Thread (22 messages) 22 messages, 3 authors, 2021-02-17
STALE1928d

[PATCH rt-tests v4 06/16] rt-numa: Remove unused definitions and numa_initialize()

From: Daniel Wagner <hidden>
Date: 2021-02-10 13:36:50
Subsystem: the rest · Maintainer: Linus Torvalds

There is no user left of the AFFINITY_* enum. Remove them.

Also there is no need for numa_initialize() to prodect from being
called several times. We can safely initialize libnuma at the begin of
each program.

Signed-off-by: Daniel Wagner <redacted>
---
 src/cyclictest/cyclictest.c |  2 +-
 src/include/rt-numa.h       |  8 --------
 src/lib/rt-numa.c           | 15 ---------------
 src/signaltest/signaltest.c |  2 +-
 4 files changed, 2 insertions(+), 25 deletions(-)
diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c
index b5cca3ae166b..3c6773c1dbb5 100644
--- a/src/cyclictest/cyclictest.c
+++ b/src/cyclictest/cyclictest.c
@@ -1705,7 +1705,7 @@ int main(int argc, char **argv)
 	void *currstk;
 	size_t stksize;
 
-	if (numa_initialize())
+	if (numa_available() == -1)
 		fatal("Couldn't initialize libnuma");
 
 	process_options(argc, argv, max_cpus);
diff --git a/src/include/rt-numa.h b/src/include/rt-numa.h
index ca86a45dab3a..54f5c3a240e9 100644
--- a/src/include/rt-numa.h
+++ b/src/include/rt-numa.h
@@ -4,14 +4,6 @@
 
 #include <numa.h>
 
-enum {
-	AFFINITY_UNSPECIFIED,
-	AFFINITY_SPECIFIED,
-	AFFINITY_USEALL
-};
-
-int numa_initialize(void);
-
 int get_available_cpus(struct bitmask *cpumask);
 int cpu_for_thread_sp(int thread_num, int max_cpus, struct bitmask *cpumask);
 int cpu_for_thread_ua(int thread_num, int max_cpus);
diff --git a/src/lib/rt-numa.c b/src/lib/rt-numa.c
index 33fddba4358e..fa83eae61084 100644
--- a/src/lib/rt-numa.c
+++ b/src/lib/rt-numa.c
@@ -13,21 +13,6 @@
 #include "error.h"
 #include "rt-numa.h"
 
-/* numa_available() must be called before any other calls to the numa library */
-int numa_initialize(void)
-{
-	static int is_initialized;
-
-	if (is_initialized == 1)
-		return 0;
-
-	if (numa_available() == -1)
-		return -1;
-
-	is_initialized = 1;
-	return 0;
-}
-
 int get_available_cpus(struct bitmask *cpumask)
 {
 	if (cpumask)
diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
index 61420fa13347..41ebb2c87a2f 100644
--- a/src/signaltest/signaltest.c
+++ b/src/signaltest/signaltest.c
@@ -322,7 +322,7 @@ int main(int argc, char **argv)
 	int status, cpu;
 	int max_cpus = sysconf(_SC_NPROCESSORS_ONLN);
 
-	if (numa_initialize())
+	if (numa_available() == -1)
 		fatal("Couldn't initialize libnuma");
 
 	process_options(argc, argv, max_cpus);
-- 
2.30.0
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