From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH/RFC 5/9] s390 virtual console for guests Date: Mon, 14 May 2007 12:49:17 -0500 Message-ID: <4648A11D.3050607@us.ibm.com> References: <1178903957.25135.13.camel@cotte.boeblingen.de.ibm.com> <4644BD3C.8040901@codemonkey.ws> <200705141823.13424.cborntra@de.ibm.com> <200705141848.18996.borntrae@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Martin Schwidefsky To: Christian Borntraeger Return-path: In-Reply-To: <200705141848.18996.borntrae-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org> 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 Christian Borntraeger wrote: > On Monday 14 May 2007 18:23, Christian Borntr=E4ger wrote: > = >> On Friday 11 May 2007 21:00, Anthony Liguori wrote: >> = >>> I think it would be better to use hvc_console as Xen now uses it too. >>> = >> I just had a look at hvc_console, and indeed this driver looks appropria= te = >> = > > As I started prototyping this frontend I realized that hvc_console requir= es = > some interfaces, which are not present on s390, e.g. we have no request_i= rq = > and free_irq. Dont know if hvc_console is still the right way to go for u= s. = > = It seems like request_irq is roughly the same as = register_external_interrupt. I suspect that you could get away with = either patching hvc_console to use register_external_interrupt if = CONFIG_S390 or perhaps providing a common interface. I suspect that this is going to come up again for sharing other paravirt = drivers. Regards, Anthony Liguori > This needs more thinking. = > > Christian > > = ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/