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Tue, 12 Oct 2021 18:25:15 +0000 (GMT) Received: from osiris (unknown [9.145.95.158]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 12 Oct 2021 18:25:15 +0000 (GMT) Date: Tue, 12 Oct 2021 20:25:14 +0200 From: Heiko Carstens To: Jiri Olsa Cc: Steven Rostedt , Thomas Gleixner , Ingo Molnar , Borislav Petkov , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] s390: DYNAMIC_FTRACE_WITH_DIRECT_CALL support Message-ID: References: <20211012133802.2460757-1-hca@linux.ibm.com> <20211012094852.7f6a59b8@gandalf.local.home> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: wXpCcBTUryJED5_ym5X2ycw3TaGgK5Az X-Proofpoint-ORIG-GUID: fGjxMn0CqYkSsvc_NxiDFum5QzUXB1kD X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-12_04,2021-10-12_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 phishscore=0 mlxlogscore=870 malwarescore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110120097 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 12, 2021 at 07:04:53PM +0200, Jiri Olsa wrote: > > > See here: > > > > > > https://lore.kernel.org/all/20211008091336.33616-1-jolsa@kernel.org/ > > > > I applied Jiri's patch set and the newly added selftest passes. > > nice, could I have your Tested-by? ;-) Well, now I added also the missing pieces to ftrace-direct-multi sample module and when loading that and looking into /sys/kernel/debug/tracing/trace it looks like "my_direct_func" gets some random junk as parameter and nothing that could count as "ip". Will look into that, probably tomorrow.