Re: [PATCH] fpga: dfl: improve configuration of dfl pci devices

From: kernel test robot
Date: Mon Jun 29 2020 - 14:51:30 EST

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Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.8-rc3 next-20200629]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/trix-redhat-com/fpga-dfl-improve-configuration-of-dfl-pci-devices/20200628-231854
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 719fdd32921fb7e3208db8832d32ae1c2d68900f
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All error/warnings (new ones prefixed by >>):

drivers/fpga/dfl-fme-perf.c: In function 'fme_perf_event_destroy':
>> drivers/fpga/dfl-fme-perf.c:788:54: error: 'struct perf_event' has no member named 'hw'
788 | struct fme_perf_event_ops *ops = get_event_ops(event->hw.event_base);
| ^~
In file included from include/linux/list.h:9,
from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/ia64/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from include/linux/perf_event.h:18,
from drivers/fpga/dfl-fme-perf.c:19:
>> drivers/fpga/dfl-fme-perf.c:789:53: error: 'struct perf_event' has no member named 'pmu'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/kernel.h:1002:26: note: in definition of macro 'container_of'
1002 | void *__mptr = (void *)(ptr); \
| ^~~
>> drivers/fpga/dfl-fme-perf.c:789:31: note: in expansion of macro 'to_fme_perf_priv'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
>> drivers/fpga/dfl-fme-perf.c:789:53: error: 'struct perf_event' has no member named 'pmu'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:20: note: in expansion of macro '__same_type'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:176:32: note: in expansion of macro 'container_of'
176 | #define to_fme_perf_priv(_pmu) container_of(_pmu, struct fme_perf_priv, pmu)
| ^~~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:789:31: note: in expansion of macro 'to_fme_perf_priv'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:789:53: error: 'struct perf_event' has no member named 'pmu'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:1004:6: note: in expansion of macro '__same_type'
1004 | !__same_type(*(ptr), void), \
| ^~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:176:32: note: in expansion of macro 'container_of'
176 | #define to_fme_perf_priv(_pmu) container_of(_pmu, struct fme_perf_priv, pmu)
| ^~~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:789:31: note: in expansion of macro 'to_fme_perf_priv'
789 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:792:33: error: 'struct perf_event' has no member named 'hw'
792 | ops->event_destroy(priv, event->hw.idx, event->hw.config_base);
| ^~
drivers/fpga/dfl-fme-perf.c:792:48: error: 'struct perf_event' has no member named 'hw'
792 | ops->event_destroy(priv, event->hw.idx, event->hw.config_base);
| ^~
In file included from include/linux/list.h:9,
from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/ia64/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from include/linux/perf_event.h:18,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c: In function 'fme_perf_event_init':
drivers/fpga/dfl-fme-perf.c:797:53: error: 'struct perf_event' has no member named 'pmu'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/kernel.h:1002:26: note: in definition of macro 'container_of'
1002 | void *__mptr = (void *)(ptr); \
| ^~~
drivers/fpga/dfl-fme-perf.c:797:31: note: in expansion of macro 'to_fme_perf_priv'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:797:53: error: 'struct perf_event' has no member named 'pmu'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:20: note: in expansion of macro '__same_type'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:176:32: note: in expansion of macro 'container_of'
176 | #define to_fme_perf_priv(_pmu) container_of(_pmu, struct fme_perf_priv, pmu)
| ^~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:797:31: note: in expansion of macro 'to_fme_perf_priv'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:797:53: error: 'struct perf_event' has no member named 'pmu'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:1003:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
