* [intel-linux-intel-lts:5.4/yocto 39/9195] drivers/trusty/trusty.c:282:9: warning: no previous prototype for function 'trusty_version_show'
@ 2020-08-11 8:47 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-08-11 8:47 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 19089 bytes --]
tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto
head: 87241c08286384feb3ddc57d4cb0daca4be1e384
commit: 7e855c11a2297ad72d2952f075dd82640f3cd70a [39/9195] Modify Google's trusty drivers so as to support Intel platform
config: x86_64-randconfig-r023-20200811 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4f2ad15db535873dda9bfe248a2771023b64a43c)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout 7e855c11a2297ad72d2952f075dd82640f3cd70a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/trusty/trusty.c:282:9: warning: no previous prototype for function 'trusty_version_show' [-Wmissing-prototypes]
ssize_t trusty_version_show(struct device *dev, struct device_attribute *attr,
^
drivers/trusty/trusty.c:282:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
ssize_t trusty_version_show(struct device *dev, struct device_attribute *attr,
^
static
>> drivers/trusty/trusty.c:439:6: warning: no previous prototype for function 'trusty_dev_release' [-Wmissing-prototypes]
void trusty_dev_release(struct device *dev)
^
drivers/trusty/trusty.c:439:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void trusty_dev_release(struct device *dev)
^
static
2 warnings generated.
--
drivers/trusty/trusty-irq.c:214:13: warning: no previous prototype for function 'trusty_irq_handler' [-Wmissing-prototypes]
irqreturn_t trusty_irq_handler(int irq, void *data)
^
drivers/trusty/trusty-irq.c:214:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
irqreturn_t trusty_irq_handler(int irq, void *data)
^
static
drivers/trusty/trusty-irq.c:282:20: error: use of undeclared identifier 'CPU_TASKS_FROZEN'
switch (action & ~CPU_TASKS_FROZEN) {
^
>> drivers/trusty/trusty-irq.c:394:6: warning: no previous prototype for function 'trusty_irq_eoi' [-Wmissing-prototypes]
void trusty_irq_eoi(struct irq_data *data)
^
drivers/trusty/trusty-irq.c:394:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void trusty_irq_eoi(struct irq_data *data)
^
static
drivers/trusty/trusty-irq.c:637:8: error: implicit declaration of function 'register_hotcpu_notifier' [-Werror,-Wimplicit-function-declaration]
ret = register_hotcpu_notifier(&is->cpu_notifier);
^
drivers/trusty/trusty-irq.c:637:8: note: did you mean 'register_module_notifier'?
include/linux/module.h:662:5: note: 'register_module_notifier' declared here
int register_module_notifier(struct notifier_block *nb);
^
drivers/trusty/trusty-irq.c:642:6: error: assigning to 'int' from incompatible type 'void'
ret = on_each_cpu(trusty_irq_cpu_up, is, 0);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/trusty/trusty-irq.c:651:2: error: implicit declaration of function 'unregister_hotcpu_notifier' [-Werror,-Wimplicit-function-declaration]
unregister_hotcpu_notifier(&is->cpu_notifier);
^
drivers/trusty/trusty-irq.c:651:2: note: did you mean 'register_hotcpu_notifier'?
drivers/trusty/trusty-irq.c:637:8: note: 'register_hotcpu_notifier' declared here
ret = register_hotcpu_notifier(&is->cpu_notifier);
^
drivers/trusty/trusty-irq.c:687:2: error: implicit declaration of function 'unregister_hotcpu_notifier' [-Werror,-Wimplicit-function-declaration]
unregister_hotcpu_notifier(&is->cpu_notifier);
^
drivers/trusty/trusty-irq.c:688:6: error: assigning to 'int' from incompatible type 'void'
ret = on_each_cpu(trusty_irq_cpu_down, is, 1);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/trusty/trusty-irq.c:283:7: error: use of undeclared identifier 'CPU_STARTING'
case CPU_STARTING:
^
drivers/trusty/trusty-irq.c:286:7: error: use of undeclared identifier 'CPU_DYING'
case CPU_DYING:
^
2 warnings and 8 errors generated.
