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Thu, 10 Jul 2025 05:46:37 +0000 (GMT) Date: Thu, 10 Jul 2025 07:46:36 +0200 From: Alexander Gordeev To: Ilya Leoshkevich Cc: Jan Kiszka , Kieran Bingham , linux-kernel@vger.kernel.org, Heiko Carstens , Vasily Gorbik Subject: Re: [PATCH 0/2] scripts/gdb/symbols: make lx-symbols skip the s390 decompressor Message-ID: <3e05be39-6b79-4ab2-af6d-2492515b86ab-agordeev@linux.ibm.com> References: <20250625154220.75300-1-iii@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-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: <20250625154220.75300-1-iii@linux.ibm.com> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=FZ43xI+6 c=1 sm=1 tr=0 ts=686f53c3 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=kj9zAlcOel0A:10 a=Wb1JkmetP80A:10 a=pcLcdM1_4t_Ntr76G24A:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: cLvXQ5QrEbRsbRGZCm0eL7PLCFQCdJI1 X-Proofpoint-ORIG-GUID: cLvXQ5QrEbRsbRGZCm0eL7PLCFQCdJI1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDA0OCBTYWx0ZWRfX8AUW3A2PT5dg nhrhq9LcquIIU+gZj1b5kiTke5x4EssEKgiHlkm4Rcw947/Ya2XNhAtLSsochvOKF2HBc1gh8NK 1MAapbD6X1G6s8XEDMtXV8GKQe62EdFbmIC/Iyj5W6wI8gaVtask4AygRIjul+FsL9g1sDRL316 1vpt5nV/guoa12lpc+hnIZxc6z2SeZfpRAbyRU7HaIp4rjUy6dcaLUAkD9k+nOSa1J2uYiajvCm TJWk9PIVP0zS+JJoyySwRi0D9ZrBu1MzBdWc+wOB3d2lbFtMwIF7S0sRZoQa8PrhNPweVwHX5QF VHA/u6ftJ6YsAugV1D36+a0I5D6qq2xXqxifecP9LXnUAkvVwMrvHUotmwmpDSD2WnZyFHnV89Z GNdSy00o2uLq7cFUhj8KUyqcMz6TRSiipMUNkhUlY0xctInBg9qDCzyHWcjMd3AW2GwK9DVI 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_05,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxscore=0 priorityscore=1501 malwarescore=0 mlxlogscore=495 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507100048 On Wed, Jun 25, 2025 at 05:36:50PM +0200, Ilya Leoshkevich wrote: > Hi, > > 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. > > Patch 1 adds helper infrastructure to the s390 decompressor code; it is > already acked by Heiko. > > Patch 2 is the implementation; it would be great to have an Ack from > one of the GDB scripts maintainers. > > We would like to get this series via the s390 tree, if possible. > > Best regards, > Ilya > > Ilya Leoshkevich (2): > s390/boot: Introduce jump_to_kernel() function > scripts/gdb/symbols: make lx-symbols skip the s390 decompressor > > arch/s390/boot/Makefile | 2 +- > arch/s390/boot/boot.h | 1 + > arch/s390/boot/ipl_data.c | 9 ++++++++- > arch/s390/boot/startup.c | 2 +- > arch/s390/boot/trampoline.S | 9 +++++++++ > scripts/gdb/linux/symbols.py | 26 ++++++++++++++++++++++++++ > 6 files changed, 46 insertions(+), 3 deletions(-) > create mode 100644 arch/s390/boot/trampoline.S Applied, thanks!