From owner-freebsd-mips@freebsd.org Tue Mar 6 21:49:09 2018 Return-Path: Delivered-To: freebsd-mips@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DF29CF32725 for ; Tue, 6 Mar 2018 21:49:09 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 6A9D86D542; Tue, 6 Mar 2018 21:49:08 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id w26Ln0uf035815 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 6 Mar 2018 22:49:01 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: juli@northcloak.com Received: from [10.58.0.4] ([10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id w26LmqQl034813 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 7 Mar 2018 04:48:52 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: ELF - panic on installworld To: Juli Mallett , John Baldwin References: <20180305211635.GA21623@lyxys.ka.sub.org> <5A9DEE9E.6050906@grosbein.net> <5A9DF0D6.7090306@grosbein.net> <1949943.3JoNfSzP6x@ralph.baldwin.cx> Cc: freebsd-mips@freebsd.org From: Eugene Grosbein Message-ID: <5A9F0CBE.9070909@grosbein.net> Date: Wed, 7 Mar 2018 04:48:46 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=2.2 required=5.0 tests=BAYES_00, LOCAL_FROM, RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains * 1.9 RDNS_NONE Delivered to internal network by a host with no rDNS X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Mar 2018 21:49:10 -0000 07.03.2018 3:14, Juli Mallett wrote: > That said, we could easily use a more flexible wired TLB entry scheme, > including smartly using pagemask in the cases where the number of pages is > suitable. If we wanted to allow wiring of mappings into the TLB flexibly > at runtime we could do that, or we could just at compile-time have > different code to handle different KSTACK_PAGES values. People have strong > feelings about some of those options, but if there's a workload-oriented > pressure to move in a different direction, it should be very easy to do. I cannot understand what "feelings" may exist about kernel stack shortage leading to panics.