Documentation: make functions static to avoid prototype warnings

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

diff --git a/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c b/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
index f8e8e95e81fd063f6f2b7f43878641f5184b5f9c..81fdd425ab3e583e0543becd2b0d665dc134ab38 100644 (file)
--- a/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
+++ b/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
@@ -27,19 +27,20 @@
 # define PR_TSC_SIGSEGV                2   /* throw a SIGSEGV instead of reading the TSC */
 #endif
 
-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_expect(int sig)
+static void sigsegv_expect(int sig)
 {
        /* */
 }
 
-void segvtask(void)
+static void segvtask(void)
 {
        if (prctl(PR_SET_TSC, PR_TSC_SIGSEGV) < 0)
        {
@@ -54,13 +55,13 @@ void segvtask(void)
 }
 
 
-void sigsegv_fail(int sig)
+static void sigsegv_fail(int sig)
 {
        fprintf(stderr, "FATAL ERROR, rdtsc() failed while enabled\n");
        exit(0);
 }
 
-void rdtsctask(void)
+static void rdtsctask(void)
 {
        if (prctl(PR_SET_TSC, PR_TSC_ENABLE) < 0)
        {