From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79B703AFD04 for ; Sun, 19 Jul 2026 18:00:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784484045; cv=none; b=QjutgBkfoGY5FezZEr3+pbV+sigpN9tZLSc+qsYCt5XdrIHyHhrDy6yCgRrTBTf0yoMHY6FsnfLDRp02tjxUA81D17MZqXZFrj9ahrdTdLzkQtffHrmuLll4jF6haBncSfu0s18m7oc/wfAPHjoZcBmx/TBWxUKbGdiCPyfWUog= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784484045; c=relaxed/simple; bh=3ZUCrrDmOM7VZSnp6sdBGE5jCnwQNOc5dOPQ5kzHMhY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j53i8nlT2q7AzU8fC8qaNiOprou97UOcRySv87kU0bwE4JmPeidO7cUo3j6TFqznP8TmXVfsMIqJep/lJgkUcl4++kpgzPCZHL/HvYi8J+c7kofrarQfWBnaoU9NOEcaQ4tZPj/xgDjeV8bE8mM3s9pLbWU04f2MGlJLewVyCoQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ExhUftIV; arc=none smtp.client-ip=209.85.214.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ExhUftIV" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-2ceb096e675so90504815ad.0 for ; Sun, 19 Jul 2026 11:00:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784484037; x=1785088837; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to:content-type; bh=gQVLUSh0YdJH3i5yQlMay6TXyEhugldDrvm9uMupsBE=; b=ExhUftIVu07CRaWkA9btZNonG/ISkzf7n8v+5OSZpmTtSD+vyFNTnHW5vo2MxaRJ2Y 2NFSCdUYT4ZCtPWwf2RYXdU+9Jc5QVP6RyonM+yB72H9vEeeFHKExnMphZBd6YFlzDwj CbASnd+Y0hvBf6wh+bebN+yIauWXQfo/ayG2+LYL2PhyWfH37vvxQ9ecEa/A6JUhX5/u n1+V6Ecc3I67uEAIVYJfhYBkHf736a82LAX7Og+YiwQd1bKONylK9q1J+FU/tkZJ0lI2 jh0qzZ6ZPvCCPZjaWibdfFjz0Npu+Q5WrPhDnVu50XsQe6Nj4QaAwWsZGbY6PhcyCFym l0Og== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784484037; x=1785088837; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to:content-type; bh=gQVLUSh0YdJH3i5yQlMay6TXyEhugldDrvm9uMupsBE=; b=QWWF6SXaygIbGt6kSp3ot42aCwwgHReHV3SQIyJ0+aAE5D3DtsOWW+VDmBc5l9XSkI Y33OBBFlyVi94sw2U9fzy3YJK9mNiehTF+KmDX/I6ukwl9UZcUtIUNq+fQkrmI4X84ks 2soTYgvY1lN9znCp1bmzPgB8kQLkd9UiHTnCHpPGaiGxlO++sSwdbdUx4zEYblsR5vsu yJb1jf4SUJmWLz+51jFCbiTI+5jCxcCeywZZLv0te8aoUoab+Nh7O9k6Xs9UsDW6b7Je 8neqVzRZEJJnaG+xaIslY4hj/HWdYH2o9teKm11XDnG06L03np9kN2zkdzqoe5DIWjDe UwSg== X-Forwarded-Encrypted: i=1; AHgh+Rpavdo9DP5Q7FFz7aUPIabIOMqHJltAJ5KNXZYbUIZyAg3LIG+eagNh10UsblAor2NL11+x8Og=@vger.kernel.org X-Gm-Message-State: AOJu0YyslvPeOiLYdAJo/pZMcciQdisotLUKyeyb2yqgfRLH6MAvrR/9 eeH0qCfVtycq3pVoMKus9NpvrHmarDlVfsQA6u0YorqQpSmBfuf6PwCb X-Gm-Gg: AfdE7ckNe/0ikx7rRr8XR0DbfhVvKWPhua0q3886N1wwan0+fqMhCIVf1krVxSZT+Ux 0BCUIzN1UUGEyB9w/gZAWKHIxdYRmvo4COj1VfteDj0ApaqNncnf6eQKKSaFjqp6QP/b1RViOzf Wxo/5S/BXcisBUM6VMf/MW6B3Xuy33tE980znonIAFGQT1vo5pWlzyNFv0GBtWLqvYMUDwi6U2m SSJ/js9zjHAAmC/3tv04er6tklE/4jD0RR/+dF+YrSNa7uUfwKtLUNGjd6CiPfwfyC+cjXsa0Lg cX9sXeBVys3pbLipCZnc4TUN/UjbFBPOsHMVQ+kiWZnvkhCafMpt5UpcCWJPZqonMI+LtyLGjL1 hukN5Ea2A9RldUDRMd0YcxZhIB4Pa2WHsVDsm+zQkWCoTGZkQwbFuGcowkC04jj3iYw== X-Received: by 2002:a17:902:fc44:b0:2cc:b480:28ba with SMTP id d9443c01a7336-2cf34a25ab6mr120497085ad.44.1784484037543; Sun, 19 Jul 2026 11:00:37 -0700 (PDT) Received: from ap.. ([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> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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