From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexander.shishkin@linux.intel.com (Alexander Shishkin) Date: Fri, 18 Nov 2016 16:45:13 +0200 Subject: [PATCH V8 3/3] stm: Mark the functions of writing buffer with notrace In-Reply-To: <1479438454-28650-4-git-send-email-zhang.chunyan@linaro.org> References: <1479438454-28650-1-git-send-email-zhang.chunyan@linaro.org> <1479438454-28650-4-git-send-email-zhang.chunyan@linaro.org> Message-ID: <871sy8g83q.fsf@ashishki-desk.ger.corp.intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Chunyan Zhang writes: > If CONFIG_STM_SOURCE_FTRACE is selected, Function trace data can be writen > to sink via STM, all functions that related to writing data packets to > STM should be marked 'notrace' to avoid being traced by Ftrace, otherwise > the program would stall into an endless loop. > > Signed-off-by: Chunyan Zhang > Acked-by: Steven Rostedt > --- > 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(-) Quick nit: can you please split this one in 4: one for Coresight, one for Intel TH, one for stm/dummy and one for stm/core? I'd like to keep the bisectability. Otherwise, this is fine by me: Acked-by: Alexander Shishkin Regards, -- Alex