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[2a02:3100:b358:dd01:fd08:f0c:fef7:8409]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-49c60da0a03sm8078945f8f.53.2026.11.14.01.29.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Nov 2026 01:29:30 -0800 (PST) Date: Sat, 14 Nov 2026 10:29:29 +0100 From: Karl Mehltretter To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Alexandre Ghiti , Mike Rapoport , Luis Chamberlain , =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= , linux-riscv@lists.infradead.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] riscv: mm: Pre-allocate module page tables for execmem Message-ID: References: <20261016102847.96530-1-kmehltretter@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261016102847.96530-1-kmehltretter@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261114_012934_269143_37BB3234 X-CRM114-Status: GOOD ( 10.39 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-riscv" X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Oct 16, 2026 at 12:28:47PM +0100, Karl Mehltretter wrote: > Unable to handle kernel paging request ... > [ffffffff78000000] pgd=3D0000000000000000 > ... > bpf_jit_fill_hole_with_zero > bpf_prog_pack_alloc > = > Use CONFIG_EXECMEM for the module-range pre-allocation, as powerpc does > for its execmem page-table setup. Both CONFIG_MODULES and CONFIG_BPF_JIT > select it. > = > Fixes: 2c9e5d4a0082 ("bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MOD= ULES of") > Cc: stable@vger.kernel.org > Assisted-by: LLM > Signed-off-by: Karl Mehltretter > Acked-by: Mike Rapoport (Microsoft) > Acked-by: Bj=F6rn T=F6pel > --- > Changes in v2: > - State that the BPF JIT region lies inside the module region (Mike). > - Add Acked-by tags from Mike Rapoport and Bj=F6rn T=F6pel. > - No code changes from v1. > = A friendly ping on v2 of this RV64 execmem page-table fix. Is anything else needed from my side? Thanks, Karl _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv