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Groups > linux.kernel > #1425310
| From | Steven Rostedt <rostedt@goodmis.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 4/4] stm: Mark the functions of writing buffer with notrace |
| Date | 2016-06-17 18:30 +0200 |
| Message-ID | <rL4OC-qf-23@gated-at.bofh.it> (permalink) |
| References | <rFclP-7HG-3@gated-at.bofh.it> <rFclP-7HG-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 1 Jun 2016 19:18:59 +0800 Chunyan Zhang <zhang.chunyan@linaro.org> wrote: > If CONFIG_STM_FTRACE is selected, Function trace data would be > writen to STM buffer, all functions that related to writing data > packets to STM buffer should be marked 'notrace' to avoid being > traced by Ftrace, otherwise the program would stall into an endless loop. > > Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org> > --- > drivers/hwtracing/coresight/coresight-stm.c | 2 +- > drivers/hwtracing/intel_th/sth.c | 11 +++++++---- > drivers/hwtracing/stm/core.c | 7 ++++--- > drivers/hwtracing/stm/dummy_stm.c | 2 +- > include/linux/stm.h | 4 ++-- > 5 files changed, 15 insertions(+), 11 deletions(-) Acked-by: Steven Rostedt <rostedt@goodmis.org> -- Steve
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Re: [RFC PATCH 4/4] stm: Mark the functions of writing buffer with notrace Steven Rostedt <rostedt@goodmis.org> - 2016-06-17 18:30 +0200
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