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([182.213.254.91]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cf34769bd6sm43511065ad.74.2026.07.19.11.00.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Jul 2026 11:00:36 -0700 (PDT) From: Taehee Yoo To: Alex Deucher , Alexei Starovoitov , amd-gfx@lists.freedesktop.org, Andrew Lunn , Andrii Nakryiko , Bill Wendling , bpf@vger.kernel.org, =?UTF-8?q?Christian=20K=C3=B6nig?= , Daniel Borkmann , David Airlie , "David S. Miller" , Donald Hunter , dri-devel@lists.freedesktop.org, Eduard Zingerman , Emil Tsalapatis , Eric Dumazet , Felix Kuehling , Hoyeon Lee , Ilias Apalodimas , Jakub Kicinski , Jesper Dangaard Brouer , Jiri Olsa , John Fastabend , Justin Stitt , Kees Cook , Kumar Kartikeya Dwivedi , Leon Romanovsky , linaro-mm-sig@lists.linaro.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, linux-rdma@vger.kernel.org, llvm@lists.linux.dev, Mark Bloch , Martin KaFai Lau , Michael Chan , Nathan Chancellor , netdev@vger.kernel.org, Nick Desaulniers , Paolo Abeni , Pavan Chebbi , Saeed Mahameed , Shuah Khan , Simona Vetter , Simon Horman , Song Liu , Stanislav Fomichev , Sumit Semwal , Taehee Yoo , Tariq Toukan , Yonghong Song Subject: [RFC PATCH net-next 05/13] bpf: offload: allow PERCPU_ARRAY maps for offloaded programs Date: Sun, 19 Jul 2026 17:58:49 +0000 Message-ID: <20260719175857.4071636-6-ap420073@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260719175857.4071636-1-ap420073@gmail.com> References: <20260719175857.4071636-1-ap420073@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The knod BPF offload keeps hot per-CPU statistics in a PERCPU_ARRAY map that is mirrored into accelerator memory and aggregated back on the host. Permit this map type on the offload path. Signed-off-by: Taehee Yoo (cherry picked from commit c447c9012940d48c1ec20a8ebac8d779e7d5a6fa) --- kernel/bpf/offload.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/bpf/offload.c b/kernel/bpf/offload.c index 0d6f5569588c..36e747a12cbe 100644 --- a/kernel/bpf/offload.c +++ b/kernel/bpf/offload.c @@ -510,7 +510,8 @@ struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr) if (!capable(CAP_SYS_ADMIN)) return ERR_PTR(-EPERM); if (attr->map_type != BPF_MAP_TYPE_ARRAY && - attr->map_type != BPF_MAP_TYPE_HASH) + attr->map_type != BPF_MAP_TYPE_HASH && + attr->map_type != BPF_MAP_TYPE_PERCPU_ARRAY) return ERR_PTR(-EINVAL); offmap = bpf_map_area_alloc(sizeof(*offmap), NUMA_NO_NODE); -- 2.43.0