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Mon, 6 Jul 2026 15:19:10 +0000 (GMT) From: Jens Remus To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jens Remus , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Sven Schnelle , Ilya Leoshkevich Subject: [PATCH 0/2] s390/vdso: Fix GNU_EH_FRAME PHDR Date: Mon, 6 Jul 2026 17:19:07 +0200 Message-ID: <20260706151909.103539-1-jremus@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDE1NiBTYWx0ZWRfXy2EBRDchhfDY GxyFl6opurzYzSgl9DghdDs19o2Ul99QCg/d3xeG2UjnO20yXBMaZ/AYxUqmIJ4XRmLt5fd5R7y Op5EOoP3POqdSf98KpVZviwo8EaiM48= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDE1NiBTYWx0ZWRfX1Bw2jcDUw7yU 47Hsg/DKvZxvSfehhDsWy3GCly0/f9JkBD/dC9HtRpgVx70wAdEuzP8BloDamyR2aVmFYUeropa P4zK4T29gK5HAOZqfYtZcTKJEbm91/VuKYW7qcp/tSEGhT/1sQFz2OhLDODXfOLWVLyQLzHvmhK y93i02l84cgOYa014f2QFq0I9xQLXIBc7KKz5fS0kVPDo3QWeF5bf6GXe3WL3Dq8NjKS1ViyJUO QM2U1/Z6yupqwp8811Aqnvp37HhmzLuakQJkFnPULWqRNpVgvjBb1vwzgDywRmFwOjWapnCEuiG GrfYI4rGTo4U9NmaD7RcZMzkgsKDs9viTQQ5Lu0GPz+Tc3+0b0ADmsLSloFH87ksKVmKotubMSl x+5jtZgVDgXVraS7/Bxbvm5fhk1DWHBtTRzAs4JW7xmcChjpp47K0tNQp5jY//5LrascQUc/kLa CWkE34EWUysOR5YYOIA== X-Proofpoint-GUID: T0CHmP5E8nmUze8j1jj6kGcGO_BCPu8v X-Authority-Analysis: v=2.4 cv=Oot/DS/t c=1 sm=1 tr=0 ts=6a4bc774 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=eGuSQdGhVvtJuAFz5r0A:9 X-Proofpoint-ORIG-GUID: T0CHmP5E8nmUze8j1jj6kGcGO_BCPu8v X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_02,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 phishscore=0 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060156 Patch 1 fixes the empty GNU_EH_FRAME program table header entry to enable unwinders and stacktracers to locate the .eh_frame_hdr section. Patch 2 uses symbolic constants for the PHDR permission flags to improve readability and explicitly specifies the GNU_EH_FRAME PHDR to be read- only. Regards, Jens Jens Remus (2): s390/vdso: Pass --eh-frame-hdr to the linker s390/vdso: Use symbolic constants for the PHDR permission flags arch/s390/kernel/vdso/Makefile | 3 ++- arch/s390/kernel/vdso/vdso.lds.S | 12 ++++++++---- 2 files changed, 10 insertions(+), 5 deletions(-) base-commit: 8cdeaa50eae8dad34885515f62559ee83e7e8dda -- 2.53.0