From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [kvm-unit-tests PATCH v2 14/14] powerpc/ppc64: HACK: make a fake debug-exit Date: Fri, 12 Feb 2016 23:50:27 +0100 Message-ID: <56BE61B3.5090800@redhat.com> References: <1454957594-30601-1-git-send-email-drjones@redhat.com> <1454957594-30601-15-git-send-email-drjones@redhat.com> <56BE1F50.6030504@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: dgibson@redhat.com, david@gibson.dropbear.id.au, agraf@suse.de, lvivier@redhat.com To: Thomas Huth , Andrew Jones , kvm@vger.kernel.org, kvm-ppc@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:37710 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbcBLWuc (ORCPT ); Fri, 12 Feb 2016 17:50:32 -0500 In-Reply-To: <56BE1F50.6030504@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 12/02/2016 19:07, Thomas Huth wrote: > For a future improvement: Not sure, but there is a "ibm,os-term" RTAS > call which "[...] is provided for the OS to indicate to the platform > that it has terminated normal operation. A string of information is > passed to the platform", according to LoPAPR chapter 7.3.9.1. Maybe that > could be used to implement the debug-exit functionality? QEMU seems to > already send a GUEST_PANIC_ACTION_PAUSE event in this case, but the > parameter string is not taken into account yet... It also doesn't actually pause, unlike qemu_system_guest_panicked(). It probably should use a different GUEST_PANIC_ACTION (e.g. "report") for the event. Paolo