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Fri, 20 Feb 2026 06:39:40 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 61K6dbEi58720516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Feb 2026 06:39:37 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 102F320040; Fri, 20 Feb 2026 06:39:37 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DF80F20043; Fri, 20 Feb 2026 06:39:34 +0000 (GMT) Received: from li-bd3f974c-2712-11b2-a85c-df1cec4d728e.ibm.com.com (unknown [9.43.64.63]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 20 Feb 2026 06:39:34 +0000 (GMT) From: Hari Bathini To: linuxppc-dev Cc: bpf@vger.kernel.org, Madhavan Srinivasan , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Saket Kumar Bhaskar , Abhishek Dubey , Venkat Rao Bagalkote Subject: [PATCH v2 0/5] powerpc64/bpf: various fixes Date: Fri, 20 Feb 2026 12:09:28 +0530 Message-ID: <20260220063933.196141-1-hbathini@linux.ibm.com> X-Mailer: git-send-email 2.53.0 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: YpvBFMoqO0EH8mHwcZsgfW9HCDNU-Jnr X-Authority-Analysis: v=2.4 cv=Md9hep/f c=1 sm=1 tr=0 ts=699801ad cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VwQbUJbxAAAA:8 a=6UyuRm9t2VcF-Ioa368A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIwMDA1MiBTYWx0ZWRfX/XfwhNLPk7Sm oPTOmVEFARAT/3eLG8INHRxw7cdMG6nGDnW8pg/3nWERWrLPtXRJI5InW1ymk3wiczo3gNer/V4 skwUXf4+XgHODElCg5m8x0/5uvGBRA2ZVz+1lYOqiW1DO15FR9Mft1dTGPG2qDMNjuoU1vDevY/ AbyYwu7jcXAsm26rFljZk1zxNFAuFnKEI2K40/NmB0VI8PVJ/g27urdRnVIM1fYN4rQ+SxSULud cjTDAGNKspChkiRXaxOGRbhsFZFbyoaAmAdyNe68bqOFSZ47+8D9ciGjhn8aHU+co8jgdLC07q8 KCz2LwGaGwFHaodfMfAWZrEchLhIOnG5GccyV0IzqAVLsO16Aab6bgeKQtTjmITVWhFD7w8lvhf VZvAEgnGbfv0noA9AHENTNRjSk1xNauACJfiR0ag65eEIUCEnDHCR7wnzDjFUKPKHPLrhbYSXro furllbhDZb50wgb3CqA== X-Proofpoint-GUID: YpvBFMoqO0EH8mHwcZsgfW9HCDNU-Jnr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-19_06,2026-02-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602200052 List of fixes for powerpc64 BPF JIT: - Patches 1 & 2 fix issues with existing powerpc64 JIT and are tagged for -stable. - Patches 3 & 4 resolve issues with bpf2bpf tailcall support added recently. - Patch 5 resolves an issue reported by bot+bpf-ci@kernel.org while adding exceptions support on powerpc64 BPF JIT. Changes since v1: - Addressed couple of review comments from bot+bpf-ci@kernel.org in patch 3 & 5. Hari Bathini (5): powerpc64/bpf: do not increment tailcall count when prog is NULL powerpc64/bpf: fix the address returned by bpf_get_func_ip powerpc64/bpf: use consistent tailcall offset in trampoline powerpc64/bpf: remove BPF redzone protection in trampoline stack powerpc64/bpf: fix handling of BPF stack in exception callback arch/powerpc/net/bpf_jit.h | 5 -- arch/powerpc/net/bpf_jit_comp.c | 118 +++++++++++++----------------- arch/powerpc/net/bpf_jit_comp64.c | 74 ++++++++++++------- 3 files changed, 96 insertions(+), 101 deletions(-) -- 2.53.0