9pfs: remove unnecessary conditionals

[qemu.git] / util / cacheinfo.c

diff --git a/util/cacheinfo.c b/util/cacheinfo.c
index db5172d07c7aa3536188ed4a4916931c86134aac..3cd080b83d1a6bf383d60a9c746677548cce5538 100644 (file)
--- a/util/cacheinfo.c
+++ b/util/cacheinfo.c
@@ -7,9 +7,13 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/host-utils.h"
+#include "qemu/atomic.h"
 
 int qemu_icache_linesize = 0;
+int qemu_icache_linesize_log;
 int qemu_dcache_linesize = 0;
+int qemu_dcache_linesize_log;
 
 /*
  * Operating system specific detection mechanisms.
@@ -172,6 +176,13 @@ static void __attribute__((constructor)) init_cache_info(void)
     arch_cache_info(&isize, &dsize);
     fallback_cache_info(&isize, &dsize);
 
+    assert((isize & (isize - 1)) == 0);
+    assert((dsize & (dsize - 1)) == 0);
+
     qemu_icache_linesize = isize;
+    qemu_icache_linesize_log = ctz32(isize);
     qemu_dcache_linesize = dsize;
+    qemu_dcache_linesize_log = ctz32(dsize);
+
+    atomic64_init();
 }