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Wed, 9 Jul 2025 09:27:02 +0000 (GMT) Message-ID: <8c112fd80ba37a1f05e0899afd4daa0bda7d6066.camel@linux.ibm.com> Subject: Re: [PATCH PING 0/2] scripts/gdb/symbols: make lx-symbols skip the s390 decompressor From: Ilya Leoshkevich To: Jan Kiszka , Kieran Bingham Cc: linux-kernel@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev Date: Wed, 09 Jul 2025 11:27:01 +0200 In-Reply-To: <20250625154220.75300-1-iii@linux.ibm.com> References: <20250625154220.75300-1-iii@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzA5MDA4MyBTYWx0ZWRfX+vM9Xm5gKdNQ HPg+1IT84dC8h7N4afICs3QjZjaNjOlpc9PTDzTOsQK2SfqTIut4NEWMq4sb0oy0pQFQkkDGG7q c5KjRCUIL1hdC7kh2hCHj0lYhiNGazf3E8t+Bfe050W9vRLVh6/iLpA4qinX8UAfT8uQBkzN1Id hbqWbuDk2OcL+0rBvA34Wpvsmol7nw8ORSg0DTv6uU3XM+9fDotPopkc5KdnfIUcyjwtPDxfAZ8 By4+xkIiHyByHptUCdmSzE2/lJZ8eKbIFdPp9bYytoP2SNYmfZ05eVq2m6II4hbAGkVjc0Bvpub 5w1zBhNMQ0HiPU1WDzse/y62Grw8uEVf05TDH4B1Y5YtxeM4PAF9c2Jg8aXgMtvLseVebmxydxh E5p09kdg7GJYDxtkfUniVhG2V+9plSklGksm23h9H2Ij9wA+2SbL4+/QeuP6bwhXEUHcxjYT X-Authority-Analysis: v=2.4 cv=XYeJzJ55 c=1 sm=1 tr=0 ts=686e35eb cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=pcLcdM1_4t_Ntr76G24A:9 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: b2qMO8rsilk0tANpMg0Ixny3vubq8ZIA X-Proofpoint-GUID: b2qMO8rsilk0tANpMg0Ixny3vubq8ZIA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-09_02,2025-07-08_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 impostorscore=0 phishscore=0 bulkscore=0 clxscore=1015 spamscore=0 mlxlogscore=612 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507090083 On Wed, 2025-06-25 at 17:36 +0200, Ilya Leoshkevich wrote: > Hi, >=20 > In order to debug the early s390 kernel boot, one has to skip the > decompressor code, which requires some private scripts or memorized > commands. This series makes it work out of the box with the lx- > symbols > command. >=20 > Patch 1 adds helper infrastructure to the s390 decompressor code; it > is > already acked by Heiko. >=20 > Patch 2 is the implementation; it would be great to have an Ack from > one of the GDB scripts maintainers. >=20 > We would like to get this series via the s390 tree, if possible. >=20 > Best regards, > Ilya >=20 > Ilya Leoshkevich (2): > =C2=A0 s390/boot: Introduce jump_to_kernel() function > =C2=A0 scripts/gdb/symbols: make lx-symbols skip the s390 decompressor >=20 > =C2=A0arch/s390/boot/Makefile=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 2 +- > =C2=A0arch/s390/boot/boot.h=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |= =C2=A0 1 + > =C2=A0arch/s390/boot/ipl_data.c=C2=A0=C2=A0=C2=A0 |=C2=A0 9 ++++++++- > =C2=A0arch/s390/boot/startup.c=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 2 +- > =C2=A0arch/s390/boot/trampoline.S=C2=A0 |=C2=A0 9 +++++++++ > =C2=A0scripts/gdb/linux/symbols.py | 26 ++++++++++++++++++++++++++ > =C2=A06 files changed, 46 insertions(+), 3 deletions(-) > =C2=A0create mode 100644 arch/s390/boot/trampoline.S Gentle ping. Any feedback would be greatly appreciated.