From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Thu, 29 May 2014 10:53:52 +0200 Subject: [PATCH v2 7/9] arm64: KVM: add trap handlers for AArch32 debug registers In-Reply-To: <53860830.4080707@arm.com> References: <1400604945-25247-1-git-send-email-marc.zyngier@arm.com> <1400604945-25247-8-git-send-email-marc.zyngier@arm.com> <20140525153546.GH3866@lvm> <53860830.4080707@arm.com> Message-ID: <20140529085352.GC61607@lvm> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, May 28, 2014 at 05:00:48PM +0100, Marc Zyngier wrote: > On 25/05/14 16:35, Christoffer Dall wrote: > > On Tue, May 20, 2014 at 05:55:43PM +0100, Marc Zyngier wrote: [...] > >> + > >> + /* DBGDSAR (32bit) */ > >> + { Op1( 0), CRn( 2), CRm( 0), Op2( 0), trap_raz_wi }, > >> + > > > > we don't handle access to any implementation defined debug registers? > > Did we actually check what would be implemented for the cores we > > support? > > No. So far, I've stuck with what the ARM ARM describe. Unless you're > thinking of a particular register I may ignored? > I was just wondering if there are any implementation defined registers on the cores we claim to support (a15/a57/a53), and if so, if we shouldn't add some handlers for those for completeness sake. I didn't actually check. Did you? -Christoffer