mmap engine: allow full mmaps for 64-bit machines

[fio.git] / options.c

diff --git a/options.c b/options.c
index 354067d3deafba1fe8e0b946d0b72e7445f85ebc..87515ef13313da1d0cd0c2282306e75e6cf011ed 100644 (file)
--- a/options.c
+++ b/options.c
@@ -588,6 +588,21 @@ static int rw_verify(struct fio_option *o, void *data)
        return 0;
 }
 
+static int gtod_cpu_verify(struct fio_option *o, void *data)
+{
+#ifndef FIO_HAVE_CPU_AFFINITY
+       struct thread_data *td = data;
+
+       if (td->o.gtod_cpu) {
+               log_err("fio: platform must support CPU affinity for"
+                       "gettimeofday() offloading\n");
+               return 1;
+       }
+#endif
+
+       return 0;
+}
+
 #define __stringify_1(x)       #x
 #define __stringify(x)         __stringify_1(x)
 
@@ -1534,6 +1549,7 @@ static struct fio_option options[] = {
                .type   = FIO_OPT_INT,
                .cb     = str_gtod_cpu_cb,
                .help   = "Setup dedicated gettimeofday() thread on this CPU",
+               .verify = gtod_cpu_verify,
        },
        {
                .name   = "continue_on_error",