From owner-freebsd-arm@freebsd.org Tue Aug 18 14:38:18 2015 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 10AD09BCF63 for ; Tue, 18 Aug 2015 14:38:18 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: from mail-ig0-x230.google.com (mail-ig0-x230.google.com [IPv6:2607:f8b0:4001:c05::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CA4511E0F for ; Tue, 18 Aug 2015 14:38:17 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: by igui7 with SMTP id i7so84097906igu.1 for ; Tue, 18 Aug 2015 07:38:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=RZ61wt6WdZZlXoT00HG3z5LxgN/4zzvbsf+j1JT0QxI=; b=I7BZeo/qYDzyr+ivweirROV6oC2iCGvB6kMQ79Zrxu9f3IO1WV84voW91+MmVfCNie GQxbIEPC+K0X112fm40snRrZBZW5WXtpBN8uBh729IfO1ERpfnptsv/qE+lfkXvAd2kY wmVXwSrrPeK/O76KhA7iYFoiAYhVnO3CTZBWhixjnKcqKkjymkyu7tNVeZrR6j3eQhNo JoAKEF28tkGMbk+1OAjaq1SpsTf2dUKjLF4TE0B59zELssLVWu3GjwohkZBVXFjJIWGb HsKq1YbIV3e/eglNAMADAeWFhlSXP2FUeFuSLcYv9cBx8+LQlitbJfbDVDkkifgy5ICp MttQ== MIME-Version: 1.0 X-Received: by 10.50.93.74 with SMTP id cs10mr21741135igb.42.1439908697366; Tue, 18 Aug 2015 07:38:17 -0700 (PDT) Received: by 10.64.239.196 with HTTP; Tue, 18 Aug 2015 07:38:17 -0700 (PDT) In-Reply-To: <55D33CDE.8040207@selasky.org> References: <55A7D8CE.4020809@selasky.org> <55B8B297.1010008@selasky.org> <20150729154516.GH78154@funkthat.com> <55B8F5EC.2050908@selasky.org> <46ad096c958.1a82a175@mail.schwarzes.net> <55B9C3E2.5040501@selasky.org> <46ae815c7c3.447237c8@mail.schwarzes.net> <46aece00b53.3c1cdc1f@mail.schwarzes.net> <55BB2A5F.9000502@selasky.org> <46baa16c4ce.6efd29ef@mail.schwarzes.net> <55CF31A1.5080205@selasky.org> <55D31D11.3050509@selasky.org> <55D32912.1070707@selasky.org> <55D331D7.9080702@selasky.org> <55D335CE.4080702@selasky.org> <55D33CDE.8040207@selasky.org> Date: Tue, 18 Aug 2015 16:38:17 +0200 Message-ID: Subject: Re: DWC OTG TX path optimisation for 11-current From: Svatopluk Kraus To: Hans Petter Selasky Cc: "freebsd-arm@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Aug 2015 14:38:18 -0000 On Tue, Aug 18, 2015 at 4:10 PM, Hans Petter Selasky wrote: > Hi, > > I see three out of four IRQ threads stuck in tlb_broadcast(). Not sure if > that implies a deadlock? Can anyone familiar with tlb_broadcast() comment? > Well, according to disassembled kernel, it's IPI_STOP where other cores are stucked.