From owner-freebsd-xen@FreeBSD.ORG Sat Dec 24 08:53:59 2011 Return-Path: Delivered-To: xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 42D0D106566C for ; Sat, 24 Dec 2011 08:53:59 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-vx0-f182.google.com (mail-vx0-f182.google.com [209.85.220.182]) by mx1.freebsd.org (Postfix) with ESMTP id EB5168FC0C for ; Sat, 24 Dec 2011 08:53:58 +0000 (UTC) Received: by vcbfk1 with SMTP id fk1so13701552vcb.13 for ; Sat, 24 Dec 2011 00:53:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=fcyjOWvfEOdZokc/3HZrwkW1RXr22uJGVdFPjaqYMXQ=; b=CaMG5lxO/ADo9q1onFhUXANBFBvpotkwZqrqAaofw0e/RUmL+vyb0AC/c0zUPrrYls xoY05PgHUNGoj4yyG4P/40adVsbYdHzPO9sn8p9YjmSZETS2+EWoeASVL8XDHr6H8PIl ObLwhi/WxPY71FCu2fE6WvfWZBe4tJiy8K8DY= MIME-Version: 1.0 Received: by 10.52.180.98 with SMTP id dn2mr373311vdc.83.1324715398960; Sat, 24 Dec 2011 00:29:58 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.52.36.5 with HTTP; Sat, 24 Dec 2011 00:29:58 -0800 (PST) In-Reply-To: <4EF245D1.2050503@rice.edu> References: <4EEB9CCE.6090701@rice.edu> <1324169806.3093.3.camel@hitfishpass-lx.corp.yahoo.com> <4EED4982.3080208@freebsd.org> <1324339762.3093.14.camel@hitfishpass-lx.corp.yahoo.com> <4EF04F3C.9010309@rice.edu> <1324387685.3093.28.camel@hitfishpass-lx.corp.yahoo.com> <4EF0D8D7.2060503@rice.edu> <4EF0EC1A.4010604@freebsd.org> <1324412718.12783.10.camel@hitfishpass-lx.corp.yahoo.com> <4EF245D1.2050503@rice.edu> Date: Sat, 24 Dec 2011 00:29:58 -0800 X-Google-Sender-Auth: HDUfqzK0aZf5EoqG_HqQhQP6Ads Message-ID: From: Adrian Chadd To: Alan Cox Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Sean Bruno , "xen@freebsd.org" Subject: Re: PV i386 patch X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Dec 2011 08:53:59 -0000 On 21 December 2011 12:47, Alan Cox wrote: > Can you please try the attached patch? =A0I'm trying to reduce the number= of > differences between the native and Xen pmap implementations. Hi, When I last tinkered with Xen, I noticed that it was _very_ easy to end up with FS corruption by just doing a whole lot of parallel software builds (in my case squid). This happened with single-CPU VMs too. I wonder if this would be fixed by your work.. Adrian