From: kbuild test robot <lkp@intel.com>
To: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: kbuild-all@01.org, rostedt@goodmis.org,
mathieu.poirier@linaro.org, alexander.shishkin@linux.intel.com,
mingo@redhat.com, arnd@arndb.de, mike.leach@arm.com, tor@ti.com,
philippe.langlais@st.com, nicolas.guion@st.com,
felipe.balbi@linux.intel.com, zhang.lyra@gmail.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V4 1/3] tracing: add a possibility of exporting function trace to other places instead of ring buffer only
Date: Mon, 15 Aug 2016 21:03:22 +0800 [thread overview]
Message-ID: <201608152102.m6KoaCgL%fengguang.wu@intel.com> (raw)
In-Reply-To: <1471261803-1186-2-git-send-email-zhang.chunyan@linaro.org>
Hi Chunyan,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.8-rc2 next-20160815]
[cannot apply to linux/master]
[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/Chunyan-Zhang/tracing-add-a-possibility-of-exporting-function-trace-to-other-places-instead-of-ring-buffer-only/20160815-195631
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
include/linux/compiler.h:230:8: sparse: attribute 'no_sanitize_address': unknown attribute
>> kernel/trace/trace.c:2173:23: sparse: incompatible types in comparison expression (different address spaces)
kernel/trace/trace.c:2175:23: sparse: incompatible types in comparison expression (different address spaces)
vim +2173 kernel/trace/trace.c
2157 static DEFINE_MUTEX(trace_export_lock);
2158
2159 static struct trace_export trace_export_rb __read_mostly = {
2160 .name = "rb",
2161 .commit = trace_rb_commit,
2162 .next = NULL,
2163 };
2164 static struct trace_export *trace_exports_list __read_mostly = &trace_export_rb;
2165
2166 inline void
2167 trace_exports(struct trace_array *tr, struct ring_buffer_event *event)
2168 {
2169 struct trace_export *export;
2170
2171 preempt_disable_notrace();
2172
> 2173 for (export = rcu_dereference_raw_notrace(trace_exports_list);
2174 export && export->commit;
2175 export = rcu_dereference_raw_notrace(export->next)) {
2176 tr->export = export;
2177 export->commit(tr, event);
2178 }
2179
2180 preempt_enable_notrace();
2181 }
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
next prev parent reply other threads:[~2016-08-15 13:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-15 11:50 [PATCH V4 0/3] Integration of function trace with System Trace IP blocks Chunyan Zhang
2016-08-15 11:50 ` [PATCH V4 1/3] tracing: add a possibility of exporting function trace to other places instead of ring buffer only Chunyan Zhang
2016-08-15 13:03 ` kbuild test robot [this message]
2016-08-18 7:48 ` Chunyan Zhang
2016-08-15 14:28 ` Steven Rostedt
2016-08-17 12:48 ` Chunyan Zhang
2016-08-17 14:11 ` Steven Rostedt
2016-08-18 9:22 ` Chunyan Zhang
2016-08-18 16:12 ` Steven Rostedt
2016-08-23 8:53 ` Chunyan Zhang
2016-08-15 11:50 ` [PATCH V4 2/3] stm class: ftrace: Add ftrace-export-over-stm driver Chunyan Zhang
2016-08-15 11:50 ` [PATCH V4 3/3] stm: Mark the functions of writing buffer with notrace Chunyan Zhang
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