From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 E4D1B146E83 for ; Tue, 27 Feb 2024 15:02:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046126; cv=none; b=e9vyD8owft4thU7+RDSqeo4X0LvGvVrgUEe3/Vc2TDZk3Oz9hwaUQ6Daijg+8uT2ok9ySFXbzL+UvUCoyV8nUomuYWmUdP3DfXd8MJmp25Mq17A99KMXqt/hZXeV6vrWLsHTenTUDc/lcb9XQ+ooAcCgSXcAX30AozK5ZhBePZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046126; c=relaxed/simple; bh=j5b5/zmpDLBNMysBzUhloM12e0DULjwOojYdVX2+KjY=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=IIV5jlC4ovhkUj0g74uVQ3IOEWjIciupED5Eek46ScsVHXLKO9ESSth7wS8dS4fZH0iRV3ZmAXMcJ7UTch9mDuTROfk0FX8jPaXkbyQ0PnObbIYbBSvZEidVF1j/ZvRmfYLzjlRHhUQ/ltQUxNyDH/4p4CWErpOg+iOCyUEd2+4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=RHL/1AWY; arc=none smtp.client-ip=209.85.219.202 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--edumazet.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="RHL/1AWY" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dced704f17cso6898218276.1 for ; Tue, 27 Feb 2024 07:02:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709046123; x=1709650923; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=8ciVIxwtouCFGP+dO/6eeBnZfkql8cXZDKhKP4Ieato=; b=RHL/1AWYPWfNNTJwzDjduDVD8jZXeP/RNBNz0aMWUfffMQW0IKRalq/OTH9u3xrCsT 041X5dsah9weTm21J3V9G1d6HpYXLJuAggkp9dFJUs6d6xEDPmFqYKMcua8iMyeXvnGI baBnMeeI7q444OK3aZR38SraAF/iTUO8ATuQ9uFerh0LhUo+bKghgjIoqGArbEX9rRg3 meh4SvwbuCfy2sexhm3RRXHkhEnj9+0VM10vd0tcDHtBrX/y/4s2OWZCUz4RMwKQXtja TqVVUX1aPF+feattMmp+b7577qgeWXCoAZOcA7juXS89lQawpUGj9RtzMaziK3+VDy1a HJbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709046123; x=1709650923; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=8ciVIxwtouCFGP+dO/6eeBnZfkql8cXZDKhKP4Ieato=; b=Sq7CvemwEi7pZtNzqrqsZQ70OZzRTXP7dSW1Ujtk7q6Z2Aji2NmASPAda01XuVjx4V J7seAxKyCq3yRE9Sk0iMrIsddIGnQQ3YW/te/MylDSVaFK+WOa+5mNSyJuulqo3wvq99 N1gkE1gdT0/q2GOTOYCMCTyOtlMlqFrwKrGlwmgOif1VEnlIVmNJHy1xz4/rpyNXFNDK hViyMBgMr4cUOedRTEJ4WsjOJNK08w/3W55vtiGunRjJpJ0u/bAbKTitUU1oPXUiAtdx WtG4DcTl7YyAWyAGhty9k0Xjx3JZaHLnIIEV6O8R00qL8mPjyEH2u7edQX8BkNfl9Lm/ MINw== X-Forwarded-Encrypted: i=1; AJvYcCU4GVlm4bwKmzp8mjR3NeQW4k6YDszK/zCF4OzvL5C0flGJIb3oKqV+K2R1LGINfO2mdyMREepJgbtAw2ngIiWm2kUaz9dN X-Gm-Message-State: AOJu0Ywo14+dYrbFyTNJGoQ42mU17v+xwZhjuOydfktarGypNSnaqQhK pRx3TnWDsYE3ZfOKX5r0CBUxJIcXDO5TxInu4sythx6teBB3SFHHWcT0ORunRf/XIHtCvAEvUZ7 fPDbRy0z8Bw== X-Google-Smtp-Source: AGHT+IErqUDwXoQrXXB56HFyzArjXPw5WU1O7JQshHjwx8s/R9rHQ4n75WPCtiU6Guu9erWpA4bpPCN+C1D8Lg== X-Received: from edumazet1.c.googlers.com ([fda3:e722:ac3:cc00:2b:7d90:c0a8:395a]) (user=edumazet job=sendgmr) by 2002:a05:6902:1005:b0:dc2:5273:53f9 with SMTP id w5-20020a056902100500b00dc2527353f9mr126583ybt.1.1709046122936; Tue, 27 Feb 2024 07:02:02 -0800 (PST) Date: Tue, 27 Feb 2024 15:01:45 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.44.0.rc1.240.g4c46232300-goog Message-ID: <20240227150200.2814664-1-edumazet@google.com> Subject: [PATCH v2 net-next 00/15] ipv6: lockless accesses to devconf From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: David Ahern , Jiri Pirko , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" - First patch puts in a cacheline_group the fields used in fast paths. - Annotate all data races around idev->cnf fields. - Last patch in this series removes RTNL use for RTM_GETNETCONF dumps. v2: addressed Jiri Pirko feedback - Added "ipv6: addrconf_disable_ipv6() optimizations" and "ipv6: addrconf_disable_policy() optimization" Eric Dumazet (15): ipv6: add ipv6_devconf_read_txrx cacheline_group ipv6: annotate data-races around cnf.disable_ipv6 ipv6: addrconf_disable_ipv6() optimizations ipv6: annotate data-races around cnf.mtu6 ipv6: annotate data-races around cnf.hop_limit ipv6: annotate data-races around cnf.forwarding ipv6: annotate data-races in ndisc_router_discovery() ipv6: annotate data-races around idev->cnf.ignore_routes_with_linkdown ipv6: annotate data-races in rt6_probe() ipv6: annotate data-races around devconf->proxy_ndp ipv6: annotate data-races around devconf->disable_policy ipv6: addrconf_disable_policy() optimization ipv6/addrconf: annotate data-races around devconf fields (I) ipv6/addrconf: annotate data-races around devconf fields (II) ipv6: use xa_array iterator to implement inet6_netconf_dump_devconf() .../ethernet/netronome/nfp/flower/action.c | 2 +- drivers/net/usb/cdc_mbim.c | 2 +- include/linux/ipv6.h | 13 +- include/net/addrconf.h | 2 +- include/net/ip6_route.h | 2 +- include/net/ipv6.h | 8 +- net/core/filter.c | 2 +- net/ipv6/addrconf.c | 283 +++++++++--------- net/ipv6/exthdrs.c | 16 +- net/ipv6/ioam6.c | 8 +- net/ipv6/ip6_input.c | 6 +- net/ipv6/ip6_output.c | 10 +- net/ipv6/ipv6_sockglue.c | 2 +- net/ipv6/mcast.c | 14 +- net/ipv6/ndisc.c | 69 +++-- net/ipv6/netfilter/nf_reject_ipv6.c | 4 +- net/ipv6/output_core.c | 4 +- net/ipv6/route.c | 20 +- net/ipv6/seg6_hmac.c | 8 +- net/netfilter/nf_synproxy_core.c | 2 +- 20 files changed, 246 insertions(+), 231 deletions(-) -- 2.44.0.rc1.240.g4c46232300-goog