From: Oliver Upton <oupton@google.com>
To: Raghavendra Rao Ananta <rananta@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Peter Shier <pshier@google.com>,
Ricardo Koller <ricarkol@google.com>,
Reiji Watanabe <reijiw@google.com>,
Jing Zhang <jingzhangos@google.com>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Subject: Re: [PATCH v3 00/12] KVM: arm64: selftests: Introduce arch_timer selftest
Date: Wed, 1 Sep 2021 22:04:04 +0000 [thread overview]
Message-ID: <YS/41Mj4KES1VMrm@google.com> (raw)
In-Reply-To: <20210901211412.4171835-1-rananta@google.com>
On Wed, Sep 01, 2021 at 09:14:00PM +0000, Raghavendra Rao Ananta wrote:
> Hello,
>
> The patch series adds a KVM selftest to validate the behavior of
> ARM's generic timer (patch-11). The test programs the timer IRQs
> periodically, and for each interrupt, it validates the behaviour
> against the architecture specifications. The test further provides
> a command-line interface to configure the number of vCPUs, the
> period of the timer, and the number of iterations that the test
> has to run for.
>
> Patch-12 adds an option to randomly migrate the vCPUs to different
> physical CPUs across the system. The bug for the fix provided by
> Marc with commit 3134cc8beb69d0d ("KVM: arm64: vgic: Resample HW
> pending state on deactivation") was discovered using arch_timer
> test with vCPU migrations.
>
> Since the test heavily depends on interrupts, patch-10 adds a host
> library to setup ARM Generic Interrupt Controller v3 (GICv3). This
> includes creating a vGIC device, setting up distributor and
> redistributor attributes, and mapping the guest physical addresses.
> Symmetrical to this, patch-9 adds a guest library to talk to the vGIC,
> which includes initializing the controller, enabling/disabling the
> interrupts, and so on.
>
> Furthermore, additional processor utilities such as accessing the MMIO
> (via readl/writel), read/write to assembler unsupported registers,
> basic delay generation, enable/disable local IRQs, and so on, are also
> introduced that the test/GICv3 takes advantage of (patches 1 through 8).
>
> The patch series, specifically the library support, is derived from the
> kvm-unit-tests and the kernel itself.
>
> Regards,
> Raghavendra
For later submissions, can you include a lore.kernel.org link to your
older revisions of the series? NBD now, its easy to find in my inbox but
just for future reference.
--
Best,
Oliver
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next prev parent reply other threads:[~2021-09-01 22:06 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-01 21:14 [PATCH v3 00/12] KVM: arm64: selftests: Introduce arch_timer selftest Raghavendra Rao Ananta
2021-09-01 21:14 ` [PATCH v3 01/12] KVM: arm64: selftests: Add MMIO readl/writel support Raghavendra Rao Ananta
2021-09-01 21:23 ` Oliver Upton
2021-09-01 22:43 ` Raghavendra Rao Ananta
2021-09-02 20:17 ` Oliver Upton
2021-09-02 13:21 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 02/12] KVM: arm64: selftests: Add write_sysreg_s and read_sysreg_s Raghavendra Rao Ananta
2021-09-01 21:28 ` Oliver Upton
2021-09-01 22:08 ` Oliver Upton
2021-09-01 22:48 ` Raghavendra Rao Ananta
2021-09-01 23:06 ` Oliver Upton
2021-09-02 12:31 ` Andrew Jones
2021-09-02 17:55 ` Raghavendra Rao Ananta
2021-09-02 13:44 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 03/12] KVM: arm64: selftests: Add support for cpu_relax Raghavendra Rao Ananta
2021-09-01 21:29 ` Oliver Upton
2021-09-01 22:10 ` Oliver Upton
2021-09-02 13:46 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 04/12] KVM: arm64: selftests: Add basic support for arch_timers Raghavendra Rao Ananta
2021-09-02 14:12 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 05/12] KVM: arm64: selftests: Add basic support to generate delays Raghavendra Rao Ananta
2021-09-02 14:35 ` Andrew Jones
2021-09-02 20:20 ` Oliver Upton
2021-09-01 21:14 ` [PATCH v3 06/12] KVM: arm64: selftests: Add support to disable and enable local IRQs Raghavendra Rao Ananta
2021-09-01 23:26 ` Oliver Upton
2021-09-02 14:43 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 07/12] KVM: arm64: selftests: Add support to get the vcpuid from MPIDR_EL1 Raghavendra Rao Ananta
2021-09-01 23:48 ` Oliver Upton
2021-09-02 12:36 ` Andrew Jones
2021-09-02 17:52 ` Raghavendra Rao Ananta
2021-09-01 21:14 ` [PATCH v3 08/12] KVM: arm64: selftests: Add light-weight spinlock support Raghavendra Rao Ananta
2021-09-02 21:06 ` Oliver Upton
2021-09-03 8:25 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 09/12] KVM: arm64: selftests: Add basic GICv3 support Raghavendra Rao Ananta
2021-09-03 9:37 ` Andrew Jones
2021-09-01 21:14 ` [PATCH v3 10/12] KVM: arm64: selftests: Add host support for vGIC Raghavendra Rao Ananta
2021-09-02 17:28 ` Ricardo Koller
2021-09-02 17:59 ` Raghavendra Rao Ananta
2021-09-03 10:00 ` Andrew Jones
2021-09-03 20:45 ` Raghavendra Rao Ananta
2021-09-03 10:51 ` Andrew Jones
2021-09-03 20:48 ` Raghavendra Rao Ananta
2021-09-01 21:14 ` [PATCH v3 11/12] KVM: arm64: selftests: Add arch_timer test Raghavendra Rao Ananta
2021-09-03 10:48 ` Andrew Jones
2021-09-03 20:42 ` Raghavendra Rao Ananta
2021-09-01 21:14 ` [PATCH v3 12/12] KVM: arm64: selftests: arch_timer: Support vCPU migration Raghavendra Rao Ananta
2021-09-03 11:05 ` Andrew Jones
2021-09-03 20:53 ` Raghavendra Rao Ananta
2021-09-06 6:39 ` Andrew Jones
2021-09-07 16:14 ` Raghavendra Rao Ananta
2021-09-07 16:20 ` Andrew Jones
2021-09-01 22:04 ` Oliver Upton [this message]
2021-09-01 22:05 ` [PATCH v3 00/12] KVM: arm64: selftests: Introduce arch_timer selftest Oliver Upton
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