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Subject[RFC PATCH V2 02/22] x86/intel_rdt: Make useful functions available internally
Date
In preparation for support of pseudo-locking we move some static
functions to be available for sharing amongst all RDT components.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
---
arch/x86/kernel/cpu/intel_rdt.h | 5 +++++
arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c | 2 +-
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 8 ++++----
3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h
index 3fd7a70ee04a..df4db23ddd74 100644
--- a/arch/x86/kernel/cpu/intel_rdt.h
+++ b/arch/x86/kernel/cpu/intel_rdt.h
@@ -430,7 +430,12 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off);
int rdtgroup_schemata_show(struct kernfs_open_file *of,
struct seq_file *s, void *v);
+int rdtgroup_add_files(struct kernfs_node *kn, unsigned long fflags);
+int rdtgroup_kn_set_ugid(struct kernfs_node *kn);
struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r);
+int closid_alloc(void);
+void closid_free(int closid);
+int update_domains(struct rdt_resource *r, 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 23e1d5c249c6..9e1a455e4d9b 100644
--- a/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
+++ b/arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c
@@ -174,7 +174,7 @@ 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 bdab7d2f51af..2a14867a14f7 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -109,7 +109,7 @@ static void closid_init(void)
closid_free_map &= ~1;
}

-static int closid_alloc(void)
+int closid_alloc(void)
{
u32 closid = ffs(closid_free_map);

@@ -121,13 +121,13 @@ static int closid_alloc(void)
return closid;
}

-static void closid_free(int closid)
+void closid_free(int closid)
{
closid_free_map |= 1 << closid;
}

/* set uid and gid of rdtgroup dirs and files to that of the creator */
-static int rdtgroup_kn_set_ugid(struct kernfs_node *kn)
+int rdtgroup_kn_set_ugid(struct kernfs_node *kn)
{
struct iattr iattr = { .ia_valid = ATTR_UID | ATTR_GID,
.ia_uid = current_fsuid(),
@@ -855,7 +855,7 @@ static struct rftype res_common_files[] = {
},
};

-static int rdtgroup_add_files(struct kernfs_node *kn, unsigned long fflags)
+int rdtgroup_add_files(struct kernfs_node *kn, unsigned long fflags)
{
struct rftype *rfts, *rft;
int ret, len;
--
2.13.6
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