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Groups > linux.kernel > #1314787
| From | kbuild test robot <lkp@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] perf core: Get rid of 'uses dynamic stack allocation' warning |
| Date | 2016-01-22 08:10 +0100 |
| Message-ID | <qTE14-BU-5@gated-at.bofh.it> (permalink) |
| References | <qTDRo-hX-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
[Multipart message — attachments visible in raw view] - view raw
Hi Wang,
[auto build test WARNING on tip/perf/core]
[also build test WARNING on v4.4 next-20160121]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Wang-Nan/perf-core-Get-rid-of-uses-dynamic-stack-allocation-warning/20160122-145515
config: i386-tinyconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
kernel/events/core.c: In function 'perf_event_read_event':
>> kernel/events/core.c:5571:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct perf_read_event read_event = {
^
kernel/events/core.c: In function 'perf_event_task_output':
kernel/events/core.c:5695:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct task_struct *task = task_event->task;
^
kernel/events/core.c: In function 'perf_event_comm_output':
kernel/events/core.c:5791:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int size = comm_event->event_id.header.size;
^
kernel/events/core.c: In function 'perf_event_mmap_output':
kernel/events/core.c:5904:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int size = mmap_event->event_id.header.size;
^
kernel/events/core.c: In function 'perf_event_aux_event':
kernel/events/core.c:6109:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct perf_aux_event {
^
kernel/events/core.c: In function 'perf_log_lost_samples':
kernel/events/core.c:6145:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int ret;
^
kernel/events/core.c: In function 'perf_event_switch_output':
kernel/events/core.c:6196:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int ret;
^
kernel/events/core.c: In function 'perf_log_throttle':
kernel/events/core.c:6264:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int ret;
^
kernel/events/core.c: In function 'perf_log_itrace_start':
kernel/events/core.c:6301:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct perf_aux_event {
^
kernel/events/core.c: In function 'perf_bp_event':
kernel/events/core.c:7078:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct pt_regs *regs = data;
^
kernel/events/core.c: In function 'perf_swevent_hrtimer':
kernel/events/core.c:7095:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct pt_regs *regs;
^
vim +5571 kernel/events/core.c
cdd6c482 kernel/perf_event.c Ingo Molnar 2009-09-21 5555 * read event_id
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5556 */
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5557
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5558 struct perf_read_event {
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5559 struct perf_event_header header;
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5560
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5561 u32 pid;
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5562 u32 tid;
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5563 };
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5564
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5565 static void
cdd6c482 kernel/perf_event.c Ingo Molnar 2009-09-21 5566 perf_event_read_event(struct perf_event *event,
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5567 struct task_struct *task)
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5568 {
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5569 struct perf_output_handle handle;
3ff786eb kernel/events/core.c Wang Nan 2016-01-22 5570 DEFINE_PERF_SAMPLE_DATA_ALIGNED(psample, temp);
dfc65094 kernel/perf_counter.c Ingo Molnar 2009-09-21 @5571 struct perf_read_event read_event = {
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5572 .header = {
cdd6c482 kernel/perf_event.c Ingo Molnar 2009-09-21 5573 .type = PERF_RECORD_READ,
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5574 .misc = 0,
c320c7b7 kernel/perf_event.c Arnaldo Carvalho de Melo 2010-10-20 5575 .size = sizeof(read_event) + event->read_size,
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5576 },
cdd6c482 kernel/perf_event.c Ingo Molnar 2009-09-21 5577 .pid = perf_event_pid(event, task),
cdd6c482 kernel/perf_event.c Ingo Molnar 2009-09-21 5578 .tid = perf_event_tid(event, task),
38b200d6 kernel/perf_counter.c Peter Zijlstra 2009-06-23 5579 };
:::::: The code at line 5571 was first introduced by commit
:::::: dfc65094d0313cc48969fa60bcf33d693aeb05a7 perf_counter: Rename 'event' to event_id/hw_event
:::::: TO: Ingo Molnar <mingo@elte.hu>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
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[PATCH] perf core: Get rid of 'uses dynamic stack allocation' warning Wang Nan <wangnan0@huawei.com> - 2016-01-22 08:00 +0100
Re: [PATCH] perf core: Get rid of 'uses dynamic stack allocation' warning kbuild test robot <lkp@intel.com> - 2016-01-22 08:10 +0100
Re: [PATCH] perf core: Get rid of 'uses dynamic stack allocation' warning Peter Zijlstra <peterz@infradead.org> - 2016-01-22 09:10 +0100
Re: [PATCH] perf core: Get rid of 'uses dynamic stack allocation' warning "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-22 09:10 +0100
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