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[23.128.96.18]) by mx.google.com with ESMTP id c1si11049735jaa.58.2021.09.14.10.26.14; Tue, 14 Sep 2021 10:26:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=KE6BCfdm; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230390AbhINRZr (ORCPT + 99 others); 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-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