From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Z0SWr-0004xx-23 for user-mode-linux-devel@lists.sourceforge.net; Thu, 04 Jun 2015 10:37:41 +0000 Received: from ivanoab4.miniserver.com ([78.31.104.92]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1Z0SWp-0000kn-Oe for user-mode-linux-devel@lists.sourceforge.net; Thu, 04 Jun 2015 10:37:41 +0000 Message-ID: <55702A6C.8@kot-begemot.co.uk> Date: Thu, 04 Jun 2015 11:37:32 +0100 From: Anton Ivanov MIME-Version: 1.0 References: <556AED66.3030706@nod.at> <1433098827.8871.13.camel@m3y3r.de> <556B5CA0.9010200@kot-begemot.co.uk> <1433412294.3399.4.camel@m3y3r.de> In-Reply-To: <1433412294.3399.4.camel@m3y3r.de> 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] um: Switch clocksource to hrtimers To: Thomas Meyer Cc: user-mode-linux-devel@lists.sourceforge.net I will give it a spin before the end of the weekend and run the full test suite on it. A. [snip] >> Cascading the kernel timer looks like the correct solution. > Hi, > > below patch get's rid of all userspace timers. > When a kernel timer interrupt is received the userspace process of the > corresponding task is signaled via SIGALRM. > The SIGALRM signal forces the userspace process to go back into > userspace() function. There the SIGALRM signal is ignored as the > interrupt was already processed anyway by the uml kernel. > > what do you think about this approach? > > Can you give this patch a try > > with kind regards > thomas > > [snip] ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel