Cover Letter Detail
Show a cover letter.
GET /api/1.0/covers/2196700/?format=api
{ "id": 2196700, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2196700/?format=api", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.0/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/" }, "msgid": "<20260216065639.1750181-1-hbathini@linux.ibm.com>", "date": "2026-02-16T06:56:34", "name": "[0/5] powerpc64/bpf: various fixes", "submitter": { "id": 74073, "url": "http://patchwork.ozlabs.org/api/1.0/people/74073/?format=api", "name": "Hari Bathini", "email": "hbathini@linux.ibm.com" }, "series": [ { "id": 492248, "url": "http://patchwork.ozlabs.org/api/1.0/series/492248/?format=api", "date": "2026-02-16T06:56:34", "name": "powerpc64/bpf: various fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492248/mbox/" } ], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-16868-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=f27KTx8s;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-16868-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=148.163.156.1", "lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.ibm.com", "lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=f27KTx8s;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com\n (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com;\n envelope-from=hbathini@linux.ibm.com; receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org\n [IPv6:2404:9400:21b9:f100::1])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1 raw public key)\n server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fDtqp2Gb6z1xpl\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 16 Feb 2026 17:57:10 +1100 (AEDT)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fDtqg6BRpz2yqs;\n\tMon, 16 Feb 2026 17:57:03 +1100 (AEDT)", "from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com\n [148.163.156.1])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fDtqf2yMVz2xN4\n\tfor <linuxppc-dev@lists.ozlabs.org>; Mon, 16 Feb 2026 17:57:01 +1100 (AEDT)", "from pps.filterd (m0356517.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id\n 61FKD3q43368131;\n\tMon, 16 Feb 2026 06:56:46 GMT", "from ppma12.dal12v.mail.ibm.com\n (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220])\n\tby mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4caj6uef42-1\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT);\n\tMon, 16 Feb 2026 06:56:46 +0000 (GMT)", "from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1])\n\tby ppma12.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id\n 61G6IR3v012624;\n\tMon, 16 Feb 2026 06:56:45 GMT", "from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225])\n\tby ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4cb3crvg41-1\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT);\n\tMon, 16 Feb 2026 06:56:45 +0000", "from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com\n [10.20.54.103])\n\tby smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id\n 61G6ufrs44892456\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK);\n\tMon, 16 Feb 2026 06:56:41 GMT", "from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id D0B7C2004B;\n\tMon, 16 Feb 2026 06:56:41 +0000 (GMT)", "from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 4D62C2004D;\n\tMon, 16 Feb 2026 06:56:40 +0000 (GMT)", "from li-bd3f974c-2712-11b2-a85c-df1cec4d728e.in.ibm.com (unknown\n [9.78.106.17])\n\tby smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP;\n\tMon, 16 Feb 2026 06:56:40 +0000 (GMT)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1771225023;\n\tcv=none;\n b=Cf+tUq20haakuKtON3trOWJTdcXXF7ep0QhLioypy0HUJIjokaNLc95Ww/PxC7LCYbEbfOu57+cnMt4Httxpvr/tOo66ql0AoUbCUdD2UPt9EIktAPnIcdNGBnZxGKIfxAt6YE+WZwFrYgNhdYWObH573EnSU+cNLiByS7c7/G/ACGm1uF6XPs3YI2DON9eIqQw58PGUl8tSbzwOyjhgMWW5FlLwL4OIdHWwbPd88MbjK5BykjhLW3WgBT1VXXXydr1Vs/ayr7hIpqTwo+bhgKXdW7EuTSuEhvBj55O6cElz8BJN1bgLboKhoNnz+xo1YEnLvoUgLwlv3aMNK9heeQ==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1771225023; c=relaxed/relaxed;\n\tbh=SfHWKWB1JzriRGsl3w+kqCVO0uJak/1RnASCWfq7VCE=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=DGCBxQrnAxsSyIiEmWdY7XhDvKvUH4nPQWYUNk8Xp2LA8Fard+1pSb3KYSR7n4et/ajbOoPxXxvQDvJzxfiXUf132QagPoIjwPDkt/7HZauu2/tqObOezenSVBBU3nwZgGoxnpoyGIZdMVDmS9zLyqD4TxE0CdpJdZxM7dZU2qrb0X7FlHP1iHSLl+p+8DnHkbpLM7YIfVuxknLbcMXHwsnY3+9lRp0Y1Aeo+wmwKP35HsrCc8vkd5mS5Y7bPX3ATnovrcvLgRR/SVZTOSCXHwzKt7zuehyZTg3yc+iVKiQIOi6oJZTCOuq+jZ133I7zJi0wvWVaKYFni3IxrOGfLQ==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.ibm.