From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: fast system calls Date: Sat, 27 Dec 2008 21:39:48 +1100 Message-ID: <495605F4.40201@goop.org> References: <4955D344.9070202@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: pallavi jk Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org pallavi jk wrote: > Thanx a lot Jeremy! > > In addition to removing the special case for 0x80 in > arch/x86/traps.c:do_set_trap_table(), will I also have to define an > entry point in xen/arch/x86/x86_32/entry.S as ENTRY(system_call) ?? No, I shouldn't think so. Xen doesn't care what purpose the guest is using int 0x80 for; without the special case, it should Just Work. > Could you please tell me other required modifications that I will have > to make? I don't know off the top of my head. There could be some other complication. J