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linux/drivers/irqchip
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Arnd Bergmann 8d76a7d89c irqchip/gic-v3-its: Avoid truncating memory addresses 
On 32-bit machines with CONFIG_ARM_LPAE, it is possible for lowmem
allocations to be backed by addresses physical memory above the 32-bit
address limit, as found while experimenting with larger VMSPLIT
configurations.

This caused the qemu virt model to crash in the GICv3 driver, which
allocates the 'itt' object using GFP_KERNEL. Since all memory below
the 4GB physical address limit is in ZONE_DMA in this configuration,
kmalloc() defaults to higher addresses for ZONE_NORMAL, and the
ITS driver stores the physical address in a 32-bit 'unsigned long'
variable.

Change the itt_addr variable to the correct phys_addr_t type instead,
along with all other variables in this driver that hold a physical
address.

The gicv5 driver correctly uses u64 variables, while all other irqchip
drivers don't call virt_to_phys or similar interfaces. It's expected that
other device drivers have similar issues, but fixing this one is
sufficient for booting a virtio based guest.

Fixes: cc2d3216f5 ("irqchip: GICv3: ITS command queue")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260119201603.2713066-1-arnd@kernel.org
2026-01-20 10:11:29 +01:00
..
alphascale_asm9260-icoll.h
…
exynos-combiner.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-aclint-sswi.c
irqchip/aclint-sswi: Add Nuclei UX900 support
2025-11-11 22:17:22 +01:00
irq-al-fic.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-alpine-msi.c
irqchip/alpine-msi: Switch to msi_create_parent_irq_domain()
2025-07-03 15:49:25 +02:00
irq-apple-aic.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2025-12-05 17:01:20 -08:00
irq-armada-370-xp.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-aspeed-i2c-ic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-aspeed-intc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-aspeed-scu-ic.c
irqchip/aspeed-scu-ic: Fix an IS_ERR() vs NULL check
2025-10-07 10:23:22 +02:00
irq-aspeed-vic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ath79-cpu.c
…
irq-ath79-misc.c
irqchip/ath79-misc: Fix missing prototypes warnings
2025-06-20 21:38:52 +02:00
irq-atmel-aic5.c
irqchip/atmel-aic[5]: Fix incorrect lock guard conversion
2025-08-23 21:41:07 +02:00
irq-atmel-aic-common.c
irqchip/atmel-aic: Simplify with of_machine_get_match_data()
2025-11-26 19:42:51 -06:00
irq-atmel-aic-common.h
…
irq-atmel-aic.c
irqchip/atmel-aic[5]: Fix incorrect lock guard conversion
2025-08-23 21:41:07 +02:00
irq-bcm2712-mip.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-bcm2835.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-bcm2836.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-bcm6345-l1.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-bcm7038-l1.c
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
irq-bcm7120-l2.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-brcmstb-l2.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-clps711x.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-crossbar.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-csky-apb-intc.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-csky-mpintc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-davinci-cp-intc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-digicolor.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-dw-apb-ictl.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-econet-en751221.c
irqchip/econet-en751221: Switch to of_fwnode_handle()
2025-05-13 16:39:03 +02:00
irq-ftintc010.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-gic-common.c
…
irq-gic-common.h
irqchip/gic-v3: Rename GICv3 ITS MSI parent
2025-07-08 18:35:52 +01:00
irq-gic-its-msi-parent.c
irqchip/gic-its: Rework platform MSI deviceID detection
2025-11-22 17:09:03 +01:00
irq-gic-its-msi-parent.h
irqchip/gic-v5: Add GICv5 ITS support
2025-07-08 18:35:52 +01:00
irq-gic-pm.c
…
irq-gic-realview.c
…
irq-gic-v2m.c
irqchip/gic-v2m: Handle Multiple MSI base IRQ Alignment
2025-09-04 14:52:47 +02:00
irq-gic-v3-its-fsl-mc-msi.c
of/irq: Convert of_msi_map_id() callers to of_msi_xlate()
2025-09-03 09:01:26 -05:00
irq-gic-v3-its.c
