From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 22 Jun 2018 15:41:58 -0700
Subject: x86/intel_rdt: Make useful functions available internally
Git-commit: 024d15be3855044faa8bddf829e3613961fd27ba
Patch-mainline: v4.19-rc1
References: fate#324432
In support of the work done to enable resource groups to have different
modes some static functions need to be available for sharing amongst
all RDT components.
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/2af8fd6e937ae4fbdaa52dee1123823cb4993176.1529706536.git.reinette.chatre@intel.com
Acked-by: Borislav Petkov <bp@suse.de>
---
arch/x86/kernel/cpu/intel_rdt.h | 2 ++
arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c | 2 +-
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 2 +-
3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h
index 482dd6d3b8c5..f2fbf4059b3f 100644
--- a/arch/x86/kernel/cpu/intel_rdt.h
+++ b/arch/x86/kernel/cpu/intel_rdt.h
@@ -465,6 +465,8 @@ int rdtgroup_schemata_show(struct kernfs_open_file *of,
struct seq_file *s, void *v);
enum rdtgrp_mode rdtgroup_mode_by_closid(int closid);
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);
int alloc_rmid(void);
void free_rmid(u32 rmid);
int rdt_get_mon_l3_config(struct rdt_resource *r);
diff --git a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
index 116d57b248d3..2c23bb136ccc 100644
--- a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
+++ b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
@@ -175,7 +175,7 @@ static int parse_line(char *line, struct rdt_resource *r)
return -EINVAL;
}
-static int update_domains(struct rdt_resource *r, int closid)
+int update_domains(struct rdt_resource *r, int closid)
{
struct msr_param msr_param;
cpumask_var_t cpu_mask;
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index 659b643fcf94..04ef140ebc84 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -121,7 +121,7 @@ static int closid_alloc(void)
return closid;
}
-static void closid_free(int closid)
+void closid_free(int closid)
{
closid_free_map |= 1 << closid;
}