From: Alexandru Elisei <alexandru.elisei@arm.com>
To: Vladimir Murzin <vladimir.murzin@arm.com>,
Andre Przywara <andre.przywara@arm.com>
Cc: Andrew Jones <drjones@redhat.com>,
kvm@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [kvm-unit-tests PATCH 09/17] arm: gic: Add test for flipping GICD_CTLR.DS
Date: Thu, 14 Nov 2019 15:21:46 +0000 [thread overview]
Message-ID: <187393bb-a32d-092d-d0ea-44c58a54d1de@arm.com> (raw)
In-Reply-To: <90cdc695-f761-26bd-d2a7-f8655ce04463@arm.com>
Hi,
On 11/14/19 2:50 PM, Vladimir Murzin wrote:
> On 11/14/19 2:17 PM, Andre Przywara wrote:
>> On Thu, 14 Nov 2019 13:39:33 +0000
>> Vladimir Murzin <vladimir.murzin@arm.com> wrote:
>>
>>> Hi,
>>>
>>> On 11/12/19 4:42 PM, Alexandru Elisei wrote:
>>>> Are we not testing KVM? Why are we not treating a behaviour different than what
>>>> KVM should emulate as a fail?
>>> Can kvm-unit-tests be run with qemu TCG?
>> Yes, it does that actually by default if you cross compile. I also tested this explicitly on TCG: unlike KVM that actually passes all those tests.
>> If you set the environment variable ACCEL to either tcg or kvm, you can select this at runtime:
>> $ ACCEL=tcg arm/run arm/gic.flat -smp 3 -append irq
> Great! Then, IMO, it is absolutely valid to test this functionality!
TCG emulates a GIC with a single security state for me:
/usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=3,accel=tcg
-cpu cortex-a57 -device virtio-serial-device -device virtconsole,chardev=ctd
-chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel
arm/gic.flat -append irq
PASS: gicv3: irq: SPI triggered by CPU write
PASS: gicv3: irq: disabled SPI does not fire
PASS: gicv3: irq: now enabled SPI fires
INFO: gicv3: irq: GROUP: GIC is one security state only
[..]
But that could change someday, so I'm fine with failing only if we are not allowed
to have GICD_CTLR.DS=1, because that will prevent us from testing group 0 interrupts.
Thanks,
Alex
> Thanks
> Vladimir
>
>> Cheers,
>> Andre
>>
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next prev parent reply other threads:[~2019-11-14 15:22 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-08 14:42 [kvm-unit-tests PATCH 00/17] arm: gic: Test SPIs and interrupt groups Andre Przywara
2019-11-08 14:42 ` [kvm-unit-tests PATCH 01/17] arm: gic: Enable GIC MMIO tests for GICv3 as well Andre Przywara
2019-11-08 17:28 ` Alexandru Elisei
2019-11-12 12:49 ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 02/17] arm: gic: Generalise function names Andre Przywara
2019-11-12 11:11 ` Alexandru Elisei
2019-11-12 12:49 ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 03/17] arm: gic: Provide per-IRQ helper functions Andre Przywara
2019-11-12 12:51 ` Alexandru Elisei
2019-11-12 15:53 ` Auger Eric
2019-11-12 16:53 ` Alexandru Elisei
2019-11-12 13:49 ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 04/17] arm: gic: Support no IRQs test case Andre Przywara
2019-11-12 13:26 ` Alexandru Elisei
2019-11-12 21:14 ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 05/17] arm: gic: Prepare IRQ handler for handling SPIs Andre Przywara
2019-11-12 13:36 ` Alexandru Elisei
2019-11-12 20:56 ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 06/17] arm: gic: Add simple shared IRQ test Andre Przywara
2019-11-12 13:54 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 07/17] arm: gic: Extend check_acked() to allow silent call Andre Przywara
2019-11-12 15:23 ` Alexandru Elisei
2019-11-14 12:32 ` Andrew Jones
2019-11-15 11:32 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 08/17] arm: gic: Add simple SPI MP test Andre Przywara
2019-11-12 15:41 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 09/17] arm: gic: Add test for flipping GICD_CTLR.DS Andre Przywara
2019-11-12 16:42 ` Alexandru Elisei
2019-11-14 13:39 ` Vladimir Murzin
2019-11-14 14:17 ` Andre Przywara
2019-11-14 14:50 ` Vladimir Murzin
2019-11-14 15:21 ` Alexandru Elisei [this message]
2019-11-14 15:27 ` Peter Maydell
2019-11-14 15:47 ` Alexandru Elisei
2019-11-14 15:56 ` Peter Maydell
2019-11-08 14:42 ` [kvm-unit-tests PATCH 10/17] arm: gic: Check for writable IGROUPR registers Andre Przywara
2019-11-12 16:51 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 11/17] arm: gic: Check for validity of both group enable bits Andre Przywara
2019-11-12 16:58 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 12/17] arm: gic: Change gic_read_iar() to take group parameter Andre Przywara
2019-11-12 17:19 ` Alexandru Elisei
2019-11-14 12:50 ` Andrew Jones
2019-11-08 14:42 ` [kvm-unit-tests PATCH 13/17] arm: gic: Change write_eoir() " Andre Przywara
2019-11-08 14:42 ` [kvm-unit-tests PATCH 14/17] arm: gic: Prepare for receiving GIC group 0 interrupts via FIQs Andre Przywara
2019-11-12 17:30 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 15/17] arm: gic: Provide FIQ handler Andre Przywara
2019-11-13 10:14 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 16/17] arm: gic: Prepare interrupt statistics for both groups Andre Przywara
2019-11-13 10:44 ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 17/17] arm: gic: Test Group0 SPIs Andre Przywara
2019-11-13 11:26 ` Alexandru Elisei
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