Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

[cascardo/linux.git] / arch / arc / mm / cache.c

diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 5a294b2..0b10efe 100644 (file)
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -921,6 +921,15 @@ void arc_cache_init(void)
 
        printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
 
+       /*
+        * Only master CPU needs to execute rest of function:
+        *  - Assume SMP so all cores will have same cache config so
+        *    any geomtry checks will be same for all
+        *  - IOC setup / dma callbacks only need to be setup once
+        */
+       if (cpu)
+               return;
+
        if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE)) {
                struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;