From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: [PATCH] KVM: PPC: Add userspace debug stub support Date: Mon, 13 May 2013 09:33:21 -0500 Message-ID: <1368455601.8202.2@snotra> References: <1367919653-30414-1-git-send-email-Bharat.Bhushan@freescale.com> <1367919653-30414-7-git-send-email-Bharat.Bhushan@freescale.com> <58035060-8555-4358-8034-D48BE5C4FDB5@suse.de> <6A3DF150A5B70D4F9B66A25E3F7C888D070155C2@039-SN2MPN1-012.039d.mgd> <1B054B38-473A-4125-AC53-F441DEF63203@suse.de> <6A3DF150A5B70D4F9B66A25E3F7C888D07015F8F@039-SN2MPN1-012.039d.mgd.msft.net> <9125D8D2-63E8-4BE9-872F-6A1274ED7E87@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; delsp=Yes; format=Flowed Content-Transfer-Encoding: 8BIT Cc: Bhushan Bharat-R65777 , "kvm-ppc@vger.kernel.org" , "kvm@vger.kernel.org" , Wood Scott-B07421 , "tiejun.chen@windriver.com" To: Alexander Graf Return-path: In-Reply-To: <9125D8D2-63E8-4BE9-872F-6A1274ED7E87@suse.de> (from agraf@suse.de on Sat May 11 08:18:50 2013) Content-Disposition: inline Sender: kvm-ppc-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 05/11/2013 08:18:50 AM, Alexander Graf wrote: > > > Am 11.05.2013 um 12:24 schrieb Bhushan Bharat-R65777 > : > > We do not want to keep the delayed debug events as they does not > carry much value. Example: taking h/w breakpoint at some other > execution address. > > That's for the guest to decide, no? No more so than with the various other things that don't get fully emulated. > If the guest wants to poll debug events rather than receive > interrupts, we should enable it to do so. Someone who cares can enable it to do so. Note that the value of deferred debug events is so low that it got ripped out of the hardware starting with e6500. Didn't we discuss this a while back? -Scott