From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9651C2BB48 for ; Thu, 17 Dec 2020 17:24:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C66223975 for ; Thu, 17 Dec 2020 17:24:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728181AbgLQRYI (ORCPT ); Thu, 17 Dec 2020 12:24:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727368AbgLQRYH (ORCPT ); Thu, 17 Dec 2020 12:24:07 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35265C0617A7 for ; Thu, 17 Dec 2020 09:23:27 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id x17so17898290ybs.12 for ; Thu, 17 Dec 2020 09:23:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=jzYMmW6juKzvxHSLq/5hwBc5kF7GCeBG4ufj8Bugw9M=; b=RWwQyODvZZM+uyf/toQAhYiCkNTOndjUkABM0xt0Z5R3lQx1W/9RPSdseEAET05Z+t BUxSjp5MrU9RLheL6xAm0b/gKYX0Cqx+FMpe2XHxWP1WRJe8S15jKt0p9sEJwp7/A1u2 cUC6ZdwVIWfnAI56H309uhh0FKzmbqTE7slv3fbvGKexw7oYkom1cIluOtkQtwSChIxr ISpvJtvplBaPnM0WiRn7zXFG2ZvbUOLUT2+fKSnBmcrnOf4tY+TqMsIj7B0yB1oA7fv/ wI3UKYRPPURrM/RdvLqOjjFuMv6LSZRY1btIEqfey1pxJWpPZ5ig6aJUa0FCMP64bylH TdPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=jzYMmW6juKzvxHSLq/5hwBc5kF7GCeBG4ufj8Bugw9M=; b=og9JaRpt/zkZ0x1eK9/tvQFHLdd939hUxWyNRn/QSzWqxBQ0ei3LKekKEtPgYHEm+9 uMron7LM4vkXQGWvVYY9EByiK5/sgmt+j+188ghMwmuVxaEm79lkXK1jkcDHcasRiB4e rJYlVTop2ydfQ3dfFQxu/oQhf0Eur2xTILKdkKdjoK6QBvKckPkM4crGZliBT38Y3BL+ ZM3PZRsSUHaY+/rUnI0MOnAn3X2oIyQ08NaKY4ccDCDq7CqSItaGl0TvZRoD5ACP4Bqw CkUPzoeu49Q06m4K9os7YIUV4K+8roSiO2B2cQINKISc3f8c+a68J4P4980Oi8eq71tW xwSQ== X-Gm-Message-State: AOAM533EwXyrPgxuW8NuZI1/7KUKv18KwXu+2ONXxDRPjhvCcpfH2BWz gC9wXplhxH4mt5yx6SB6HytaLrFpxE4UzKsLeAzUfMkKDJdmtMF0nV782AL1Y7FNfO3Mirsq/Y3 db1+jC1UgXXbUEHZIIxg4kRFMMUffEMfoQZj5YJQHomeRvCj3GPHOhQ== X-Google-Smtp-Source: ABdhPJzAiTxJQ0EyXMtBNXBGGGzrVyDi8x2AnhE4f33zXzrHus2TvD8QLRz2VxYZ9rJlc8p8JdM4V0w= Sender: "sdf via sendgmr" X-Received: from sdf2.svl.corp.google.com ([2620:15c:2c4:1:7220:84ff:fe09:7732]) (user=sdf job=sendgmr) by 2002:a5b:4d2:: with SMTP id u18mr230847ybp.71.1608225806251; Thu, 17 Dec 2020 09:23:26 -0800 (PST) Date: Thu, 17 Dec 2020 09:23:22 -0800 Message-Id: <20201217172324.2121488-1-sdf@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.29.2.729.g45daf8777d-goog Subject: [PATCH bpf-next 0/2] bpf: misc performance improvements for cgroup hooks From: Stanislav Fomichev To: netdev@vger.kernel.org, bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, Stanislav Fomichev Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org First patch tries to remove kzalloc/kfree from getsockopt for the common cases. Second patch switches cgroup_bpf_enabled to be per-attach to to add only overhead for the cgroup attach types used on the system. No visible user-side changes. Stanislav Fomichev (2): bpf: try to avoid kzalloc in cgroup/{s,g}etsockopt bpf: split cgroup_bpf_enabled per attach type include/linux/bpf-cgroup.h | 36 +++++++++++++------------ include/linux/filter.h | 3 +++ kernel/bpf/cgroup.c | 55 +++++++++++++++++++++++++++++++------- net/ipv4/af_inet.c | 9 ++++--- net/ipv4/udp.c | 7 +++-- net/ipv6/af_inet6.c | 9 ++++--- net/ipv6/udp.c | 7 +++-- 7 files changed, 83 insertions(+), 43 deletions(-) -- 2.29.2.729.g45daf8777d-goog