--
drivers/trusty/trusty-virtio.c:323:17: error: no member named 'reserved' in 'struct fw_rsc_vdev_vring'
tvr->vr_descr->reserved = (u32)(pa >> 32);
~~~~~~~~~~~~~ ^
drivers/trusty/trusty-virtio.c:330:47: error: too few arguments to function call, expected 10, have 9
trusty_virtio_notify, callback, name);
^
include/linux/virtio_ring.h:94:19: note: 'vring_new_virtqueue' declared here
struct virtqueue *vring_new_virtqueue(unsigned int index,
^
drivers/trusty/trusty-virtio.c:380:14: error: incompatible function pointer types initializing 'int (*)(struct virtio_device *, unsigned int, struct virtqueue **, vq_callback_t **, const char *const *, const bool *, struct irq_affinity *)' (aka 'int (*)(struct virtio_device *, unsigned int, struct virtqueue **, void (**)(struct virtqueue *), const char *const *, const _Bool *, struct irq_affinity *)') with an expression of type 'int (struct virtio_device *, unsigned int, struct virtqueue **, vq_callback_t **, const char **)' (aka 'int (struct virtio_device *, unsigned int, struct virtqueue **, void (**)(struct virtqueue *), const char **)') [-Werror,-Wincompatible-function-pointer-types]
.find_vqs = trusty_virtio_find_vqs,
^~~~~~~~~~~~~~~~~~~~~~
>> drivers/trusty/trusty-virtio.c:385:6: warning: no previous prototype for function 'virtio_vdev_release' [-Wmissing-prototypes]
void virtio_vdev_release(struct device *dev)
^
drivers/trusty/trusty-virtio.c:385:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void virtio_vdev_release(struct device *dev)
^
static
1 warning and 3 errors generated.
vim +/trusty_version_show +282 drivers/trusty/trusty.c
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 281
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 @282 ssize_t trusty_version_show(struct device *dev, struct device_attribute *attr,
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 283 char *buf)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 284 {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 285 struct trusty_state *s = platform_get_drvdata(to_platform_device(dev));
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 286
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 287 return scnprintf(buf, PAGE_SIZE, "%s\n", s->version_str);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 288 }
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 289
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 290 DEVICE_ATTR(trusty_version, S_IRUSR, trusty_version_show, NULL);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 291
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 292 const char *trusty_version_str_get(struct device *dev)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 293 {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 294 struct trusty_state *s = platform_get_drvdata(to_platform_device(dev));
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 295
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 296 return s->version_str;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 297 }
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 298 EXPORT_SYMBOL(trusty_version_str_get);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 299
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 300 static void trusty_init_version(struct trusty_state *s, struct device *dev)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 301 {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 302 int ret;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 303 int i;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 304 int version_str_len;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 305
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 306 ret = trusty_fast_call32(dev, SMC_FC_GET_VERSION_STR, -1, 0, 0);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 307 if (ret <= 0)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 308 goto err_get_size;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 309
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 310 version_str_len = ret;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 311
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 312 s->version_str = kmalloc(version_str_len + 1, GFP_KERNEL);
7e855c11a2297a weideng 2016-10-28 313 if (!s->version_str)
7e855c11a2297a weideng 2016-10-28 314 goto err_get_size;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 315 for (i = 0; i < version_str_len; i++) {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 316 ret = trusty_fast_call32(dev, SMC_FC_GET_VERSION_STR, i, 0, 0);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 317 if (ret < 0)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 318 goto err_get_char;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 319 s->version_str[i] = ret;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 320 }
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 321 s->version_str[i] = '\0';
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 322
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 323 dev_info(dev, "trusty version: %s\n", s->version_str);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 324
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 325 ret = device_create_file(dev, &dev_attr_trusty_version);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 326 if (ret)
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 327 goto err_create_file;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 328 return;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 329
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 330 err_create_file:
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 331 err_get_char:
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 332 kfree(s->version_str);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 333 s->version_str = NULL;
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 334 err_get_size:
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 335 dev_err(dev, "failed to get version: %d\n", ret);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 336 }
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 337
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 338 u32 trusty_get_api_version(struct device *dev)
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 339 {
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 340 struct trusty_state *s = platform_get_drvdata(to_platform_device(dev));
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 341
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 342 return s->api_version;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 343 }
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 344 EXPORT_SYMBOL(trusty_get_api_version);
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 345
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 346 static int trusty_init_api_version(struct trusty_state *s, struct device *dev)
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 347 {
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 348 u32 api_version;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 349 api_version = trusty_fast_call32(dev, SMC_FC_API_VERSION,
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 350 TRUSTY_API_VERSION_CURRENT, 0, 0);
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 351 if (api_version == SM_ERR_UNDEFINED_SMC)
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 352 api_version = 0;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 353
