From patchwork Tue Oct 5 20:25:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Naveen N. 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Rao" To: Michael Ellerman , Nicholas Piggin , Jordan Niethe , Daniel Borkmann , Alexei Starovoitov , Christophe Leroy , Johan Almbladh , Song Liu Cc: , Subject: [PATCH v2 00/10] powerpc/bpf: Various fixes Date: Wed, 6 Oct 2021 01:55:19 +0530 Message-Id: X-Mailer: git-send-email 2.31.1 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: gnBSDfUAVRmtuXu3efVR6zWoOlsBDou8 X-Proofpoint-ORIG-GUID: aa3lWVTcM6oP109E-rKw0EznR52GTerj X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-05_04,2021-10-04_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 phishscore=0 adultscore=0 suspectscore=0 bulkscore=0 mlxlogscore=901 clxscore=1011 malwarescore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110050117 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This is v2 of the series posted at: http://lkml.kernel.org/r/cover.1633104510.git.naveen.n.rao@linux.vnet.ibm.com Only patches from v1 that need to go into powerpc/fixes are included. Other patches will be posted as a separate series for inclusion into powerpc/next. Patches 7 to 10 are new and fix issues in ppc32. - Naveen Naveen N. Rao (10): powerpc/lib: Add helper to check if offset is within conditional branch range powerpc/bpf: Validate branch ranges powerpc/bpf: Fix BPF_MOD when imm == 1 powerpc/bpf: Fix BPF_SUB when imm == 0x80000000 powerpc/security: Add a helper to query stf_barrier type powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation powerpc/bpf ppc32: Fix JMP32_JSET_K powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000 arch/powerpc/include/asm/code-patching.h | 1 + arch/powerpc/include/asm/security_features.h | 5 + arch/powerpc/kernel/security.c | 5 + arch/powerpc/lib/code-patching.c | 7 +- arch/powerpc/net/bpf_jit.h | 33 +++--- arch/powerpc/net/bpf_jit64.h | 8 +- arch/powerpc/net/bpf_jit_comp.c | 6 +- arch/powerpc/net/bpf_jit_comp32.c | 16 +-- arch/powerpc/net/bpf_jit_comp64.c | 100 +++++++++++++++---- 9 files changed, 139 insertions(+), 42 deletions(-) base-commit: cdcb1396e357bd198f81dc7fa4f5d819063abe44