From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 3341C1C5CDB for ; Wed, 11 Dec 2024 21:20:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733952036; cv=none; b=ahFaezWbEEPgrekixw1CsKiJKwpKgBhXU1tIBl5eU5renNQmYNXFHfvH+/JhQeA9yVg0M7wsFyvbnxqs+ugtLVD5DBBGGeJGOhUraG3bf6ohCB0tO3usLN9EFpJAcTuPZPh2MEe6ToEkKlSGn9KM7dWZBql93ek8Cf+4mSZA5tI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733952036; c=relaxed/simple; bh=6T9WrpL4sqWT331e0Yh7xF8mqS2u1I1S/1pC0eC7IDs=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=kqndJgGuA9xIxo2srwC1xbppeXpV+DlyEjKoiTLm68SC68RlfLr0P1tIItU4IfOj/p5hOWY5up1j11Fri+HkRdVD/upNFbuD3i8IVl5ab0GvEJTKyyEdFn42YRycYoxls+lW8F5vDsqga7PlTSBNJFnNpeT1fV81+UlCFXJzUOk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--almasrymina.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=pjLc36TE; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--almasrymina.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="pjLc36TE" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2163a2a1ec2so61077785ad.1 for ; Wed, 11 Dec 2024 13:20:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1733952034; x=1734556834; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=a0zEciK8O4GHG3RCZ1UR9AOhZgRfwuZKEj0A7rDFXoI=; b=pjLc36TEPLga+guztOmngHcrYVhpy6fekS/9ftqU5sXIJqIwuCqgD3UWkS6+dAIVUV IT0af5paGr0ygA77+2L8QlQ62xaO80HqURPKwxMSLKjqQQJXNEamHXPJxPFeGAAugXyh X90enqzNSevMTxgbbTZhWn432F2/q1PPepXTvnjxmgYbAHxEBPOSyc88MxZqJlFzRFfB bIqMIq9ttlZ09rNPKXibrXAgFgEqHj3+Cz4xGIEcwC24RQJunEtwUZZb3MPGh2HU6q8d SV6jKMyCQiUZMrttHKKgxm6Al4lgYNiITkaxvPIex20UvUi0CvC08Pdku0oNuAmny1BU QV6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733952034; x=1734556834; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=a0zEciK8O4GHG3RCZ1UR9AOhZgRfwuZKEj0A7rDFXoI=; b=ZsYHMS+T964kcBmOYciwxwyXhwSPqFfubwyp2bqaGplOIgszcu/AZRorTs6OMiNvIb CyfJbc0H5RsOtvrEJIHA5OBVmJ3B8xoH9TEqinYY68rBp06OehofSyJh+wJCmWRWBFbp OmcltvUxArOCB+rkXtozaSwUFNptMtY8FxQgZGDW0fPA4yd19AFw4J/NQl9ozWK99APf naNQy4cNy/TcEzY6FdSb41q2jP2BmRaFtR9PCEb4RNVBekPhZODRJWz81m9v6FN8I45K G0fKuHbG4PZ3tGmX4PqXEDtGMIRKlSkKbH8akCraGFOXA1BTtXODIl/b3QIIZa7i/e6K dZ7w== X-Forwarded-Encrypted: i=1; AJvYcCW1D1pqlV01Eud8DGeoUtP7MSpog0wVr9JJWgNxrzRe2zbAqnUqSYAe0s/n9GUQetwsV9lmllLx0lyeOrI=@vger.kernel.org X-Gm-Message-State: AOJu0YztfOGqvvxgO9bmfRvnW+Ie401Gid8X0VI9r/fpkMc9ZVYhqoid nvHaRHyUck+/N+ENN+8qYQJkQ7wg+FfR/O3e4mKmMCxeYL8D5bt02YUCdpxr9SBZ3oaJ3i/tuqC bopFvyIh39vKns3ANz7d6Kg== X-Google-Smtp-Source: AGHT+IEhZ4/EYttELWP5/7DRwp/CXzwOZCI+gW47lGqaelEIwVvcTRJAGh8rjR/entYUOVYt+EKxjcrjy2FJmMYXaQ== X-Received: from plbme11.prod.google.com ([2002:a17:902:fc4b:b0:216:1543:196d]) (user=almasrymina job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:db05:b0:215:f1c2:fcc4 with SMTP id d9443c01a7336-2178aeefc4fmr18775445ad.41.1733952034481; Wed, 11 Dec 2024 13:20:34 -0800 (PST) Date: Wed, 11 Dec 2024 21:20:27 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog Message-ID: <20241211212033.1684197-1-almasrymina@google.com> Subject: [PATCH net-next v4 0/5] devmem TCP fixes From: Mina Almasry To: netdev@vger.kernel.org, Jakub Kicinski , Mina Almasry , Pavel Begunkov , Willem de Bruijn , Kaiyuan Zhang , Samiullah Khawaja , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jonathan Corbet , Jesper Dangaard Brouer , Ilias Apalodimas Content-Type: text/plain; charset="UTF-8" Couple unrelated devmem TCP fixes bundled in a series for some convenience. - fix naming and provide page_pool_alloc_netmem for fragged netmem. - fix issues with dma-buf dma addresses being potentially passed to dma_sync_for_* helpers. --- v3: - Add documentation patch for memory providers. (Jakub) - Drop netmem_prefetch helper (Jakub) v2: - Fork off the syzbot fixes to net tree, resubmit the rest here. Mina Almasry (4): net: page_pool: rename page_pool_alloc_netmem to *_netmems net: page_pool: create page_pool_alloc_netmem page_pool: disable sync for cpu for dmabuf memory provider net: Document netmem driver support Samiullah Khawaja (1): page_pool: Set `dma_sync` to false for devmem memory provider Documentation/networking/index.rst | 1 + Documentation/networking/netmem.rst | 62 +++++++++++++++++++++++++++++ include/net/page_pool/helpers.h | 60 +++++++++++++++++++++------- include/net/page_pool/types.h | 5 ++- net/core/devmem.c | 10 ++--- net/core/page_pool.c | 12 ++++-- 6 files changed, 125 insertions(+), 25 deletions(-) create mode 100644 Documentation/networking/netmem.rst -- 2.47.0.338.g60cca15819-goog