From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v8 0/13] remove maintenance interrupts Date: Fri, 17 Oct 2014 08:35:29 +0100 Message-ID: <1413531329.2012.25.camel@citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: harry S Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Fri, 2014-10-17 at 10:18 +0800, harry S wrote: > So if I want to intercept the system call (such as ioctl), is there > any way for Xen to do this without setting HCR.TGE? Or Xen can't > intercept any system call at all? As I've already advised you before you should carefully consult the ARM ARM (the ARM architecture reference manual) to discover whether or not there is such a trap available. I don't believe there is but I'm not going to do the leg work for you to confirm or deny. Ian.