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Date:   Sat, 29 Apr 2017 01:50:53 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     kbuild-all@...org, Sebastian Ott <sebott@...ux.vnet.ibm.com>,
        Gerald Schaefer <gerald.schaefer@...ibm.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH 1/2] iommu/s390: Fix IOMMU groups

Hi Joerg,

[auto build test ERROR on s390/features]
[also build test ERROR on v4.11-rc8 next-20170428]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Joerg-Roedel/iommu-s390-Fix-iommu-groups-and-add-sysfs-support/20170429-003440
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All errors (new ones prefixed by >>):

   In file included from include/trace/define_trace.h:95:0,
                    from include/trace/events/iommu.h:167,
                    from include/linux/iommu.h:27,
                    from arch/s390/include/asm/pci.h:11,
                    from include/linux/pci.h:1627,
                    from include/trace/events/iommu.h:14,
                    from drivers/iommu/iommu-traces.c:12:
   include/trace/events/iommu.h: In function 'ftrace_test_probe_add_device_to_group':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_add_device_to_group' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_remove_device_from_group':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_remove_device_from_group' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_attach_device_to_domain':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_attach_device_to_domain' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_detach_device_from_domain':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_detach_device_from_domain' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/events/iommu.h:79:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
    ^~~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_map':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_map' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/trace_events.h:66:2: note: in expansion of macro 'DEFINE_EVENT'
     DEFINE_EVENT(name, name, PARAMS(proto), PARAMS(args));
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:86:1: note: in expansion of macro 'TRACE_EVENT'
    TRACE_EVENT(map,
    ^~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_unmap':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_unmap' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/trace_events.h:66:2: note: in expansion of macro 'DEFINE_EVENT'
     DEFINE_EVENT(name, name, PARAMS(proto), PARAMS(args));
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:109:1: note: in expansion of macro 'TRACE_EVENT'
    TRACE_EVENT(unmap,
    ^~~~~~~~~~~
   include/trace/events/iommu.h: In function 'ftrace_test_probe_io_page_fault':
   include/trace/trace_events.h:716:2: error: implicit declaration of function 'check_trace_callback_type_io_page_fault' [-Werror=implicit-function-declaration]
     check_trace_callback_type_##call(trace_event_raw_event_##template); \
     ^
   include/trace/events/iommu.h:158:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_error, io_page_fault,
    ^~~~~~~~~~~~
   In file included from arch/s390/include/asm/pci.h:11:0,
                    from include/linux/pci.h:1627,
                    from include/trace/events/iommu.h:14,
                    from drivers/iommu/iommu-traces.c:12:
   include/linux/iommu.h: In function 'report_iommu_fault':
>> include/linux/iommu.h:368:2: error: implicit declaration of function 'trace_io_page_fault' [-Werror=implicit-function-declaration]
     trace_io_page_fault(dev, iova, flags);
     ^~~~~~~~~~~~~~~~~~~
   In file included from include/trace/events/iommu.h:13:0,
                    from drivers/iommu/iommu-traces.c:12:
   include/trace/events/iommu.h: At top level:
>> include/trace/events/iommu.h:20:11: error: expected ')' before 'int'
     TP_PROTO(int group_id, struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:41:11: error: expected ')' before 'int'
     TP_PROTO(int group_id, struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:49:11: error: expected ')' before 'int'
     TP_PROTO(int group_id, struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
>> include/trace/events/iommu.h:56:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:74:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:81:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
>> include/trace/events/iommu.h:88:11: error: expected ')' before 'unsigned'
     TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:111:11: error: expected ')' before 'unsigned'
     TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:134:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev, unsigned long iova, int flags),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/trace/events/iommu.h:160:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev, unsigned long iova, int flags),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
>> include/trace/events/iommu.h:20:11: error: expected ')' before 'int'
     TP_PROTO(int group_id, struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/linux/tracepoint.h:233:20: error: redefinition of '__tpstrtab_add_device_to_group'
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: note: previous definition of '__tpstrtab_add_device_to_group' was here
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: error: redefinition of '__tracepoint_add_device_to_group'
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: note: previous definition of '__tracepoint_add_device_to_group' was here
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: error: redefinition of '__tracepoint_ptr_add_device_to_group'
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: note: previous definition of '__tracepoint_ptr_add_device_to_group' was here
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:39:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, add_device_to_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: error: redefinition of '__tpstrtab_remove_device_from_group'
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: note: previous definition of '__tpstrtab_remove_device_from_group' was here
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: error: redefinition of '__tracepoint_remove_device_from_group'
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: note: previous definition of '__tracepoint_remove_device_from_group' was here
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: error: redefinition of '__tracepoint_ptr_remove_device_from_group'
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: note: previous definition of '__tracepoint_ptr_remove_device_from_group' was here
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:47:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_group_event, remove_device_from_group,
    ^~~~~~~~~~~~
>> include/trace/events/iommu.h:56:11: error: expected ')' before 'struct'
     TP_PROTO(struct device *dev),
              ^
   include/linux/tracepoint.h:104:27: note: in definition of macro 'TP_PROTO'
    #define TP_PROTO(args...) args
                              ^~~~
   include/linux/tracepoint.h:233:20: error: redefinition of '__tpstrtab_attach_device_to_domain'
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: note: previous definition of '__tpstrtab_attach_device_to_domain' was here
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: error: redefinition of '__tracepoint_attach_device_to_domain'
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:235:20: note: previous definition of '__tracepoint_attach_device_to_domain' was here
     struct tracepoint __tracepoint_##name     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: error: redefinition of '__tracepoint_ptr_attach_device_to_domain'
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:238:35: note: previous definition of '__tracepoint_ptr_attach_device_to_domain' was here
     static struct tracepoint * const __tracepoint_ptr_##name __used  \
                                      ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:72:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: error: redefinition of '__tpstrtab_detach_device_from_domain'
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:79:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
    ^~~~~~~~~~~~
   include/linux/tracepoint.h:233:20: note: previous definition of '__tpstrtab_detach_device_from_domain' was here
     static const char __tpstrtab_##name[]     \
                       ^
   include/linux/tracepoint.h:243:2: note: in expansion of macro 'DEFINE_TRACE_FN'
     DEFINE_TRACE_FN(name, NULL, NULL);
     ^~~~~~~~~~~~~~~
   include/trace/define_trace.h:50:2: note: in expansion of macro 'DEFINE_TRACE'
     DEFINE_TRACE(name)
     ^~~~~~~~~~~~
   include/trace/events/iommu.h:79:1: note: in expansion of macro 'DEFINE_EVENT'
    DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
..