1003 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:1004:6: note: in expansion of macro '__same_type'
1004 | !__same_type(*(ptr), void), \
| ^~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:176:32: note: in expansion of macro 'container_of'
176 | #define to_fme_perf_priv(_pmu) container_of(_pmu, struct fme_perf_priv, pmu)
| ^~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:797:31: note: in expansion of macro 'to_fme_perf_priv'
797 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:798:36: error: 'struct perf_event' has no member named 'hw'
798 | struct hw_perf_event *hwc = &event->hw;
| ^~
>> drivers/fpga/dfl-fme-perf.c:803:11: error: 'struct perf_event' has no member named 'attr'
803 | if (event->attr.type != event->pmu->type)
| ^~
drivers/fpga/dfl-fme-perf.c:803:31: error: 'struct perf_event' has no member named 'pmu'
803 | if (event->attr.type != event->pmu->type)
| ^~
>> drivers/fpga/dfl-fme-perf.c:811:6: error: implicit declaration of function 'is_sampling_event' [-Werror=implicit-function-declaration]
811 | if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)
| ^~~~~~~~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:811:39: error: 'struct perf_event' has no member named 'attach_state'
811 | if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)
| ^~
>> drivers/fpga/dfl-fme-perf.c:814:11: error: 'struct perf_event' has no member named 'cpu'
814 | if (event->cpu < 0)
| ^~
drivers/fpga/dfl-fme-perf.c:817:11: error: 'struct perf_event' has no member named 'cpu'
817 | if (event->cpu != priv->cpu)
| ^~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:820:27: error: 'struct perf_event' has no member named 'attr'
820 | eventid = get_event(event->attr.config);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
108 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:213:28: note: in expansion of macro 'FIELD_GET'
213 | #define get_event(_config) FIELD_GET(FME_EVENT_MASK, _config)
| ^~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:820:12: note: in expansion of macro 'get_event'
820 | eventid = get_event(event->attr.config);
| ^~~~~~~~~
In file included from drivers/fpga/dfl.h:17,
from drivers/fpga/dfl-fme-perf.c:20:
drivers/fpga/dfl-fme-perf.c:820:27: error: 'struct perf_event' has no member named 'attr'
820 | eventid = get_event(event->attr.config);
| ^~
include/linux/bitfield.h:109:21: note: in definition of macro 'FIELD_GET'
109 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
| ^~~~
>> drivers/fpga/dfl-fme-perf.c:820:12: note: in expansion of macro 'get_event'
820 | eventid = get_event(event->attr.config);
| ^~~~~~~~~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:821:27: error: 'struct perf_event' has no member named 'attr'
821 | portid = get_portid(event->attr.config);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
108 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:215:29: note: in expansion of macro 'FIELD_GET'
215 | #define get_portid(_config) FIELD_GET(FME_PORTID_MASK, _config)
| ^~~~~~~~~
>> drivers/fpga/dfl-fme-perf.c:821:11: note: in expansion of macro 'get_portid'
821 | portid = get_portid(event->attr.config);
| ^~~~~~~~~~
In file included from drivers/fpga/dfl.h:17,
from drivers/fpga/dfl-fme-perf.c:20:
drivers/fpga/dfl-fme-perf.c:821:27: error: 'struct perf_event' has no member named 'attr'
821 | portid = get_portid(event->attr.config);
| ^~
include/linux/bitfield.h:109:21: note: in definition of macro 'FIELD_GET'
109 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
| ^~~~
>> drivers/fpga/dfl-fme-perf.c:821:11: note: in expansion of macro 'get_portid'
821 | portid = get_portid(event->attr.config);
| ^~~~~~~~~~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:822:27: error: 'struct perf_event' has no member named 'attr'
822 | evtype = get_evtype(event->attr.config);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK'
108 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:214:29: note: in expansion of macro 'FIELD_GET'
214 | #define get_evtype(_config) FIELD_GET(FME_EVTYPE_MASK, _config)
| ^~~~~~~~~
