From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Cc: "Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Hanjun Guo" <guohanjun@huawei.com>,
"Sudeep Holla" <sudeep.holla@kernel.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Daniel Lezcano" <daniel.lezcano@kernel.org>,
"Thomas Gleixner" <tglx@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Chen-Yu Tsai" <wens@kernel.org>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Samuel Holland" <samuel@sholland.org>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Kevin Hilman" <khilman@baylibre.com>,
"Jerome Brunet" <jbrunet@baylibre.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
"Ge Gordon" <gordon.ge@bst.ai>,
"BST Linux Kernel Upstream Group" <bst-upstream@bstai.top>,
"Jesper Nilsson" <jesper.nilsson@axis.com>,
"Lars Persson" <lars.persson@axis.com>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Ivaylo Ivanov" <ivo.ivanov.ivanov1@gmail.com>,
"Frank Li" <Frank.Li@nxp.com>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Dinh Nguyen" <dinguyen@kernel.org>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Thierry Reding" <thierry.reding@kernel.org>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Andreas Färber" <afaerber@suse.de>,
"Heiko Stuebner" <heiko@sntech.de>,
"Shawn Lin" <shawn.lin@rock-chips.com>,
"Orson Zhai" <orsonzhai@gmail.com>,
"Baolin Wang" <baolin.wang@linux.alibaba.com>,
"Michal Simek" <michal.simek@amd.com>
Subject: [PATCH v2 00/17] arm64: Use EL2 virtual timer when running VHE
Date: Thu, 14 May 2026 16:09:28 +0100 [thread overview]
Message-ID: <20260514150945.3917510-1-maz@kernel.org> (raw)
This is the second version of the series initially posted at [1],
which
- updates the ACPI GTDT parsing to deal the v3 layout and the EL2
virtual timer,
- moves the architected timer driver to use it when running VHE,
- fixes a number of DTs to reflect the reality of the HW.
Patches based on -rc3, tested on Amlogic SM1, QC X1E, Ampere Altra,
and Apple M2.
* From v1:
- Now also using the EL2 virtual counter, which further improve
things when running at a deeper nesting level
- Updated consistency checks for the platform timers when finding a
GTDTv3
- Collected ABs and RBs, with thanks
[1] https://lore.kernel.org/r/20260507125544.2903406-1-maz@kernel.org
Marc Zyngier (17):
ACPI: GTDT: Account for GTDTv3 size when walking the platform timer
descriptors
ACPI: GTDT: Parse information related to the EL2 virtual timer
clocksource/drivers/arm_arch_timer: Default to EL2 virtual timer when
running VHE
dt-bindings: timer: arm,arch_timer: Fix requirements for interrupt
description
arm64: dts: allwinner: Add EL2 virtual timer interrupt
arm64: dts: amlogic: Add EL2 virtual timer interrupt
arm64: dts: bst: Add EL2 virtual timer interrupt
arm64: dts: exynos: Add EL2 virtual timer interrupt
arm64: dts: freescale: Add EL2 virtual timer interrupt
arm64: dts: intel: Add EL2 virtual timer interrupt
arm64: dts: mediatek: Add EL2 virtual timer interrupt
arm64: dts: nvidia: Add EL2 virtual timer interrupt
arm64: dts: qcom: Add EL2 virtual timer interrupt
arm64: dts: realtek: Add EL2 virtual timer interrupt
arm64: dts: rockchip: Add EL2 virtual timer interrupt
arm64: dts: sprd: Add EL2 virtual timer interrupt
arm64: dts: xilinx: Add EL2 virtual timer interrupt
.../bindings/timer/arm,arch_timer.yaml | 21 ++++-----
.../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 3 +-
.../boot/dts/amlogic/amlogic-a4-common.dtsi | 8 ----
arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 8 ++++
arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi | 9 ++++
arch/arm64/boot/dts/amlogic/amlogic-s6.dtsi | 3 +-
arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi | 3 +-
arch/arm64/boot/dts/amlogic/amlogic-s7d.dtsi | 3 +-
.../boot/dts/amlogic/meson-g12-common.dtsi | 13 -----
arch/arm64/boot/dts/amlogic/meson-g12.dtsi | 9 ++++
arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 10 ++++
arch/arm64/boot/dts/bst/bstc1200.dtsi | 3 +-
arch/arm64/boot/dts/exynos/axis/artpec9.dtsi | 3 +-
arch/arm64/boot/dts/exynos/exynos2200.dtsi | 3 +-
arch/arm64/boot/dts/exynos/exynos990.dtsi | 3 +-
arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 3 +-
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 3 +-
.../boot/dts/freescale/imx91_93_common.dtsi | 3 +-
arch/arm64/boot/dts/freescale/imx94.dtsi | 3 +-
arch/arm64/boot/dts/freescale/imx95.dtsi | 3 +-
arch/arm64/boot/dts/freescale/imx952.dtsi | 3 +-
arch/arm64/boot/dts/freescale/s32n79.dtsi | 3 +-
.../arm64/boot/dts/intel/socfpga_agilex5.dtsi | 3 +-
arch/arm64/boot/dts/mediatek/mt6779.dtsi | 3 +-
arch/arm64/boot/dts/mediatek/mt8186.dtsi | 3 +-
arch/arm64/boot/dts/mediatek/mt8188.dtsi | 3 +-
arch/arm64/boot/dts/mediatek/mt8192.dtsi | 3 +-
arch/arm64/boot/dts/mediatek/mt8195.dtsi | 3 +-
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 2 +
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 3 +-
arch/arm64/boot/dts/qcom/eliza.dtsi | 3 +-