vim +/trace_io_page_fault +368 include/linux/iommu.h

4f3f8d9d Ohad Ben-Cohen 2011-09-13  362  	 * invoke it.
4f3f8d9d Ohad Ben-Cohen 2011-09-13  363  	 */
4f3f8d9d Ohad Ben-Cohen 2011-09-13  364  	if (domain->handler)
77ca2332 Ohad Ben-Cohen 2012-05-21  365  		ret = domain->handler(domain, dev, iova, flags,
77ca2332 Ohad Ben-Cohen 2012-05-21  366  						domain->handler_token);
4a77a6cf Joerg Roedel   2008-11-26  367  
56fa4849 Shuah Khan     2013-09-24 @368  	trace_io_page_fault(dev, iova, flags);
4f3f8d9d Ohad Ben-Cohen 2011-09-13  369  	return ret;
4a77a6cf Joerg Roedel   2008-11-26  370  }
4a77a6cf Joerg Roedel   2008-11-26  371  

:::::: The code at line 368 was first introduced by commit
:::::: 56fa484969c367e3ae43a012a7b99f75bb4f3bdb iommu: Change iommu driver to call io_page_fault trace event

:::::: TO: Shuah Khan <shuah.kh@...sung.com>
:::::: CC: Joerg Roedel <joro@...tes.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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