Adding upstream version 6.9.7.upstream/6.9.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 162 deletions

diff --git a/lib/livepatch/test_klp_state.c b/lib/livepatch/test_klp_state.c
deleted file mode 100644
index 57a4253acb..0000000000
--- a/lib/livepatch/test_klp_state.c
+++ /dev/null
@@ -1,162 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2019 SUSE
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/printk.h>
-#include <linux/livepatch.h>
-
-#define CONSOLE_LOGLEVEL_STATE 1
-/* Version 1 does not support migration. */
-#define CONSOLE_LOGLEVEL_STATE_VERSION 1
-
-static const char *const module_state[] = {
-	[MODULE_STATE_LIVE]	= "[MODULE_STATE_LIVE] Normal state",
-	[MODULE_STATE_COMING]	= "[MODULE_STATE_COMING] Full formed, running module_init",
-	[MODULE_STATE_GOING]	= "[MODULE_STATE_GOING] Going away",
-	[MODULE_STATE_UNFORMED]	= "[MODULE_STATE_UNFORMED] Still setting it up",
-};
-
-static void callback_info(const char *callback, struct klp_object *obj)
-{
-	if (obj->mod)
-		pr_info("%s: %s -> %s\n", callback, obj->mod->name,
-			module_state[obj->mod->state]);
-	else
-		pr_info("%s: vmlinux\n", callback);
-}
-
-static struct klp_patch patch;
-
-static int allocate_loglevel_state(void)
-{
-	struct klp_state *loglevel_state;
-
-	loglevel_state = klp_get_state(&patch, CONSOLE_LOGLEVEL_STATE);
-	if (!loglevel_state)
-		return -EINVAL;
-
-	loglevel_state->data = kzalloc(sizeof(console_loglevel), GFP_KERNEL);
-	if (!loglevel_state->data)
-		return -ENOMEM;
-
-	pr_info("%s: allocating space to store console_loglevel\n",
-		__func__);
-	return 0;
-}
-
-static void fix_console_loglevel(void)
-{
-	struct klp_state *loglevel_state;
-
-	loglevel_state = klp_get_state(&patch, CONSOLE_LOGLEVEL_STATE);
-	if (!loglevel_state)
-		return;
-
-	pr_info("%s: fixing console_loglevel\n", __func__);
-	*(int *)loglevel_state->data = console_loglevel;
-	console_loglevel = CONSOLE_LOGLEVEL_MOTORMOUTH;
-}
-
-static void restore_console_loglevel(void)
-{
-	struct klp_state *loglevel_state;
-
-	loglevel_state = klp_get_state(&patch, CONSOLE_LOGLEVEL_STATE);
-	if (!loglevel_state)
-		return;
-
-	pr_info("%s: restoring console_loglevel\n", __func__);
-	console_loglevel = *(int *)loglevel_state->data;
-}
-
-static void free_loglevel_state(void)
-{
-	struct klp_state *loglevel_state;
-
-	loglevel_state = klp_get_state(&patch, CONSOLE_LOGLEVEL_STATE);
-	if (!loglevel_state)
-		return;
-
-	pr_info("%s: freeing space for the stored console_loglevel\n",
-		__func__);
-	kfree(loglevel_state->data);
-}
-
-/* Executed on object patching (ie, patch enablement) */
-static int pre_patch_callback(struct klp_object *obj)
-{
-	callback_info(__func__, obj);
-	return allocate_loglevel_state();
-}
-
-/* Executed on object unpatching (ie, patch disablement) */
-static void post_patch_callback(struct klp_object *obj)
-{
-	callback_info(__func__, obj);
-	fix_console_loglevel();
-}
-
-/* Executed on object unpatching (ie, patch disablement) */
-static void pre_unpatch_callback(struct klp_object *obj)
-{
-	callback_info(__func__, obj);
-	restore_console_loglevel();
-}
-
-/* Executed on object unpatching (ie, patch disablement) */
-static void post_unpatch_callback(struct klp_object *obj)
-{
-	callback_info(__func__, obj);
-	free_loglevel_state();
-}
-
-static struct klp_func no_funcs[] = {
-	{}
-};
-
-static struct klp_object objs[] = {
-	{
-		.name = NULL,	/* vmlinux */
-		.funcs = no_funcs,
-		.callbacks = {
-			.pre_patch = pre_patch_callback,
-			.post_patch = post_patch_callback,
-			.pre_unpatch = pre_unpatch_callback,
-			.post_unpatch = post_unpatch_callback,
-		},
-	}, { }
-};
-
-static struct klp_state states[] = {
-	{
-		.id = CONSOLE_LOGLEVEL_STATE,
-		.version = CONSOLE_LOGLEVEL_STATE_VERSION,
-	}, { }
-};
-
-static struct klp_patch patch = {
-	.mod = THIS_MODULE,
-	.objs = objs,
-	.states = states,
-	.replace = true,
-};
-
-static int test_klp_callbacks_demo_init(void)
-{
-	return klp_enable_patch(&patch);
-}
-
-static void test_klp_callbacks_demo_exit(void)
-{
-}
-
-module_init(test_klp_callbacks_demo_init);
-module_exit(test_klp_callbacks_demo_exit);
-MODULE_LICENSE("GPL");
-MODULE_INFO(livepatch, "Y");
-MODULE_AUTHOR("Petr Mladek <pmladek@suse.com>");
-MODULE_DESCRIPTION("Livepatch test: system state modification");