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 354 if (api_version > TRUSTY_API_VERSION_CURRENT) {
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 355 dev_err(dev, "unsupported api version %u > %u\n",
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 356 api_version, TRUSTY_API_VERSION_CURRENT);
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 357 return -EINVAL;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 358 }
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 359
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 360 dev_info(dev, "selected api version: %u (requested %u)\n",
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 361 api_version, TRUSTY_API_VERSION_CURRENT);
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 362 s->api_version = api_version;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 363
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 364 return 0;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 365 }
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 366
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 367 static int trusty_probe(struct platform_device *pdev)
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 368 {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 369 int ret;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 370 struct trusty_state *s;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 371 struct device_node *node = pdev->dev.of_node;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 372
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 373 if (!node) {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 374 dev_err(&pdev->dev, "of_node required\n");
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 375 return -EINVAL;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 376 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 377
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 378 s = kzalloc(sizeof(*s), GFP_KERNEL);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 379 if (!s) {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 380 ret = -ENOMEM;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 381 goto err_allocate_state;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 382 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 383 mutex_init(&s->smc_lock);
0bead160edaa03 Arve Hjønnevåg 2016-05-05 384 ATOMIC_INIT_NOTIFIER_HEAD(&s->notifier);
2680cdd3b9cc6b Arve Hjønnevåg 2015-01-23 385 init_completion(&s->cpu_idle_completion);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 386 platform_set_drvdata(pdev, s);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 387
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 388 trusty_init_version(s, &pdev->dev);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 389
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 390 ret = trusty_init_api_version(s, &pdev->dev);
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 391 if (ret < 0)
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 392 goto err_api_version;
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 393
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 394 return 0;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 395
f734a5b21364b1 Arve Hjønnevåg 2015-06-11 396 err_api_version:
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 397 if (s->version_str) {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 398 device_remove_file(&pdev->dev, &dev_attr_trusty_version);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 399 kfree(s->version_str);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 400 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 401 device_for_each_child(&pdev->dev, NULL, trusty_remove_child);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 402 mutex_destroy(&s->smc_lock);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 403 kfree(s);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 404 err_allocate_state:
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 405 return ret;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 406 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 407
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 408 static int trusty_remove(struct platform_device *pdev)
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 409 {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 410 struct trusty_state *s = platform_get_drvdata(pdev);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 411
7e855c11a2297a weideng 2016-10-28 412 dev_dbg(&(pdev->dev), "%s() is called\n", __func__);
7e855c11a2297a weideng 2016-10-28 413
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 414 device_for_each_child(&pdev->dev, NULL, trusty_remove_child);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 415 mutex_destroy(&s->smc_lock);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 416 if (s->version_str) {
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 417 device_remove_file(&pdev->dev, &dev_attr_trusty_version);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 418 kfree(s->version_str);
3db108326d2fe8 Arve Hjønnevåg 2014-10-09 419 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 420 kfree(s);
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 421 return 0;
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 422 }
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 423
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 424 static const struct of_device_id trusty_of_match[] = {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 425 { .compatible = "android,trusty-smc-v1", },
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 426 {},
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 427 };
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 428
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 429 static struct platform_driver trusty_driver = {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 430 .probe = trusty_probe,
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 431 .remove = trusty_remove,
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 432 .driver = {
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 433 .name = "trusty",
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 434 .owner = THIS_MODULE,
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 435 .of_match_table = trusty_of_match,
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 436 },
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 437 };
86d0dcf35966f0 Arve Hjønnevåg 2013-11-18 438
7e855c11a2297a weideng 2016-10-28 @439 void trusty_dev_release(struct device *dev)
7e855c11a2297a weideng 2016-10-28 440 {
7e855c11a2297a weideng 2016-10-28 441 dev_dbg(dev, "%s() is called()\n", __func__);
7e855c11a2297a weideng 2016-10-28 442 return;
7e855c11a2297a weideng 2016-10-28 443 }
7e855c11a2297a weideng 2016-10-28 444
:::::: The code at line 282 was first introduced by commit
:::::: 3db108326d2fe8a24470ecb267fb202ac09f663a trusty: Get version string from trusty
:::::: TO: Arve Hjønnevåg <arve@android.com>
:::::: CC: Zhou Furong <furong.zhou@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 30434 bytes --]
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2020-08-11 8:47 [intel-linux-intel-lts:5.4/yocto 39/9195] drivers/trusty/trusty.c:282:9: warning: no previous prototype for function 'trusty_version_show' kernel test robot
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