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Message-Id: <1468371785-53231-19-git-send-email-fenghua.yu@intel.com>
Date: Tue, 12 Jul 2016 18:02:51 -0700
From: "Fenghua Yu" <fenghua.yu@...el.com>
To: "Thomas Gleixner" <tglx@...utronix.de>,
"Ingo Molnar" <mingo@...e.hu>,
"H. Peter Anvin" <h.peter.anvin@...el.com>,
"Tony Luck" <tony.luck@...el.com>, "Tejun Heo" <tj@...nel.org>,
"Borislav Petkov" <bp@...e.de>,
"Stephane Eranian" <eranian@...gle.com>,
"Peter Zijlstra" <peterz@...radead.org>,
"Marcelo Tosatti" <mtosatti@...hat.com>,
"David Carrillo-Cisneros" <davidcc@...gle.com>,
"Ravi V Shankar" <ravi.v.shankar@...el.com>,
"Vikas Shivappa" <vikas.shivappa@...ux.intel.com>,
"Sai Prakhya" <sai.praneeth.prakhya@...el.com>
Cc: "linux-kernel" <linux-kernel@...r.kernel.org>,
"x86" <x86@...nel.org>, "Fenghua Yu" <fenghua.yu@...el.com>
Subject: [PATCH 18/32] drivers/base/cacheinfo.c: Export some cacheinfo functions for others to use
From: Fenghua Yu <fenghua.yu@...el.com>
We use ci_cpu_cacheinfo in CAT. Export this function for CAT to reuse.
Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
Reviewed-by: Tony Luck <tony.luck@...el.com>
---
drivers/base/cacheinfo.c | 2 +-
include/linux/cacheinfo.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 2a21c15..f6e269a 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -29,7 +29,7 @@
#include <linux/sysfs.h>
/* pointer to per cpu cacheinfo */
-static DEFINE_PER_CPU(struct cpu_cacheinfo, ci_cpu_cacheinfo);
+DEFINE_PER_CPU(struct cpu_cacheinfo, ci_cpu_cacheinfo);
#define ci_cacheinfo(cpu) (&per_cpu(ci_cpu_cacheinfo, cpu))
#define cache_leaves(cpu) (ci_cacheinfo(cpu)->num_leaves)
#define per_cpu_cacheinfo(cpu) (ci_cacheinfo(cpu)->info_list)
diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h
index cf6984d..fa5e829 100644
--- a/include/linux/cacheinfo.h
+++ b/include/linux/cacheinfo.h
@@ -94,6 +94,8 @@ int func(unsigned int cpu) \
return ret; \
}
+#define ci_cacheinfo(cpu) (&per_cpu(ci_cpu_cacheinfo, cpu))
+
struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu);
int init_cache_level(unsigned int cpu);
int populate_cache_leaves(unsigned int cpu);
--
2.5.0
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