drivers/fpga/dfl-fme-perf.c:822:11: note: in expansion of macro 'get_evtype'
822 | evtype = get_evtype(event->attr.config);
| ^~~~~~~~~~
In file included from drivers/fpga/dfl.h:17,
from drivers/fpga/dfl-fme-perf.c:20:
drivers/fpga/dfl-fme-perf.c:822:27: error: 'struct perf_event' has no member named 'attr'
822 | evtype = get_evtype(event->attr.config);
| ^~
include/linux/bitfield.h:109:21: note: in definition of macro 'FIELD_GET'
109 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
| ^~~~
drivers/fpga/dfl-fme-perf.c:822:11: note: in expansion of macro 'get_evtype'
822 | evtype = get_evtype(event->attr.config);
| ^~~~~~~~~~
drivers/fpga/dfl-fme-perf.c:826:5: error: 'struct hw_perf_event' has no member named 'event_base'
826 | hwc->event_base = evtype;
| ^~
drivers/fpga/dfl-fme-perf.c:827:5: error: 'struct hw_perf_event' has no member named 'idx'
827 | hwc->idx = (int)eventid;
| ^~
drivers/fpga/dfl-fme-perf.c:828:5: error: 'struct hw_perf_event' has no member named 'config_base'
828 | hwc->config_base = portid;
| ^~
drivers/fpga/dfl-fme-perf.c:830:7: error: 'struct perf_event' has no member named 'destroy'
830 | event->destroy = fme_perf_event_destroy;
| ^~
drivers/fpga/dfl-fme-perf.c: In function 'fme_perf_event_update':
drivers/fpga/dfl-fme-perf.c:844:54: error: 'struct perf_event' has no member named 'hw'
844 | struct fme_perf_event_ops *ops = get_event_ops(event->hw.event_base);
| ^~
In file included from include/linux/list.h:9,
from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/ia64/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from include/linux/perf_event.h:18,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:845:53: error: 'struct perf_event' has no member named 'pmu'
845 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/kernel.h:1002:26: note: in definition of macro 'container_of'
1002 | void *__mptr = (void *)(ptr); \
| ^~~
drivers/fpga/dfl-fme-perf.c:845:31: note: in expansion of macro 'to_fme_perf_priv'
845 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~~~~~~~~~~~~~~~
In file included from include/uapi/linux/swab.h:6,
from include/linux/swab.h:5,
from include/uapi/linux/byteorder/little_endian.h:13,
from include/linux/byteorder/little_endian.h:5,
from arch/ia64/include/uapi/asm/byteorder.h:5,
from include/uapi/linux/perf_event.h:20,
from include/linux/perf_event.h:17,
from drivers/fpga/dfl-fme-perf.c:19:
drivers/fpga/dfl-fme-perf.c:845:53: error: 'struct perf_event' has no member named 'pmu'
845 | struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
| ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~

vim +788 drivers/fpga/dfl-fme-perf.c

724142f8c42a7b Wu Hao 2020-04-27 785
724142f8c42a7b Wu Hao 2020-04-27 786 static void fme_perf_event_destroy(struct perf_event *event)
724142f8c42a7b Wu Hao 2020-04-27 787 {
724142f8c42a7b Wu Hao 2020-04-27 @788 struct fme_perf_event_ops *ops = get_event_ops(event->hw.event_base);
724142f8c42a7b Wu Hao 2020-04-27 @789 struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
724142f8c42a7b Wu Hao 2020-04-27 790
724142f8c42a7b Wu Hao 2020-04-27 791 if (ops->event_destroy)
724142f8c42a7b Wu Hao 2020-04-27 792 ops->event_destroy(priv, event->hw.idx, event->hw.config_base);
724142f8c42a7b Wu Hao 2020-04-27 793 }
724142f8c42a7b Wu Hao 2020-04-27 794
724142f8c42a7b Wu Hao 2020-04-27 795 static int fme_perf_event_init(struct perf_event *event)
724142f8c42a7b Wu Hao 2020-04-27 796 {
724142f8c42a7b Wu Hao 2020-04-27 797 struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
724142f8c42a7b Wu Hao 2020-04-27 @798 struct hw_perf_event *hwc = &event->hw;
724142f8c42a7b Wu Hao 2020-04-27 799 struct fme_perf_event_ops *ops;
724142f8c42a7b Wu Hao 2020-04-27 800 u32 eventid, evtype, portid;
724142f8c42a7b Wu Hao 2020-04-27 801
724142f8c42a7b Wu Hao 2020-04-27 802 /* test the event attr type check for PMU enumeration */
724142f8c42a7b Wu Hao 2020-04-27 @803 if (event->attr.type != event->pmu->type)
724142f8c42a7b Wu Hao 2020-04-27 804 return -ENOENT;
724142f8c42a7b Wu Hao 2020-04-27 805
724142f8c42a7b Wu Hao 2020-04-27 806 /*
724142f8c42a7b Wu Hao 2020-04-27 807 * fme counters are shared across all cores.
