From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH v4 10/12] KVM: arm64: guest debug, HW assisted debug support Date: Fri, 15 May 2015 18:01:14 +0100 Message-ID: <20150515170114.GD23652@leverpostej> References: <1431700035-23479-1-git-send-email-alex.bennee@linaro.org> <1431700035-23479-11-git-send-email-alex.bennee@linaro.org> <20150515152346.GB23652@leverpostej> <87y4kpke91.fsf@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <87y4kpke91.fsf@linaro.org> Sender: linux-doc-owner@vger.kernel.org To: Alex =?utf-8?Q?Benn=C3=A9e?= Cc: "kvm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.cs.columbia.edu" , "christoffer.dall@linaro.org" , Marc Zyngier , "peter.maydell@linaro.org" , "agraf@suse.de" , "drjones@redhat.com" , "pbonzini@redhat.com" , "zhichao.huang@linaro.org" , Lorenzo Pieralisi , Russell King , Jonathan Corbet , Gleb Natapov , "jan.kiszka@siemens.com" , "open list:DOCUMENTATION" , Will Deacon , open list "open list:ABI/API" List-Id: linux-api@vger.kernel.org > > This gets more fun when you consider the context-aware breakpoints are > > the highest numbered. So the set of (context-aware) breakpoints might > > not intersect across all CPUs. > > I didn't see a reference to that in the ARM ARM. It seemed to imply any > breakpoint could be context aware is .BT was appropriately set and > linked to the VR. The existence of ID_AA64_DFR0_EL1.CTX_CMPs implies otherwise, though I haven't dug much deeper. Thanks, Mark.