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| author | Vikas Shivappa <vikas.shivappa@linux.intel.com> | 2017-07-25 14:14:44 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-08-01 22:41:28 +0200 |
| commit | 895c663ecef16c8138e20a7d5c052e0fcc400241 (patch) | |
| tree | 73db0eee0642e938a2eb90e7456542d8354bedf9 /arch/x86/kernel/cpu/intel_rdt.h | |
| parent | 748b6b881ccdda8f0663c68605f431279e06f49a (diff) | |
| download | linux-895c663ecef16c8138e20a7d5c052e0fcc400241.tar.gz linux-895c663ecef16c8138e20a7d5c052e0fcc400241.tar.bz2 linux-895c663ecef16c8138e20a7d5c052e0fcc400241.zip | |
x86/intel_rdt/cqm: Add CPU hotplug support
Resource groups have a per domain directory under "mon_data". Add or
remove these directories as and when domains come online and go offline.
Also update the per cpu rmids and cache upon onlining and offlining
cpus.
Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: peterz@infradead.org
Cc: eranian@google.com
Cc: vikas.shivappa@intel.com
Cc: ak@linux.intel.com
Cc: davidcc@google.com
Cc: reinette.chatre@intel.com
Link: http://lkml.kernel.org/r/1501017287-28083-26-git-send-email-vikas.shivappa@linux.intel.com
Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt.h')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h index 7fcaa5f82bd0..2660d15d1712 100644 --- a/arch/x86/kernel/cpu/intel_rdt.h +++ b/arch/x86/kernel/cpu/intel_rdt.h @@ -301,6 +301,11 @@ enum { RDT_NUM_RESOURCES, }; +#define for_each_capable_rdt_resource(r) \ + for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ + r++) \ + if (r->alloc_capable || r->mon_capable) + #define for_each_alloc_capable_rdt_resource(r) \ for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ r++) \ @@ -360,5 +365,9 @@ void free_rmid(u32 rmid); int rdt_get_mon_l3_config(struct rdt_resource *r); void mon_event_count(void *info); int rdtgroup_mondata_show(struct seq_file *m, void *arg); +void rmdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, + unsigned int dom_id); +void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, + struct rdt_domain *d); #endif /* _ASM_X86_INTEL_RDT_H */ |