Unverified Commit 8d661f2f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!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: default avatarWei Li <liwei391@huawei.com>
Signed-off-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
parents 3019c879 34176ea6

arch/arm64/kernel/mpam/mpam_device.c

+0 −2
Original line number Diff line number Diff line
@@ -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);