1 files changed, 0 insertions, 87 deletions
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
deleted file mode 100644
index d2f978ad129a..000000000000
--- a/arch/cris/kernel/profile.c
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <asm/ptrace.h>
-#include <linux/uaccess.h>
-
-#define SAMPLE_BUFFER_SIZE 8192
-
-static char *sample_buffer;
-static char *sample_buffer_pos;
-static int prof_running = 0;
-
-void cris_profile_sample(struct pt_regs *regs)
-{
-	if (!prof_running)
-		return;
-
-	if (user_mode(regs))
-		*(unsigned int*)sample_buffer_pos = current->pid;
-	else
-		*(unsigned int*)sample_buffer_pos = 0;
-
-	*(unsigned int *)(sample_buffer_pos + 4) = instruction_pointer(regs);
-	sample_buffer_pos += 8;
-
-	if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE)
-		sample_buffer_pos = sample_buffer;
-}
-
-static ssize_t
-read_cris_profile(struct file *file, char __user *buf,
-		  size_t count, loff_t *ppos)
-{
-	unsigned long p = *ppos;
-	ssize_t ret;
-
-	ret = simple_read_from_buffer(buf, count, ppos, sample_buffer,
-						SAMPLE_BUFFER_SIZE);
-	if (ret < 0)
-		return ret;
-
-	memset(sample_buffer + p, 0, ret);
-
-	return ret;
-}
-
-static ssize_t
-write_cris_profile(struct file *file, const char __user *buf,
-		   size_t count, loff_t *ppos)
-{
-	sample_buffer_pos = sample_buffer;
-	memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
-	return count < SAMPLE_BUFFER_SIZE ? count : SAMPLE_BUFFER_SIZE;
-}
-
-static const struct file_operations cris_proc_profile_operations = {
-	.read		= read_cris_profile,
-	.write		= write_cris_profile,
-	.llseek		= default_llseek,
-};
-
-static int __init init_cris_profile(void)
-{
-	struct proc_dir_entry *entry;
-
-	sample_buffer = kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL);
-	if (!sample_buffer) {
-		return -ENOMEM;
-	}
-
-	sample_buffer_pos = sample_buffer;
-
-	entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL,
-			    &cris_proc_profile_operations);
-	if (entry) {
-		proc_set_size(entry, SAMPLE_BUFFER_SIZE);
-	}
-	prof_running = 1;
-
-	return 0;
-}
-__initcall(init_cris_profile);
-