724142f8c42a7b Wu Hao 2020-04-27 808 * Therefore, it does not support per-process mode.
724142f8c42a7b Wu Hao 2020-04-27 809 * Also, it does not support event sampling mode.
724142f8c42a7b Wu Hao 2020-04-27 810 */
724142f8c42a7b Wu Hao 2020-04-27 @811 if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)
724142f8c42a7b Wu Hao 2020-04-27 812 return -EINVAL;
724142f8c42a7b Wu Hao 2020-04-27 813
724142f8c42a7b Wu Hao 2020-04-27 @814 if (event->cpu < 0)
724142f8c42a7b Wu Hao 2020-04-27 815 return -EINVAL;
724142f8c42a7b Wu Hao 2020-04-27 816
724142f8c42a7b Wu Hao 2020-04-27 817 if (event->cpu != priv->cpu)
724142f8c42a7b Wu Hao 2020-04-27 818 return -EINVAL;
724142f8c42a7b Wu Hao 2020-04-27 819
724142f8c42a7b Wu Hao 2020-04-27 @820 eventid = get_event(event->attr.config);
724142f8c42a7b Wu Hao 2020-04-27 @821 portid = get_portid(event->attr.config);
724142f8c42a7b Wu Hao 2020-04-27 @822 evtype = get_evtype(event->attr.config);
724142f8c42a7b Wu Hao 2020-04-27 823 if (evtype > FME_EVTYPE_MAX)
724142f8c42a7b Wu Hao 2020-04-27 824 return -EINVAL;
724142f8c42a7b Wu Hao 2020-04-27 825
724142f8c42a7b Wu Hao 2020-04-27 @826 hwc->event_base = evtype;
724142f8c42a7b Wu Hao 2020-04-27 @827 hwc->idx = (int)eventid;
724142f8c42a7b Wu Hao 2020-04-27 @828 hwc->config_base = portid;
724142f8c42a7b Wu Hao 2020-04-27 829
724142f8c42a7b Wu Hao 2020-04-27 @830 event->destroy = fme_perf_event_destroy;
724142f8c42a7b Wu Hao 2020-04-27 831
724142f8c42a7b Wu Hao 2020-04-27 832 dev_dbg(priv->dev, "%s event=0x%x, evtype=0x%x, portid=0x%x,\n",
724142f8c42a7b Wu Hao 2020-04-27 833 __func__, eventid, evtype, portid);
724142f8c42a7b Wu Hao 2020-04-27 834
724142f8c42a7b Wu Hao 2020-04-27 835 ops = get_event_ops(evtype);
724142f8c42a7b Wu Hao 2020-04-27 836 if (ops->event_init)
724142f8c42a7b Wu Hao 2020-04-27 837 return ops->event_init(priv, eventid, portid);
724142f8c42a7b Wu Hao 2020-04-27 838
724142f8c42a7b Wu Hao 2020-04-27 839 return 0;
724142f8c42a7b Wu Hao 2020-04-27 840 }
724142f8c42a7b Wu Hao 2020-04-27 841
724142f8c42a7b Wu Hao 2020-04-27 842 static void fme_perf_event_update(struct perf_event *event)
724142f8c42a7b Wu Hao 2020-04-27 843 {
724142f8c42a7b Wu Hao 2020-04-27 844 struct fme_perf_event_ops *ops = get_event_ops(event->hw.event_base);
724142f8c42a7b Wu Hao 2020-04-27 845 struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
724142f8c42a7b Wu Hao 2020-04-27 846 struct hw_perf_event *hwc = &event->hw;
724142f8c42a7b Wu Hao 2020-04-27 847 u64 now, prev, delta;
724142f8c42a7b Wu Hao 2020-04-27 848
724142f8c42a7b Wu Hao 2020-04-27 849 now = ops->read_counter(priv, (u32)hwc->idx, hwc->config_base);
724142f8c42a7b Wu Hao 2020-04-27 @850 prev = local64_read(&hwc->prev_count);