arch/arm64/boot/dts/qcom/hamoa.dtsi | 3 +-
arch/arm64/boot/dts/qcom/kaanapali.dtsi | 3 +-
arch/arm64/boot/dts/qcom/kodiak.dtsi | 3 +-
arch/arm64/boot/dts/qcom/lemans.dtsi | 3 +-
arch/arm64/boot/dts/qcom/milos.dtsi | 1 +
arch/arm64/boot/dts/qcom/monaco.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sar2130p.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sc7180.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sc8180x.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sdm670.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sdm845.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sdx75.dtsi | 1 +
arch/arm64/boot/dts/qcom/sm4450.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm6350.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm6375.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8150.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8250.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8350.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8450.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8550.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8650.dtsi | 3 +-
arch/arm64/boot/dts/qcom/sm8750.dtsi | 3 +-
arch/arm64/boot/dts/qcom/talos.dtsi | 3 +-
arch/arm64/boot/dts/realtek/rtd16xx.dtsi | 3 +-
arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 3 +-
arch/arm64/boot/dts/sprd/sc9863a.dtsi | 3 +-
arch/arm64/boot/dts/sprd/ums512.dtsi | 3 +-
arch/arm64/boot/dts/sprd/ums9620.dtsi | 3 +-
arch/arm64/boot/dts/xilinx/versal-net.dtsi | 3 +-
drivers/acpi/arm64/gtdt.c | 35 +++++++++++++-
drivers/clocksource/arm_arch_timer.c | 47 +++++++++++--------
63 files changed, 211 insertions(+), 106 deletions(-)
--
2.47.3
next reply other threads:[~2026-05-14 15:09 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-14 15:09 Marc Zyngier [this message]
2026-05-14 15:09 ` [PATCH v2 01/17] ACPI: GTDT: Account for GTDTv3 size when walking the platform timer descriptors Marc Zyngier
2026-05-14 19:54 ` sashiko-bot
2026-05-14 15:09 ` [PATCH v2 02/17] ACPI: GTDT: Parse information related to the EL2 virtual timer Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 03/17] clocksource/drivers/arm_arch_timer: Default to EL2 virtual timer when running VHE Marc Zyngier
2026-05-14 21:23 ` sashiko-bot
2026-05-14 15:09 ` [PATCH v2 04/17] dt-bindings: timer: arm,arch_timer: Fix requirements for interrupt description Marc Zyngier
2026-05-14 21:37 ` sashiko-bot
2026-05-14 15:09 ` [PATCH v2 05/17] arm64: dts: allwinner: Add EL2 virtual timer interrupt Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 06/17] arm64: dts: amlogic: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 07/17] arm64: dts: bst: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 08/17] arm64: dts: exynos: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 09/17] arm64: dts: freescale: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 10/17] arm64: dts: intel: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 11/17] arm64: dts: mediatek: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 12/17] arm64: dts: nvidia: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 13/17] arm64: dts: qcom: " Marc Zyngier
2026-05-14 23:06 ` sashiko-bot
2026-05-14 15:09 ` [PATCH v2 14/17] arm64: dts: realtek: " Marc Zyngier
2026-05-14 23:18 ` sashiko-bot
2026-05-14 15:09 ` [PATCH v2 15/17] arm64: dts: rockchip: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 16/17] arm64: dts: sprd: " Marc Zyngier
2026-05-14 15:09 ` [PATCH v2 17/17] arm64: dts: xilinx: " Marc Zyngier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260514150945.3917510-1-maz@kernel.org \
--to=maz@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=afaerber@suse.de \
--cc=alim.akhtar@samsung.com \
--cc=andersson@kernel.org \
--cc=angelogioacchino.delregno@collabora.com \
--cc=baolin.wang@linux.alibaba.com \
--cc=bst-upstream@bstai.top \
--cc=catalin.marinas@arm.com \
--cc=conor+dt@kernel.org \
--cc=daniel.lezcano@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dinguyen@kernel.org \
--cc=festevam@gmail.com \
--cc=gordon.ge@bst.ai \
--cc=guohanjun@huawei.com \
--cc=heiko@sntech.de \
--cc=ivo.ivanov.ivanov1@gmail.com \
--cc=jbrunet@baylibre.com \
--cc=jernej.skrabec@gmail.com \
--cc=jesper.nilsson@axis.com \
--cc=jonathanh@nvidia.com \
--cc=kernel@pengutronix.de \
--cc=khilman@baylibre.com \
--cc=konradybcio@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=lars.persson@axis.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=mark.rutland@arm.com \
--cc=martin.blumenstingl@googlemail.com \
--cc=matthias.bgg@gmail.com \
--cc=michal.simek@amd.com \
--cc=neil.armstrong@linaro.org \
--cc=orsonzhai@gmail.com \
--cc=rafael@kernel.org \
--cc=robh@kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=samuel@sholland.org \
--cc=shawn.lin@rock-chips.com \
--cc=sudeep.holla@kernel.org \
--cc=tglx@kernel.org \
--cc=thierry.reding@kernel.org \
--cc=wens@kernel.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.