From patchwork Wed May 6 20:52:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1284757 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=Qc2qN9c8; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49HTMB5MdMz9sSW for ; Thu, 7 May 2020 06:53:10 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729122AbgEFUxC (ORCPT ); Wed, 6 May 2020 16:53:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728172AbgEFUxB (ORCPT ); Wed, 6 May 2020 16:53:01 -0400 Received: from mail-qk1-x74a.google.com (mail-qk1-x74a.google.com [IPv6:2607:f8b0:4864:20::74a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B013C061A10 for ; Wed, 6 May 2020 13:53:01 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id h186so3146332qkc.22 for ; Wed, 06 May 2020 13:53:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=CQcbxKSUYsAHBe7Ebehk8JAKNTVPAr/UiGZDOPwaAGc=; b=Qc2qN9c83pfJHD8uho1tepgh5pW6tBfZF37n4CM3MD32Y0xOob1XZT1Xv+y3pZ+qx7 dBB3TftZel2t+tBVFBd8Gmpd8I5YkwQYtydO5Ubo9P4sTrTHbdqfX4CpaxnQmWfWWvgM GB0IZxjFVxH21WEMvJry1tpuESxde2u8nQYSHCdadbK+JU0TiFO0kVdGrVkPTvGBJVbo hK0NlJTJiZMfi1lUhirdBpVEgN4skITYyCBi0AVgxXzHXTLJ47/oWq3xpYZd9ylfxUj9 u5EyHrWqrjBvrtX8v6pNmKv7i9YRjxMyZS2xaYfpjkuEcvzXdsdCBIu7GTDszAEDs3cX ApSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=CQcbxKSUYsAHBe7Ebehk8JAKNTVPAr/UiGZDOPwaAGc=; b=tyP7HSz90VB/BzGZgVelBTyQ5STbb3z8bogmU9s2cq3EYJRE0VIgbfF6r9XlnJ8ZQr F2vByrVmQptYI9qCSGWE0I1zjDDHK5V3/sqAfMZMkk0EBhfTjK2Gq3TTOcbTiTKqingN GoPPau4OHGZB4a1c0dsDIht9hPy1HK3kIHqjRZM8WB+N35plTGf+I7ibJnlyUlE/Pm19 chf3TM5nd5mmWsbn9d3xsFaPPW8o2aW5/Fcx/rF1EiF9uW6YmEz6J4ZK2Kj3ZeEMo2mf kdJOjq/T5arQ2XAbU4uU/oEq5UpMS3RrwkVYxrOFhb6OWqzHntdkIZ+ZpmM2HbG+FGsS n2gg== X-Gm-Message-State: AGi0PuaYR4t0/hNBSc3ULmTBUmVdx7fKDp+OhYfF/27XFN1YnNRVarWi j9V34XPd7P12BN/yzxkXzhOflzgBhZAd X-Google-Smtp-Source: APiQypIdNrd+yYhBZP4TBZUTUJU1co/gZ+3o6Cxir236qhPBm0psRF02DA8GRECv92XUv8iiH2WZiB7LkvTh X-Received: by 2002:a0c:fc42:: with SMTP id w2mr9758882qvp.77.1588798380452; Wed, 06 May 2020 13:53:00 -0700 (PDT) Date: Wed, 6 May 2020 13:52:55 -0700 Message-Id: <20200506205257.8964-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.26.2.526.g744177e7f7-goog Subject: [PATCH 0/2] lib/bpf hashmap portability and fix From: Ian Rogers To: Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ian Rogers Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org I'm experimenting with hashmap in perf for perf events within a metric expression. In doing this I encountered some issues with lib/bpf hashmap. Ignoring the perf change, I think these fixes are likely still worthwhile. Thanks! Ian Rogers (2): lib/bpf hashmap: increase portability lib/bpf hashmap: fixes to hashmap__clear tools/lib/bpf/hashmap.c | 6 ++++++ tools/lib/bpf/hashmap.h | 3 +-- 2 files changed, 7 insertions(+), 2 deletions(-)