724142f8c42a7b Wu Hao 2020-04-27 851 delta = now - prev;
724142f8c42a7b Wu Hao 2020-04-27 852
724142f8c42a7b Wu Hao 2020-04-27 @853 local64_add(delta, &event->count);
724142f8c42a7b Wu Hao 2020-04-27 854 }
724142f8c42a7b Wu Hao 2020-04-27 855
724142f8c42a7b Wu Hao 2020-04-27 856 static void fme_perf_event_start(struct perf_event *event, int flags)
724142f8c42a7b Wu Hao 2020-04-27 857 {
724142f8c42a7b Wu Hao 2020-04-27 858 struct fme_perf_event_ops *ops = get_event_ops(event->hw.event_base);
724142f8c42a7b Wu Hao 2020-04-27 859 struct fme_perf_priv *priv = to_fme_perf_priv(event->pmu);
724142f8c42a7b Wu Hao 2020-04-27 860 struct hw_perf_event *hwc = &event->hw;
724142f8c42a7b Wu Hao 2020-04-27 861 u64 count;
724142f8c42a7b Wu Hao 2020-04-27 862
724142f8c42a7b Wu Hao 2020-04-27 863 count = ops->read_counter(priv, (u32)hwc->idx, hwc->config_base);
724142f8c42a7b Wu Hao 2020-04-27 @864 local64_set(&hwc->prev_count, count);
724142f8c42a7b Wu Hao 2020-04-27 865 }
724142f8c42a7b Wu Hao 2020-04-27 866
724142f8c42a7b Wu Hao 2020-04-27 867 static void fme_perf_event_stop(struct perf_event *event, int flags)
724142f8c42a7b Wu Hao 2020-04-27 868 {
724142f8c42a7b Wu Hao 2020-04-27 869 fme_perf_event_update(event);
724142f8c42a7b Wu Hao 2020-04-27 870 }
724142f8c42a7b Wu Hao 2020-04-27 871
724142f8c42a7b Wu Hao 2020-04-27 872 static int fme_perf_event_add(struct perf_event *event, int flags)
724142f8c42a7b Wu Hao 2020-04-27 873 {
724142f8c42a7b Wu Hao 2020-04-27 874 if (flags & PERF_EF_START)
724142f8c42a7b Wu Hao 2020-04-27 875 fme_perf_event_start(event, flags);
724142f8c42a7b Wu Hao 2020-04-27 876
724142f8c42a7b Wu Hao 2020-04-27 877 return 0;
724142f8c42a7b Wu Hao 2020-04-27 878 }
724142f8c42a7b Wu Hao 2020-04-27 879
724142f8c42a7b Wu Hao 2020-04-27 880 static void fme_perf_event_del(struct perf_event *event, int flags)
724142f8c42a7b Wu Hao 2020-04-27 881 {
724142f8c42a7b Wu Hao 2020-04-27 882 fme_perf_event_stop(event, PERF_EF_UPDATE);
724142f8c42a7b Wu Hao 2020-04-27 883 }
724142f8c42a7b Wu Hao 2020-04-27 884
724142f8c42a7b Wu Hao 2020-04-27 885 static void fme_perf_event_read(struct perf_event *event)
724142f8c42a7b Wu Hao 2020-04-27 886 {
724142f8c42a7b Wu Hao 2020-04-27 887 fme_perf_event_update(event);
724142f8c42a7b Wu Hao 2020-04-27 888 }
724142f8c42a7b Wu Hao 2020-04-27 889
724142f8c42a7b Wu Hao 2020-04-27 890 static void fme_perf_setup_hardware(struct fme_perf_priv *priv)
724142f8c42a7b Wu Hao 2020-04-27 891 {
724142f8c42a7b Wu Hao 2020-04-27 892 void __iomem *base = priv->ioaddr;
724142f8c42a7b Wu Hao 2020-04-27 893 u64 v;
724142f8c42a7b Wu Hao 2020-04-27 894
724142f8c42a7b Wu Hao 2020-04-27 895 /* read and save current working mode for fabric counters */
