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Blame test/integration/rhel-7.5/macro-callbacks.patch

c8 c8s master
  1.   da451779eedb50ff954d7361a9d8cb431aa09101
  2.   test
  3.   integration
  4.   rhel-7.5
  5.   macro-callbacks.patch
Blob History Raw
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kpatch/livepatch callback test patch:
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  vmlinux
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  pcspkr (mod)
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  joydev (mod)
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Note: update joydev's pre-patch callback to return -ENODEV to test failure path
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--- src.old/fs/aio.c	2018-02-26 11:07:51.522610407 -0500
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+++ src/fs/aio.c	2018-03-05 11:17:21.560015449 -0500
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@@ -42,6 +42,50 @@
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 #include <asm/kmap_types.h>
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 #include <asm/uaccess.h>
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+#include <linux/module.h>
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+#include "kpatch-macros.h"
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+
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+static const char *const module_state[] = {
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+	[MODULE_STATE_LIVE]	= "[MODULE_STATE_LIVE] Normal state",
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+	[MODULE_STATE_COMING]	= "[MODULE_STATE_COMING] Full formed, running module_init",
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+	[MODULE_STATE_GOING]	= "[MODULE_STATE_GOING] Going away",
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+	[MODULE_STATE_UNFORMED]	= "[MODULE_STATE_UNFORMED] Still setting it up",
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+};
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+
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+static void callback_info(const char *callback, patch_object *obj)
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+{
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+	if (obj->mod)
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+		pr_info("%s: %s -> %s\n", callback, obj->mod->name,
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+			module_state[obj->mod->state]);
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+	else
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+		pr_info("%s: vmlinux\n", callback);
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+}
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+
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+static int pre_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+	return 0;
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+}
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+KPATCH_PRE_PATCH_CALLBACK(pre_patch_callback);
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+
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+static void post_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_PATCH_CALLBACK(post_patch_callback);
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+
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+static void pre_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_PRE_UNPATCH_CALLBACK(pre_unpatch_callback);
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+
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+static void post_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_UNPATCH_CALLBACK(post_unpatch_callback);
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+
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 #define AIO_RING_MAGIC			0xa10a10a1
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 #define AIO_RING_COMPAT_FEATURES	1
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 #define AIO_RING_INCOMPAT_FEATURES	0
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--- src.old/drivers/input/joydev.c	2018-02-26 11:07:49.470610407 -0500
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+++ src/drivers/input/joydev.c	2018-03-05 11:18:13.998015449 -0500
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@@ -954,3 +954,47 @@ static void __exit joydev_exit(void)
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 module_init(joydev_init);
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 module_exit(joydev_exit);
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+
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+#include <linux/module.h>
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+#include "kpatch-macros.h"
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+
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+static const char *const module_state[] = {
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+	[MODULE_STATE_LIVE]	= "[MODULE_STATE_LIVE] Normal state",
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+	[MODULE_STATE_COMING]	= "[MODULE_STATE_COMING] Full formed, running module_init",
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+	[MODULE_STATE_GOING]	= "[MODULE_STATE_GOING] Going away",
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+	[MODULE_STATE_UNFORMED]	= "[MODULE_STATE_UNFORMED] Still setting it up",
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+};
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+
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+static void callback_info(const char *callback, patch_object *obj)
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+{
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+	if (obj->mod)
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+		pr_info("%s: %s -> %s\n", callback, obj->mod->name,
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+			module_state[obj->mod->state]);
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+	else
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+		pr_info("%s: vmlinux\n", callback);
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+}
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+
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+static int pre_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+	return 0; /* return -ENODEV; */
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+}
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+KPATCH_PRE_PATCH_CALLBACK(pre_patch_callback);
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+
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+static void post_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_PATCH_CALLBACK(post_patch_callback);
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+
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+static void pre_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_PRE_UNPATCH_CALLBACK(pre_unpatch_callback);
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+
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+static void post_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_UNPATCH_CALLBACK(post_unpatch_callback);
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--- src.old/drivers/input/misc/pcspkr.c	2018-02-26 11:07:49.477610407 -0500
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+++ src/drivers/input/misc/pcspkr.c	2018-03-05 11:18:23.411015449 -0500
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@@ -136,3 +136,46 @@ static struct platform_driver pcspkr_pla
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 };
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 module_platform_driver(pcspkr_platform_driver);
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+#include <linux/module.h>
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+#include "kpatch-macros.h"
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+
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+static const char *const module_state[] = {
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+	[MODULE_STATE_LIVE]	= "[MODULE_STATE_LIVE] Normal state",
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+	[MODULE_STATE_COMING]	= "[MODULE_STATE_COMING] Full formed, running module_init",
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+	[MODULE_STATE_GOING]	= "[MODULE_STATE_GOING] Going away",
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+	[MODULE_STATE_UNFORMED]	= "[MODULE_STATE_UNFORMED] Still setting it up",
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+};
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+
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+static void callback_info(const char *callback, patch_object *obj)
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+{
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+	if (obj->mod)
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+		pr_info("%s: %s -> %s\n", callback, obj->mod->name,
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+			module_state[obj->mod->state]);
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+	else
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+		pr_info("%s: vmlinux\n", callback);
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+}
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+
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+static int pre_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+	return 0;
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+}
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+KPATCH_PRE_PATCH_CALLBACK(pre_patch_callback);
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+
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+static void post_patch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_PATCH_CALLBACK(post_patch_callback);
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+
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+static void pre_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_PRE_UNPATCH_CALLBACK(pre_unpatch_callback);
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+
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+static void post_unpatch_callback(patch_object *obj)
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+{
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+	callback_info(__func__, obj);
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+}
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+KPATCH_POST_UNPATCH_CALLBACK(post_unpatch_callback);

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