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=-8.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 CED55C43464 for ; Thu, 17 Sep 2020 22:58:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D946208E4 for ; Thu, 17 Sep 2020 22:58:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726093AbgIQW6L (ORCPT ); Thu, 17 Sep 2020 18:58:11 -0400 Received: from mga17.intel.com ([192.55.52.151]:48053 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725886AbgIQW6K (ORCPT ); Thu, 17 Sep 2020 18:58:10 -0400 X-Greylist: delayed 426 seconds by postgrey-1.27 at vger.kernel.org; Thu, 17 Sep 2020 18:58:10 EDT IronPort-SDR: StVzCcg4O3qGDFbC5hgoJfvdxEmiHXRSUq2cIa6hkTqROWCqr98KFySjPMgNSR+NYgVzF/jb2M FtQDTJnVhTeg== X-IronPort-AV: E=McAfee;i="6000,8403,9747"; a="139813260" X-IronPort-AV: E=Sophos;i="5.77,272,1596524400"; d="scan'208";a="139813260" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2020 15:50:59 -0700 IronPort-SDR: XdtVjPfX/G4suJ36MOKruBuCb4TnM1yi393VUId/ZxRWP9vC9tD0ORix2yhcL/sX+zTUu5O4eo vTrj+anwqgbw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,272,1596524400"; d="scan'208";a="307647328" Received: from ranger.igk.intel.com ([10.102.21.164]) by orsmga006.jf.intel.com with ESMTP; 17 Sep 2020 15:50:57 -0700 Date: Fri, 18 Sep 2020 00:44:36 +0200 From: Maciej Fijalkowski To: Andrii Nakryiko Cc: Alexei Starovoitov , Daniel Borkmann , bpf , Networking , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Magnus Karlsson Subject: Re: [PATCH v8 bpf-next 6/7] bpf: allow for tailcalls in BPF subprograms for x64 JIT Message-ID: <20200917224436.GA11842@ranger.igk.intel.com> References: <20200916211010.3685-1-maciej.fijalkowski@intel.com> <20200916211010.3685-7-maciej.fijalkowski@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Sep 17, 2020 at 02:03:32PM -0700, Andrii Nakryiko wrote: > On Wed, Sep 16, 2020 at 3:54 PM Maciej Fijalkowski > wrote: > > > > Relax verifier's restriction that was meant to forbid tailcall usage > > when subprog count was higher than 1. > > > > Also, do not max out the stack depth of program that utilizes tailcalls. > > > > Signed-off-by: Maciej Fijalkowski > > --- > > Maciej, > > Only patches 6 and 7 arrived (a while ago) and seems like the other > patches are lost and not going to come. Do you mind resending entire > patch set? Sure. Vger lately has been giving me a hard time, thought that maybe rest of set would eventually arrive, similarly to what Toke experienced I guess. > > [...]