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Rao" To: Michael Ellerman , Steven Rostedt Subject: [PATCH 0/3] powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR Date: Thu, 5 Sep 2019 23:50:27 +0530 X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19090518-0008-0000-0000-000003118392 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19090518-0009-0000-0000-00004A2FDE4D Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-05_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=554 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909050172 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR for more robust stack unwinding when function graph tracer is in use. Convert powerpc show_stack() to use ftrace_graph_ret_addr() for better stack unwinding. - Naveen Naveen N. Rao (3): ftrace: Look up the address of return_to_handler() using helpers powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR powerpc: Use ftrace_graph_ret_addr() when unwinding arch/powerpc/include/asm/asm-prototypes.h | 3 ++- arch/powerpc/include/asm/ftrace.h | 2 ++ arch/powerpc/kernel/process.c | 19 ++++++------------- arch/powerpc/kernel/stacktrace.c | 2 +- arch/powerpc/kernel/trace/ftrace.c | 5 +++-- arch/powerpc/kernel/trace/ftrace_32.S | 1 + .../powerpc/kernel/trace/ftrace_64_mprofile.S | 1 + arch/powerpc/kernel/trace/ftrace_64_pg.S | 1 + kernel/trace/fgraph.c | 4 ++-- 9 files changed, 19 insertions(+), 19 deletions(-) -- 2.23.0