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Sun, 10 Nov 2024 17:05:26 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8705E20049; Sun, 10 Nov 2024 17:05:26 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CBBBB20040; Sun, 10 Nov 2024 17:05:25 +0000 (GMT) Received: from osiris (unknown [9.171.74.231]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTPS; Sun, 10 Nov 2024 17:05:25 +0000 (GMT) Date: Sun, 10 Nov 2024 18:05:24 +0100 From: Heiko Carstens To: "Masami Hiramatsu (Google)" Cc: Alexei Starovoitov , Steven Rostedt , Florent Revest , linux-trace-kernel@vger.kernel.org, LKML , Martin KaFai Lau , bpf , Alexei Starovoitov , Jiri Olsa , Alan Maguire , Mark Rutland , linux-arch@vger.kernel.org, Sven Schnelle Subject: Re: [PATCH v19 11/19] s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC Message-ID: <20241110170524.6661-C-hca@linux.ibm.com> References: <173125372214.172790.6929368952404083802.stgit@devnote2> <173125385879.172790.60734156759309440.stgit@devnote2> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <173125385879.172790.60734156759309440.stgit@devnote2> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Zz-6mYj45FElpJcXUgDWkm5Iza_ji5jI X-Proofpoint-GUID: GFyYZ8N9EpRadcR7Uav-c2AYEabtmZET X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=474 phishscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 suspectscore=0 adultscore=0 spamscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411100151 On Mon, Nov 11, 2024 at 12:50:58AM +0900, Masami Hiramatsu (Google) wrote: > From: Sven Schnelle > > Add ftrace_graph_func() which is required for fprobe to access registers. > This also eliminates the need for calling prepare_ftrace_return() from > ftrace_caller(). > > Signed-off-by: Sven Schnelle > --- > Changes in v19: > - Newly added. > --- > arch/s390/Kconfig | 1 + > arch/s390/include/asm/ftrace.h | 5 ++++ > arch/s390/kernel/entry.h | 1 - > arch/s390/kernel/ftrace.c | 48 ++++++++++++---------------------------- > arch/s390/kernel/mcount.S | 11 --------- > 5 files changed, 20 insertions(+), 46 deletions(-) Acked-by: Heiko Carstens