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Wed, 23 Jul 2025 09:15:43 +0100 Date: Wed, 23 Jul 2025 09:15:34 +0100 Message-ID: <87qzy7tja1.wl-maz@kernel.org> From: Marc Zyngier To: Itaru Kitayama Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Eric Auger Subject: Re: [PATCH 4/4] KVM: arm64: selftest: vgic-v3: Add basic GICv3 sysreg userspace access test In-Reply-To: References: <20250718111154.104029-1-maz@kernel.org> <20250718111154.104029-5-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 82.132.236.66 X-SA-Exim-Rcpt-To: itaru.kitayama@linux.dev, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, eric.auger@redhat.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250723_011547_235508_2C4E658A X-CRM114-Status: GOOD ( 16.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 23 Jul 2025 06:00:40 +0100, Itaru Kitayama wrote: > > On Fri, Jul 18, 2025 at 12:11:54PM +0100, Marc Zyngier wrote: > > We have a lot of more or less useful vgic tests, but none of them > > tracks the availability of GICv3 system registers, which is a bit > > annoying. > > > > Add one such test, which covers both EL1 and EL2 registers. > > > > Signed-off-by: Marc Zyngier > > I've tested this selftest on the RevC FVP with kvm-arm.mode=nested. > > Tested-by: Itaru Kitayama > > Running GIC_v3 tests. > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='657' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='682' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='682' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='657' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='672' > __vm_create: mode='PA-bits:40, VA-bits:48, 4K pages' type='0', pages='657' I have no idea what you tested it on, because I get none of this nonsense. Where is it coming from? M. -- Jazz isn't dead. It just smells funny.