Commit 6b7fb950 authored Dec 08, 2022 by Wang ShaoBo Committed by Zheng Zengkai Dec 08, 2022

arm64/mpam: decrease dom_num when domain goes offline

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I61CPK


CVE: NA

--------------------------------

mpam_resctrl_setup_domain() increase dom_num when domain goes online. As
a result, mpam_resctrl_cpu_offline() should decrease dom_num when domain
goes offline.

Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent 3087a9ff

arch/arm64/kernel/mpam/mpam_setup.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -172,6 +172,8 @@ int mpam_resctrl_cpu_offline(unsigned int cpu)
		list_del(&d->list);
		dom = container_of(d, struct mpam_resctrl_dom, resctrl_dom);
		kfree(dom);

		res->resctrl_res.dom_num--;
		}

		mpam_resctrl_clear_default_cpu(cpu);