Documentation: make functions static to avoid prototype warnings

[firefly-linux-kernel-4.4.55.git] / Documentation / prctl / disable-tsc-test.c

diff --git a/Documentation/prctl/disable-tsc-test.c b/Documentation/prctl/disable-tsc-test.c
index 843c81eac2356d1b9d0ef6ee4aca542c4822e2b2..2541e65cb64b06807ed4a03de161b8bb15b04e05 100644 (file)
--- a/Documentation/prctl/disable-tsc-test.c
+++ b/Documentation/prctl/disable-tsc-test.c
@@ -29,14 +29,15 @@ const char *tsc_names[] =
        [PR_TSC_SIGSEGV] = "PR_TSC_SIGSEGV",
 };
 
-uint64_t rdtsc() {
+static uint64_t rdtsc(void)
+{
 uint32_t lo, hi;
 /* We cannot use "=A", since this would use %rax on x86_64 */
 __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
 return (uint64_t)hi << 32 | lo;
 }
 
-void sigsegv_cb(int sig)
+static void sigsegv_cb(int sig)
 {
        int tsc_val = 0;