int number, uint64_t count);
+ extern void set_msi_interrupt_numa(int number);
+ extern void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq);
+ extern int proc_irq_hotplug(char *line, int irq, struct irq_info **pinfo);
++extern void clear_no_existing_irqs(void);
+ 
+ extern GList *rebalance_irq_list;
+ extern void force_rebalance_irq(struct irq_info *info, void *data __attribute__((unused)));
+diff --git a/procinterrupts.c b/procinterrupts.c
+index 0671be0..854282f 100644
+--- a/procinterrupts.c
++++ b/procinterrupts.c
+@@ -248,7 +248,6 @@ GList* collect_full_irq_list()
+ 	return tmp_list;
+ }
+ 
+-
+ void parse_proc_interrupts(void)
+ {
+ 	FILE *file;
+@@ -310,6 +309,7 @@ void parse_proc_interrupts(void)
+ 				break;
+ 			}
+ 		}
++		info->existing = 1;
+ 		free(savedline);
+ 
+ 		count = 0;
+@@ -354,6 +354,8 @@ void parse_proc_interrupts(void)
+  		 */
+ 		msi_found_in_sysfs = 1;
+ 	}
++	if (!need_rescan)
++		clear_no_existing_irqs();
+ 	fclose(file);
+ 	free(line);
+ }
+diff --git a/types.h b/types.h
+index a01d649..9693cf4 100644
+--- a/types.h
++++ b/types.h
+@@ -70,6 +70,7 @@ struct irq_info {
+ 	uint64_t last_irq_count;
+ 	uint64_t load;
+ 	int moved;
++	int existing;
+ 	struct topo_obj *assigned_obj;
+ 	char *name;
+ };
+-- 
+2.23.0
+
diff --git a/irqbalance.spec b/irqbalance.spec
index 940d2c0..a6d3a62 100644
--- a/irqbalance.spec
+++ b/irqbalance.spec
@@ -1,7 +1,7 @@
 Summary:        A dynamic adaptive IRQ balancing daemon
 Name:           irqbalance
 Version:        1.7.0
-Release:        7
+Release:        8
 Epoch:          3
 License:        GPLv2
 Source0:        https://github.com/Irqbalance/irqbalance/archive/irqbalance-%{version}.tar.gz
@@ -26,6 +26,7 @@ Patch6001: backport-activate_mapping-activate-only-online-CPUs.patch
 Patch6002: backport-log-correctly-for-isolated-and-nohz_full-cpus.patch
 Patch6003: backport-add-irq-hotplug-feature-for-irqbalance.patch
 Patch6004: backport-Add-log-for-hotplug-appropriately.patch
+Patch6005: backport-Add-hot-pull-method-for-irqbalance.patch
 
 %description
 Irqbalance is a daemon to help balance the cpu load generated by
@@ -83,6 +84,12 @@ fi
 /sbin/chkconfig --del %{name} >/dev/null 2>&1 || :
 
 %changelog
+* Thu Jan 5 2023 qinyu <qinyu32@huawei.com> - 3:1.7.0-8
+- Type:bugfix
+- ID:NA
+- SUG:restart
+- DESC: Add hot pull method for irqbalance
+
 * Thu Jan 5 2023 qinyu <qinyu32@huawei.com> - 3:1.7.0-7
 - Type:bugfix
 - ID:NA