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=f27KTx8s; dkim-atps=neutral;\n spf=pass (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com;\n envelope-from=hbathini@linux.ibm.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=linux.ibm.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:message-id:mime-version\n\t:subject:to; s=pp1; bh=SfHWKWB1JzriRGsl3w+kqCVO0uJak/1RnASCWfq7V\n\tCE=; b=f27KTx8sXPoHLdcrsRoWY57dSyOoFqxuFKeh9wfsfUDVLmLkdCnk0usEw\n\tjd+JC2CsrKyylOFE+mNgSvpLRBXHA1lgaM1+6mhjRp2Q4yLaieUQaTwIkxgHzkU5\n\thlREh1aONq2jbV2di4oiCIJSGoWEaqcjhn0gNikLlqHQIWvRKog98cdK5Ox52Uov\n\tUX6z9S4YD9Q9iy4/VviNu3Ou3Rn/8xdVs2Gl1eKrpoKZTKj3nVnmkMp5btfL49fL\n\t+2tQo5lt9f//7zIXsjD8NeY0bmnXbH739u+UjMmMvqVCCqpKZTkoZXJk2I/p6Nek\n\tHEOHFInNd8i+IhEAs5HH5O5NRA0Ig==", "From": "Hari Bathini <hbathini@linux.ibm.com>", "To": "linuxppc-dev <linuxppc-dev@lists.ozlabs.org>", "Cc": "bpf@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,\n Daniel Borkmann <daniel@iogearbox.net>,\n Andrii Nakryiko <andrii@kernel.org>,\n Saket Kumar Bhaskar <skb99@linux.ibm.com>,\n Abhishek Dubey <adubey@linux.ibm.com>", "Subject": "[PATCH 0/5] powerpc64/bpf: various fixes", "Date": "Mon, 16 Feb 2026 12:26:34 +0530", "Message-ID": "<20260216065639.1750181-1-hbathini@linux.ibm.com>", "X-Mailer": "git-send-email 2.53.0", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Authority-Analysis": "v=2.4 cv=E+/AZKdl c=1 sm=1 tr=0 ts=6992bfae cx=c_pps\n a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17\n a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22\n a=GgsMoib0sEa3-_RKJdDe:22 a=VwQbUJbxAAAA:8 a=oGHz_WyVdRSB3F18xrQA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjE2MDA1NCBTYWx0ZWRfX2gZYZ9yyZB2P\n qO1amFd8pYaHP7824vNHBJXErtsbAPvJnm8zzsUXBMGd5D2KCzcREsX3JjSqZ8QhosQVNh4vf8C\n xp8RmvqVJvNXHzzUYHeWjIyBtrcbTqzLWyG1rY9BFvXBE5y1wWhfgSoDI5KeZvhAHRdYCvhSeyl\n vjSsjh1if650/yagb8O0EmY8qjQDOdMx4zBRgClaWwk3O6hUpjymUbGL5EJfrILzmosMXhDOeq0\n XuzjbthYdOkI/x8QdO77IspfOvHcMD5U6kY3BxvR1vKRyIokYq6/QSHyhC5dDTWxpcB1TxID1Wr\n RssRagOmUZAgJC7zPQnqI6mF/uKY1FNzrYH+LXRcoYmeRKiDHAUpGdvL4VMeDscMG5rROdpErpV\n 3nr5fQeiiiEECDD8GAzXitfJ77svTRZwWooFzCh+WPMDHG1VX6irMW4eF5fnDEiVZMIonFaTwbD\n 8mbKgLxz1wbSJsPeIdQ==", "X-Proofpoint-ORIG-GUID": "P4lboRg9RZ-XA9UPo2hBW0V0hKQriCKa", "X-Proofpoint-GUID": "P4lboRg9RZ-XA9UPo2hBW0V0hKQriCKa", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-02-16_03,2026-02-13_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n lowpriorityscore=0 priorityscore=1501 malwarescore=0 phishscore=0 bulkscore=0\n suspectscore=0 spamscore=0 clxscore=1015 impostorscore=0 adultscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602160054", "X-Spam-Status": "No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "List of fixes for powerpc64 BPF JIT:\n- Patches 1 & 2 fix issues with existing powerpc64 JIT and are tagged\n for -stable.\n- Patches 3 & 4 resolve issues with bpf2bpf tailcall support added\n recently.\n- Patch 5 resolves an issue reported by bot+bpf-ci@kernel.org while\n adding exceptions support on powerpc64 BPF JIT.\n\n\nHari Bathini (5):\n powerpc64/bpf: do not increment tailcall count when prog is NULL\n powerpc64/bpf: fix the address returned by bpf_get_func_ip\n powerpc64/bpf: use consistent tailcall offset in trampoline\n powerpc64/bpf: remove BPF redzone protection in trampoline stack\n powerpc64/bpf: fix handling of BPF stack in exception callback\n\n arch/powerpc/net/bpf_jit.h | 5 --\n arch/powerpc/net/bpf_jit_comp.c | 113 ++++++++++++------------------\n arch/powerpc/net/bpf_jit_comp64.c | 74 ++++++++++++-------\n 3 files changed, 93 insertions(+), 99 deletions(-)" }