1 files changed, 0 insertions, 48 deletions
diff --git a/tools/perf/lib/lib.c b/tools/perf/lib/lib.c
deleted file mode 100644
index 18658931fc71..000000000000
--- a/tools/perf/lib/lib.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <unistd.h>
-#include <stdbool.h>
-#include <errno.h>
-#include <linux/kernel.h>
-#include <internal/lib.h>
-
-unsigned int page_size;
-
-static ssize_t ion(bool is_read, int fd, void *buf, size_t n)
-{
-	void *buf_start = buf;
-	size_t left = n;
-
-	while (left) {
-		/* buf must be treated as const if !is_read. */
-		ssize_t ret = is_read ? read(fd, buf, left) :
-					write(fd, buf, left);
-
-		if (ret < 0 && errno == EINTR)
-			continue;
-		if (ret <= 0)
-			return ret;
-
-		left -= ret;
-		buf  += ret;
-	}
-
-	BUG_ON((size_t)(buf - buf_start) != n);
-	return n;
-}
-
-/*
- * Read exactly 'n' bytes or return an error.
- */
-ssize_t readn(int fd, void *buf, size_t n)
-{
-	return ion(true, fd, buf, n);
-}
-
-/*
- * Write exactly 'n' bytes or return an error.
- */
-ssize_t writen(int fd, const void *buf, size_t n)
-{
-	/* ion does not modify buf. */
-	return ion(false, fd, (void *)buf, n);
-}