From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] Fix BIOS CPU enumeration Date: Thu, 23 Aug 2007 11:47:15 +0300 Message-ID: <46CD4993.4050707@qumranet.com> References: <46CD454F.3000903@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: "Li, Xin B" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Li, Xin B wrote: >> -----Original Message----- >> From: Avi Kivity [mailto:avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org] >> Sent: Thursday, August 23, 2007 4:29 PM >> To: Li, Xin B >> Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >> Subject: Re: [kvm-devel] [PATCH] Fix BIOS CPU enumeration >> >> Li, Xin B wrote: >> >>> Current BIOS delays 10ms for AP to boot up, but we found it >>> >> may be too >> >>> short : on some machine 10ms is OK, some other not. And if we look at >>> the OS side, Linux waits for 5s for AP to boot up, so I >>> >> would suggest to >> >>> wait for a much longer time, like 2000ms, is that OK >>> >> Two seconds is a bit long. But now that we have the bios in >> our source >> repo, we can go wild, and pass the cpu count in the cmos non volatile >> memory or through some port, and make it timing independent. >> > > Hmmm, sounds good! > Okay, so I am dropping this patch (using the PIT) and waiting for a timing independent patch. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/