diff options
| author | Reinette Chatre <reinette.chatre@intel.com> | 2018-06-23 00:42:10 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-06-23 13:03:45 +0200 |
| commit | f7a6e3f6f5ffa4926818ea2b3e8994ecef00b84f (patch) | |
| tree | 3a321cc077b39b1e6ff0e590eba6be23d22333f0 /arch/x86/kernel/cpu/intel_rdt.h | |
| parent | x86/intel_rdt: Respect read and write access (diff) | |
| download | linux-f7a6e3f6f5ffa4926818ea2b3e8994ecef00b84f.tar.xz linux-f7a6e3f6f5ffa4926818ea2b3e8994ecef00b84f.zip | |
x86/intel_rdt: Add utility to test if tasks assigned to resource group
In considering changes to a resource group it becomes necessary to know
whether tasks have been assigned to the resource group in question.
Introduce a new utility that can be used to check if any tasks have been
assigned to a particular resource group.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: fenghua.yu@intel.com
Cc: tony.luck@intel.com
Cc: vikas.shivappa@linux.intel.com
Cc: gavin.hindman@intel.com
Cc: jithu.joseph@intel.com
Cc: dave.hansen@intel.com
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/be9ea3969ffd731dfd90c0ebcd5a0e0a2d135bb2.1529706536.git.reinette.chatre@intel.com
Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt.h')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h index 7b872f2cc294..11c76c4b9a5e 100644 --- a/arch/x86/kernel/cpu/intel_rdt.h +++ b/arch/x86/kernel/cpu/intel_rdt.h @@ -480,6 +480,7 @@ bool rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_domain *d, u32 cbm); enum rdtgrp_mode rdtgroup_mode_by_closid(int closid); +int rdtgroup_tasks_assigned(struct rdtgroup *r); struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r); int update_domains(struct rdt_resource *r, int closid); void closid_free(int closid); |