irqchip/gic-v3-its: Avoid truncating memory addresses
2026-01-20 10:11:29 +01:00
irq-gic-v3-mbi.c
Merge tag 'irq-msi-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:15:26 -07:00
irq-gic-v3.c
irqchip/gic-v3: Drop support for custom PPI partitions
2025-10-27 17:16:36 +01:00
irq-gic-v4.c
KVM: arm64: WARN if unmapping a vLPI fails in any path
2025-06-20 13:52:29 -07:00
irq-gic-v5-irs.c
Merge tag 'irq-drivers-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-09-30 16:00:29 -07:00
irq-gic-v5-its.c
irqchip/gic-v5: Fix gicv5_its_map_event() ITTE read endianness
2026-01-09 16:10:04 +01:00
irq-gic-v5-iwb.c
irqchip/gic-v5: iwb: Fix iounmap probe failure path
2025-08-05 10:43:48 +02:00
irq-gic-v5.c
irqchip/gic-v5: Drop has_gcie_v3_compat from gic_kvm_info
2025-09-17 17:41:02 +01:00
irq-gic.c
irqchip/gic: Expose CPU interface VA to KVM
2025-11-24 14:29:11 -08:00
irq-goldfish-pic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-hip04.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-i8259.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-idt3243x.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-imgpdc.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-imx-gpcv2.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-imx-intmux.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-imx-irqsteer.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-imx-mu-msi.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-ingenic-tcu.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-ingenic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ixp4xx.c
irqchip: Switch to of_fwnode_handle()
2025-05-16 21:06:07 +02:00
irq-jcore-aic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-keystone.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-lan966x-oic.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-loongarch-avec.c
LoongArch: Add and use some macros for AVEC
2025-12-06 10:39:49 +08:00
irq-loongarch-cpu.c
irqchip: Switch to of_fwnode_handle()
2025-05-16 21:06:07 +02:00
irq-loongson-eiointc.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-loongson-htpic.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-loongson-htvec.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-loongson-liointc.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-loongson-pch-lpc.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-loongson-pch-msi.c
irqchip/loongson-pch-msi.c: Switch to msi_create_parent_irq_domain()
2025-07-03 15:49:24 +02:00
irq-loongson-pch-pic.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-loongson.h
…
irq-lpc32xx.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ls1x.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ls-extirq.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ls-scfg-msi.c
irqchip/ls-scfg-msi: Fix NULL dereference in error handling
2025-07-18 14:54:45 +02:00
irq-madera.c
…
irq-mbigen.c
…
irq-mchp-eic.c
irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()
2025-12-10 12:11:06 +09:00
irq-meson-gpio.c
irqchip/meson-gpio: Add support for Amlogic S6 S7 and S7D SoCs
2025-11-13 14:04:16 +01:00
irq-mips-cpu.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-mips-gic.c
irqchip/mips-gic: Allow forced affinity
2025-06-21 18:20:54 +02:00
irq-mmp.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-mscc-ocelot.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-msi-lib.c
irqchip/msi-lib: Honor the MSI_FLAG_PCI_MSI_MASK_PARENT flag
2025-09-09 14:44:30 +02:00
irq-mst-intc.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-mtk-cirq.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-mtk-sysirq.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-mvebu-gicp.c
irqchip/mvebu-gicp: Fix an IS_ERR() vs NULL check in probe()
2025-08-24 12:00:47 +02:00
irq-mvebu-icu.c
irqchip: Make irq-msi-lib.h globally available
2025-05-16 21:32:19 +02:00
irq-mvebu-odmi.c
Merge tag 'irq-msi-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:15:26 -07:00
irq-mvebu-pic.c
irqchip/mvebu-pic: Drop unused module alias
2025-10-16 18:17:28 +02:00
irq-mvebu-sei.c
irqchip/mvebu: Convert to msi_create_parent_irq_domain() helper
2025-05-16 21:32:20 +02:00
irq-mxs.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-nvic.c
irqchip: Use int type to store negative error codes
2025-09-03 14:10:30 +02:00
