From: Oliver Upton <oliver.upton@linux.dev>
To: Marc Zyngier <maz@kernel.org>
Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Wei-Lin Chang <r09922117@csie.ntu.edu.tw>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
Dmytro Terletskyi <Dmytro_Terletskyi@epam.com>,
Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v2 0/3] KVM/arm64: timer fixes for 6.14
Date: Tue, 4 Feb 2025 07:08:11 -0800 [thread overview]
Message-ID: <Z6ItW1ziOWy7LsMc@linux.dev> (raw)
In-Reply-To: <20250204110050.150560-1-maz@kernel.org>
On Tue, Feb 04, 2025 at 11:00:47AM +0000, Marc Zyngier wrote:
> It's been recently pointed out that the NV timer code that is
> (hopefully) on its way upstream is marginally sub-optimal (read:
> terminally broken). This short series attempts to fix things:
>
> - Correctly arm a background timer in all situations
>
> - Avoid corrupting the EL2 state by shoving the EL1 state into it, and
> simplify the handling of emulated timers
>
> - Drop the weird HV timer offset dance dance on E2H switch that never
> happens and make HV timer correctly UNDEF on E2H==0.
>
> Thanks to Volodymyr Babchuk and Wei-Lin Chang for their help.
>
> Patches on top of kvmarm/fixes, and merged back on top of my
> kvm-arm64/nv-next branch.
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
--
Thanks,
Oliver
next prev parent reply other threads:[~2025-02-04 15:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-04 11:00 [PATCH v2 0/3] KVM/arm64: timer fixes for 6.14 Marc Zyngier
2025-02-04 11:00 ` [PATCH v2 1/3] KVM: arm64: timer: Always evaluate the need for a soft timer Marc Zyngier
2025-02-04 14:17 ` Dmytro Terletskyi
2025-02-04 11:00 ` [PATCH v2 2/3] KVM: arm64: timer: Correctly handle EL1 timer emulation when !FEAT_ECV Marc Zyngier
2025-02-04 14:17 ` Dmytro Terletskyi
2025-02-04 11:00 ` [PATCH v2 3/3] KVM: arm64: timer: Don't adjust the EL2 virtual timer offset Marc Zyngier
2025-02-04 15:08 ` Oliver Upton [this message]
2025-02-04 15:12 ` [PATCH v2 0/3] KVM/arm64: timer fixes for 6.14 Marc Zyngier
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