From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1a18YY-0006MA-7D for user-mode-linux-devel@lists.sourceforge.net; Tue, 24 Nov 2015 08:02:30 +0000 Received: from ivanoab4.miniserver.com ([78.31.104.92]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1a18YW-0008JU-Qp for user-mode-linux-devel@lists.sourceforge.net; Tue, 24 Nov 2015 08:02:30 +0000 Message-ID: <5654198B.5060608@kot-begemot.co.uk> Date: Tue, 24 Nov 2015 08:02:19 +0000 From: Anton Ivanov MIME-Version: 1.0 References: <1446996012-31444-1-git-send-email-aivanov@brocade.com> <564F6ADE.8030701@kot-begemot.co.uk> In-Reply-To: List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] [PATCH] Update UBD to use pread/pwrite family of functions To: Richard Weinberger Cc: "user-mode-linux-devel@lists.sourceforge.net" On 23/11/15 22:24, Richard Weinberger wrote: > On Fri, Nov 20, 2015 at 7:47 PM, Anton Ivanov > wrote: >> Hi list, hi Richard. >> >> Have you had time to review this one? I think it is not contentious - it >> is something QEMU has been doing for a very long time now. It also gives >> a measurable speed up, especially for random IO. >> >> I am going to hold off on the rest of the ubd patches because they bulk >> up the transactions. This is dangerous if you end up in a reentrant >> situation. > Sorry for the delay. > The patch looks useful! Thanks a lot! > > Please CC me in future such that patches don't get lost. OK. I have a few that follow it to improve UBD even further, but I am going to hold them off for now until we have the IRQ controller sorted. Multi-read/write and irq/io handler reentrancy do not get along very well :( A. > I handle CC'ed mails with higher priority. > (This is my way to deal with the LKML storm ;)) > ------------------------------------------------------------------------------ Go from Idea to Many App Stores Faster with Intel(R) XDK Give your users amazing mobile app experiences with Intel(R) XDK. Use one codebase in this all-in-one HTML5 development environment. Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs. http://pubads.g.doubleclick.net/gampad/clk?id=254741551&iu=/4140 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel