1 files changed, 0 insertions, 95 deletions
diff --git a/Documentation/prctl/disable-tsc-test.c b/Documentation/prctl/disable-tsc-test.c
deleted file mode 100644
index 8d494f7bebdb..000000000000
--- a/Documentation/prctl/disable-tsc-test.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Tests for prctl(PR_GET_TSC, ...) / prctl(PR_SET_TSC, ...)
- *
- * Basic test to test behaviour of PR_GET_TSC and PR_SET_TSC
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <inttypes.h>
-
-
-#include <sys/prctl.h>
-#include <linux/prctl.h>
-
-/* Get/set the process' ability to use the timestamp counter instruction */
-#ifndef PR_GET_TSC
-#define PR_GET_TSC 25
-#define PR_SET_TSC 26
-# define PR_TSC_ENABLE		1   /* allow the use of the timestamp counter */
-# define PR_TSC_SIGSEGV		2   /* throw a SIGSEGV instead of reading the TSC */
-#endif
-
-const char *tsc_names[] =
-{
-	[0] = "[not set]",
-	[PR_TSC_ENABLE] = "PR_TSC_ENABLE",
-	[PR_TSC_SIGSEGV] = "PR_TSC_SIGSEGV",
-};
-
-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;
-}
-
-static void sigsegv_cb(int sig)
-{
-	int tsc_val = 0;
-
-	printf("[ SIG_SEGV ]\n");
-	printf("prctl(PR_GET_TSC, &tsc_val); ");
-	fflush(stdout);
-
-	if ( prctl(PR_GET_TSC, &tsc_val) == -1)
-		perror("prctl");
-
-	printf("tsc_val == %s\n", tsc_names[tsc_val]);
-	printf("prctl(PR_SET_TSC, PR_TSC_ENABLE)\n");
-	fflush(stdout);
-	if ( prctl(PR_SET_TSC, PR_TSC_ENABLE) == -1)
-		perror("prctl");
-
-	printf("rdtsc() == ");
-}
-
-int main(void)
-{
-	int tsc_val = 0;
-
-	signal(SIGSEGV, sigsegv_cb);
-
-	printf("rdtsc() == %llu\n", (unsigned long long)rdtsc());
-	printf("prctl(PR_GET_TSC, &tsc_val); ");
-	fflush(stdout);
-
-	if ( prctl(PR_GET_TSC, &tsc_val) == -1)
-		perror("prctl");
-
-	printf("tsc_val == %s\n", tsc_names[tsc_val]);
-	printf("rdtsc() == %llu\n", (unsigned long long)rdtsc());
-	printf("prctl(PR_SET_TSC, PR_TSC_ENABLE)\n");
-	fflush(stdout);
-
-	if ( prctl(PR_SET_TSC, PR_TSC_ENABLE) == -1)
-		perror("prctl");
-
-	printf("rdtsc() == %llu\n", (unsigned long long)rdtsc());
-	printf("prctl(PR_SET_TSC, PR_TSC_SIGSEGV)\n");
-	fflush(stdout);
-
-	if ( prctl(PR_SET_TSC, PR_TSC_SIGSEGV) == -1)
-		perror("prctl");
-
-	printf("rdtsc() == ");
-	fflush(stdout);
-	printf("%llu\n", (unsigned long long)rdtsc());
-	fflush(stdout);
-
-	exit(EXIT_SUCCESS);
-}
-