!1696 Revert "arm64/mpam: Fix mpam corrupt when cpu online"

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang ShaoBo <bobo.shaobowang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZNHCPUGKPZ3MVQUTQ3JGCFC6ISX3P3I5/ 
 
https://gitee.com/openeuler/kernel/issues/I7PN0A 
 
Link:https://gitee.com/openeuler/kernel/pulls/1696 

Reviewed-by: Wei Li <liwei391@huawei.com> 
Signed-off-by: Liu YongQiang <liuyongqiang13@huawei.com> 

arch/arm64/kernel/mpam/mpam_device.c

@@ -596,11 +596,9 @@ static void mpam_enable(struct work_struct *work)
 		pr_err("Failed to setup/init resctrl\n");
 	mutex_unlock(&mpam_devices_lock);
 
-	local_irq_disable();
 	mpam_cpuhp_state = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
 						"mpam:online", mpam_cpu_online,
 						mpam_cpu_offline);
-	local_irq_enable();
 	if (mpam_cpuhp_state <= 0)
 		pr_err("Failed to re-register 'dyn' cpuhp callbacks");
 	mutex_unlock(&mpam_cpuhp_lock);