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=-1.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, FROM_LOCAL_NOVOWEL,HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM, 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 C34ADC433EF for ; Tue, 14 Sep 2021 17:24:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7201603E8 for ; Tue, 14 Sep 2021 17:24:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231339AbhINRZr (ORCPT ); Tue, 14 Sep 2021 13:25:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229661AbhINRZq (ORCPT ); Tue, 14 Sep 2021 13:25:46 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDEA3C061574 for ; Tue, 14 Sep 2021 10:24:28 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id h17so11008834edj.6 for ; Tue, 14 Sep 2021 10:24:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=EGRPFgoAwi4AvXS75+7qSU93iD+OaTNIU+GyjPC/BlU=; b=KE6BCfdmrHnbCw4KivnyDYC3bfsky6Y6SeLsyBAp3AN0b+uaHSJxSnsmrK2YAtF+fi DH5INupOzneqTyCVgO2YBr/2un9+mPXGALyPILv8Uf3R8KalHSirt2XsMi6NzpwEOR4S OywKlTzRc6rB85nY9vMNmUxUhph62CP+yGaXeuT0j9v1EDJQV8jmUOI/+KGYlCTyKjzh Zk9Ls973N2S4pSbkeGrEpAfLVSG7suT7IwK7GjsdpSsrcGwh5OK3rrIJi2JVGuK6Goub 0e61X+Jjnid7qEMUi+jzoe+LQ7n3yh4oGWgGMWAIFaecAmHQMSmgEHzFYnJuNXvX0fEp 9tIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=EGRPFgoAwi4AvXS75+7qSU93iD+OaTNIU+GyjPC/BlU=; b=Y4wdk2JLhDKOCfZCumJ3SKErO9UMWjLQlyYKZyrgQawY8BuLWdsN/TIG4WX8Z2Kkw/ xH5h20I3iZCoLBooBQwc2wZLm4508WiLuq6EAhfOX9NxfJ4Z2/rG3rEXHa5+7OhXeIZ7 Q7/J7c7Mp986osGeOfUq60ki9MMVycl5GRJqYs4hOI/H907711LndT62AgCMrJlW/hXj /cwYrj/nAW/+vkemoOB6SEodCojSbBs6y2HcA+NUEC6+BzMuDyz5sK0AF8+ss+KzgQ/A Q68MXDAEM4swlXzbaOHVg6oNxUJ4r+M/Kyrh7xheHKX9eGTWHQeLLct2FNB4roRgUKg6 19QA== X-Gm-Message-State: AOAM533IV87aa836OjXhpllHg2X4LLUag4j4jlQnRaXrG4xDusD/Hngc WpQCZOk8mvhQTnbmxDUUxeWCceglfj5qXqwnphc= X-Google-Smtp-Source: ABdhPJyzqoBsNhtNjKYHRSRkd5KA7l/L5E+Z2/ap7lQ7sj/n1gnz/LHDPTXzZ1kKJbUtTq26vq7m88pKBLc8SCMkFdo= X-Received: by 2002:aa7:db87:: with SMTP id u7mr20535016edt.92.1631640267390; Tue, 14 Sep 2021 10:24:27 -0700 (PDT) MIME-Version: 1.0 References: <20210912025235.3514761-1-linux@roeck-us.net> <315e4a23990444f585a15d2e23a39b8f@AcuMS.aculab.com> <46f59bf8-f243-b65c-07b3-8ecbf7b410fa@roeck-us.net> In-Reply-To: From: Max Filippov Date: Tue, 14 Sep 2021 10:24:14 -0700 Message-ID: Subject: Re: [PATCH] xtensa: Increase size of gcc stack frame check To: Guenter Roeck Cc: David Laight , Andrew Morton , Masahiro Yamada , "linux-xtensa@linux-xtensa.org" , "linux-kernel@vger.kernel.org" , Chris Zankel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 14, 2021 at 7:02 AM Guenter Roeck wrote: > I still don't think that those stack limit warnings (now errors) > will ever get fixed. Which is the point I was trying to make, > and your observation that the stack frames are really that large > because of KASAN just makes that argument stronger. > > Other than that, it is not my call to make that to do with this > patch. If you think that it is inappropriate, by all means > reject it. I like it, also for the reason that with KASAN enabled kernel stack size on xtensa is 4 times bigger. -- Thanks. -- Max