724142f8c42a7b Wu Hao 2020-04-27 896 v = readq(base + FAB_CTRL);
724142f8c42a7b Wu Hao 2020-04-27 897
724142f8c42a7b Wu Hao 2020-04-27 898 if (FIELD_GET(FAB_PORT_FILTER, v) == FAB_PORT_FILTER_DISABLE)
724142f8c42a7b Wu Hao 2020-04-27 899 priv->fab_port_id = FME_PORTID_ROOT;
724142f8c42a7b Wu Hao 2020-04-27 900 else
724142f8c42a7b Wu Hao 2020-04-27 901 priv->fab_port_id = FIELD_GET(FAB_PORT_ID, v);
724142f8c42a7b Wu Hao 2020-04-27 902 }
724142f8c42a7b Wu Hao 2020-04-27 903
724142f8c42a7b Wu Hao 2020-04-27 904 static int fme_perf_pmu_register(struct platform_device *pdev,
724142f8c42a7b Wu Hao 2020-04-27 905 struct fme_perf_priv *priv)
724142f8c42a7b Wu Hao 2020-04-27 906 {
724142f8c42a7b Wu Hao 2020-04-27 907 struct pmu *pmu = &priv->pmu;
724142f8c42a7b Wu Hao 2020-04-27 908 char *name;
724142f8c42a7b Wu Hao 2020-04-27 909 int ret;
724142f8c42a7b Wu Hao 2020-04-27 910
724142f8c42a7b Wu Hao 2020-04-27 911 spin_lock_init(&priv->fab_lock);
724142f8c42a7b Wu Hao 2020-04-27 912
724142f8c42a7b Wu Hao 2020-04-27 913 fme_perf_setup_hardware(priv);
724142f8c42a7b Wu Hao 2020-04-27 914
724142f8c42a7b Wu Hao 2020-04-27 915 pmu->task_ctx_nr = perf_invalid_context;
724142f8c42a7b Wu Hao 2020-04-27 916 pmu->attr_groups = fme_perf_groups;
724142f8c42a7b Wu Hao 2020-04-27 917 pmu->attr_update = fme_perf_events_groups;
724142f8c42a7b Wu Hao 2020-04-27 918 pmu->event_init = fme_perf_event_init;
724142f8c42a7b Wu Hao 2020-04-27 919 pmu->add = fme_perf_event_add;
724142f8c42a7b Wu Hao 2020-04-27 920 pmu->del = fme_perf_event_del;
724142f8c42a7b Wu Hao 2020-04-27 921 pmu->start = fme_perf_event_start;
724142f8c42a7b Wu Hao 2020-04-27 922 pmu->stop = fme_perf_event_stop;
724142f8c42a7b Wu Hao 2020-04-27 923 pmu->read = fme_perf_event_read;
724142f8c42a7b Wu Hao 2020-04-27 924 pmu->capabilities = PERF_PMU_CAP_NO_INTERRUPT |
724142f8c42a7b Wu Hao 2020-04-27 925 PERF_PMU_CAP_NO_EXCLUDE;
724142f8c42a7b Wu Hao 2020-04-27 926
724142f8c42a7b Wu Hao 2020-04-27 927 name = devm_kasprintf(priv->dev, GFP_KERNEL, "dfl_fme%d", pdev->id);
724142f8c42a7b Wu Hao 2020-04-27 928
724142f8c42a7b Wu Hao 2020-04-27 @929 ret = perf_pmu_register(pmu, name, -1);
724142f8c42a7b Wu Hao 2020-04-27 930 if (ret)
724142f8c42a7b Wu Hao 2020-04-27 931 return ret;
724142f8c42a7b Wu Hao 2020-04-27 932
724142f8c42a7b Wu Hao 2020-04-27 933 return 0;
724142f8c42a7b Wu Hao 2020-04-27 934 }
724142f8c42a7b Wu Hao 2020-04-27 935
724142f8c42a7b Wu Hao 2020-04-27 936 static void fme_perf_pmu_unregister(struct fme_perf_priv *priv)
724142f8c42a7b Wu Hao 2020-04-27 937 {
724142f8c42a7b Wu Hao 2020-04-27 @938 perf_pmu_unregister(&priv->pmu);
724142f8c42a7b Wu Hao 2020-04-27 939 }
724142f8c42a7b Wu Hao 2020-04-27 940

---
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