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=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 84F8EC432BE for ; Mon, 30 Aug 2021 08:02:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 53DEE60FF2 for ; Mon, 30 Aug 2021 08:02:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234161AbhH3IDq (ORCPT ); Mon, 30 Aug 2021 04:03:46 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:47270 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234059AbhH3IDp (ORCPT ); Mon, 30 Aug 2021 04:03:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1630310572; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=rXrubIEC2DMSUpM/+V8SVHvpGY5IIt96CE00R1zKyYM=; b=U2gTqR0dHaS0kupjRZAICwc0KerwjRAnimtkWoCAANRBpsH6N3MhGChnC6lt5CeqMl4n5Y 4Kqi3oRBnlBkDxHKohN45p/rskAV8rzDx6js344pmgSdjC5UlYHTEuWKKMMr+Z2xavYOug BsZf6qyNbiql4O/kwjByOcR6up7rNyY= Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-49-07vFYQNvMTqOeLLYcfpadg-1; Mon, 30 Aug 2021 04:02:49 -0400 X-MC-Unique: 07vFYQNvMTqOeLLYcfpadg-1 Received: by mail-ed1-f69.google.com with SMTP id o11-20020a056402038b00b003c9e6fd522bso2487614edv.19 for ; Mon, 30 Aug 2021 01:02:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=rXrubIEC2DMSUpM/+V8SVHvpGY5IIt96CE00R1zKyYM=; b=hlBskPxHmognSmQdO3CmAmLgu42ctiqyDkqxQ0zF6ipQetJUsa+/JrafY7e+VcWa2O Qufr88abN1rAaEetyTEGFQMtuI605AfRPP09QcfZr8S3Z1pGKeJRvO3JL+M1uEpyNcz0 XksDK7AKtUBGA7TB+79Tm+hX0/AsnBytvGWON5caQtGnrG2AxuxASQihDyonXjK8jLrl WINqIPZVpUoHHXndtou/+xgzA+xdAU3bhYSRQwYTUpF7MGZb4BcHvpMSsyieW+igcft/ 0TOTC6qACUyO3Y+0rnv2cGByybo6AtEgx15mfmQF1XzV2AP1ielvrlXwKncnM7qNq6K1 oY+w== X-Gm-Message-State: AOAM530amKebPlQEi13sNRdTtBvHCAD3b0mNt34k3qjQSWVxGL1gB30+ EBi7Rjq6vJTp4fjvU4R5cOZbznR0TgJyAAwtrLHyLN7Z3P1jODosmQpXY2te7UmzgKaaxxNxbUM SM8wmmH5JXkCP X-Received: by 2002:aa7:d601:: with SMTP id c1mr16316428edr.143.1630310568104; Mon, 30 Aug 2021 01:02:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzXcJW8oDEN0ZkObgpaUFwYy7NjLN/KkIEO0WkUwvPs1b+YMrZrZnVlhkNQV+KbC4oB0CA4+g== X-Received: by 2002:aa7:d601:: with SMTP id c1mr16316412edr.143.1630310567996; Mon, 30 Aug 2021 01:02:47 -0700 (PDT) Received: from krava ([83.240.63.86]) by smtp.gmail.com with ESMTPSA id r28sm7351905eda.84.2021.08.30.01.02.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Aug 2021 01:02:47 -0700 (PDT) Date: Mon, 30 Aug 2021 10:02:45 +0200 From: Jiri Olsa To: Alexei Starovoitov Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , "Steven Rostedt (VMware)" , netdev@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Daniel Xu , Viktor Malik Subject: Re: [PATCH bpf-next v4 00/27] x86/ftrace/bpf: Add batch support for direct/tracing attach Message-ID: References: <20210826193922.66204-1-jolsa@kernel.org> <20210829170425.hd7zx2y774ykaedt@ast-mbp.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210829170425.hd7zx2y774ykaedt@ast-mbp.dhcp.thefacebook.com> Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Sun, Aug 29, 2021 at 10:04:25AM -0700, Alexei Starovoitov wrote: > On Thu, Aug 26, 2021 at 09:38:55PM +0200, Jiri Olsa wrote: > > hi, > > sending new version of batch attach support, previous post > > is in here [1]. > > > > The previous post could not assign multi trampoline on top > > of regular trampolines. This patchset is trying to address > > that, plus it has other fixes from last post. > > > > This patchset contains: > > 1) patches (1-4) that fix the ftrace graph tracing over the function > > with direct trampolines attached > > 2) patches (5-8) that add batch interface for ftrace direct function > > register/unregister/modify > > 3) patches (9-27) that add support to attach BPF program to multiple > > functions > > I did a quick look and it looks ok, but probably will require another respin. > In the mean would be great to land the first 8 patches for the upcoming merge > window. > Jiri, > can you respin them quickly addressing build bot issues and maybe > Steven can apply them into his tracing tree for the merge window? > Then during the next release cycle we will only iterate on bpf bits in the > later patches. > Thoughts? sounds good, will do jirka