irq-omap-intc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-ompic.c
…
irq-or1k-pic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-orion.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-owl-sirq.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-pic32-evic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-pruss-intc.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-qcom-mpm.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-rda-intc.c
…
irq-realtek-rtl.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-renesas-intc-irqpin.c
irqchip/renesas-intc-irqpin: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-18 16:46:09 +02:00
irq-renesas-irqc.c
irqchip/renesas-irqc: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-18 16:46:09 +02:00
irq-renesas-rza1.c
irqchip: Use int type to store negative error codes
2025-09-03 14:10:30 +02:00
irq-renesas-rzg2l.c
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
irq-renesas-rzv2h.c
irqchip/renesas-rzv2h: Prevent TINT spurious interrupt during resume
2026-01-18 10:55:34 +01:00
irq-riscv-aplic-direct.c
irqchip/riscv-aplic: Use riscv_get_hart_index()
2025-06-26 16:06:40 +02:00
irq-riscv-aplic-main.c
…
irq-riscv-aplic-main.h
…
irq-riscv-aplic-msi.c
…
irq-riscv-imsic-early.c
irqchip/riscv-imsic: Inline imsic_vector_from_local_id()
2025-10-16 18:17:28 +02:00
irq-riscv-imsic-platform.c
irqchip/riscv-imsic: Revert "Remove redundant irq_data lookups"
2026-01-13 09:51:46 +01:00
irq-riscv-imsic-state.c
Revert "irqchip/riscv-imsic: Embed the vector array in lpriv"
2026-01-09 16:10:05 +01:00
irq-riscv-imsic-state.h
Revert "irqchip/riscv-imsic: Embed the vector array in lpriv"
2026-01-09 16:10:05 +01:00
irq-riscv-intc.c
irqchip/riscv-intc: Add missing free() callback in riscv_intc_domain_ops
2025-11-14 16:52:34 +01:00
irq-riscv-rpmi-sysmsi.c
irqchip/riscv-rpmi-sysmsi: Add ACPI support
2025-09-25 19:49:19 -06:00
irq-sa11x0.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-sg2042-msi.c
irqchip/sg2042-msi: Set irq type according to DT configuration
2025-09-04 14:52:48 +02:00
irq-sifive-plic.c
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
irq-sl28cpld.c
…
irq-sni-exiu.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-sp7021-intc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-st.c
…
irq-starfive-jh8100-intc.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
irq-stm32-exti.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-stm32mp-exti.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-sun4i.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-sun6i-r.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-sunxi-nmi.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-tb10x.c
Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-05-27 08:07:32 -07:00
irq-tegra.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-ti-sci-inta.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-ti-sci-intr.c
irqchip: Use dev_fwnode()
2025-06-12 15:08:12 +02:00
irq-ts4800.c
irqchip/ts4800: Drop unused module alias
2025-10-16 18:17:28 +02:00
irq-uniphier-aidet.c
irqchip: Switch to of_fwnode_handle()
2025-05-16 21:06:07 +02:00
irq-versatile-fpga.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-vf610-mscm-ir.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-vic.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
irq-vt8500.c
irqchip/irq-vt8500: Switch to irq_domain_create_*()
2025-05-07 15:36:56 +02:00
irq-wpcm450-aic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-xilinx-intc.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-xtensa-mx.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-xtensa-pic.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irq-zevio.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00
irqchip.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
Kconfig
Merge tag 'irq-drivers-2025-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-12-02 09:32:53 -08:00
Makefile
irqchip: Kill irq-partition-percpu
2025-10-27 17:16:36 +01:00
qcom-irq-combiner.c
irqchip/qcom-irq-combiner: Rename driver structure
2025-10-17 15:18:18 +02:00
qcom-pdc.c
irqchip: Pass platform device to platform drivers
2025-10-16 18:17:27 +02:00
spear-shirq.c
irqchip: Switch to irq_domain_create_*()
2025-05-16 21:06:09 +02:00