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linux/drivers/irqchip
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Marc Zyngier e6c24e2d05 irqchip/gic-v4: Correctly deal with set_affinity on lazily-mapped VPEs 
Zenghui points out that a recent change to the way set_affinity is
handled for VPEs has the potential to return an error if the VPE
hasn't been mapped yet (because the guest hasn't emited a MAPTI
command yet), affecting GICv4.0 implementations that rely on the
ITSList feature.

Fix this by making the set_affinity succeed in this case, and
return early, without trying to touch the HW.

Fixes: 1442ee0011 ("irqchip/gic-v4: Don't allow a VMOVP on a dying VPE")
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/all/20241027102220.1858558-1-maz@kernel.org
Link: https://lore.kernel.org/r/aab45cd3-e5ca-58cf-e081-e32a17f5b4e7@huawei.com
2024-10-27 17:30:16 +01:00
..
alphascale_asm9260-icoll.h
exynos-combiner.c
irq-al-fic.c irqchip/al-fic: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:50 -07:00
irq-alpine-msi.c irqchip/alpine-msi: Fix off-by-one in allocation error path 2024-04-09 11:03:15 +02:00
irq-apple-aic.c irqchip/apple-aic: Only access system registers on SoCs which provide them 2024-09-04 20:43:30 +02:00
irq-armada-370-xp.c irqchip/armada-370-xp: Use mpic_is_ipi_available() in mpic_of_init() 2024-08-08 17:15:01 +02:00
irq-aspeed-i2c-ic.c irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value 2022-05-04 16:37:48 +01:00
irq-aspeed-scu-ic.c irqchip/aspeed-scu-ic: Correctly initialise status and enable registers 2023-02-05 10:55:19 +00:00
irq-aspeed-vic.c
irq-ath79-cpu.c
irq-ath79-misc.c
irq-atmel-aic5.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-atmel-aic-common.c of: remove internal arguments from of_property_for_each_u32() 2024-07-25 06:53:47 -05:00
irq-atmel-aic-common.h
irq-atmel-aic.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-bcm2835.c irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND 2024-07-15 15:13:55 +02:00
irq-bcm2836.c irqchip: Use irq_domain_alloc_irqs() 2023-01-11 19:51:39 +01:00
irq-bcm6345-l1.c irqchip/irq-bcm6345-l1: Avoid explicit cpumask allocation on stack 2024-04-24 21:23:49 +02:00
irq-bcm7038-l1.c irqchip/irq-bcm7038-l1: Prefer struct_size over open coded arithmetic 2024-02-13 10:53:15 +01:00
irq-bcm7120-l2.c irqchip/irq-bcm7120-l2: Set IRQ_LEVEL for level triggered interrupts 2023-02-18 14:23:41 +00:00
irq-brcmstb-l2.c irqchip/irq-brcmstb-l2: Avoid saving mask on shutdown 2024-04-24 21:11:48 +02:00
irq-clps711x.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-crossbar.c
irq-csky-apb-intc.c irqchip: Use of_property_read_bool() for boolean properties 2023-04-08 11:07:49 +01:00
irq-csky-mpintc.c
irq-davinci-cp-intc.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-digicolor.c
irq-dw-apb-ictl.c Revert "irqchip/dw-apb-ictl: Support building as module" 2024-06-25 21:30:48 +02:00
irq-ftintc010.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-gic-common.c irqchip/gic-v3: Make distributor priorities variables 2024-06-24 18:16:44 +01:00
irq-gic-common.h Switch ARM/ARM64 over to the modern per device MSI domains: 2024-07-22 14:02:19 -07:00
irq-gic-pm.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-gic-realview.c irqchip/gic/realview: Fix refcount leak in realview_gic_of_init 2022-06-09 17:36:57 +01:00
irq-gic-v2m.c irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init() 2024-08-20 17:05:32 +02:00
irq-gic-v3-its-fsl-mc-msi.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-gic-v3-its-msi-parent.c irqchip/gic-v3-its: Correctly fish out the DID for platform MSI 2024-07-18 20:34:46 +02:00
irq-gic-v3-its.c irqchip/gic-v4: Correctly deal with set_affinity on lazily-mapped VPEs 2024-10-27 17:30:16 +01:00
irq-gic-v3-mbi.c irqchip/gic_v3_mbi: Switch over to parent domain 2024-07-18 20:31:20 +02:00
irq-gic-v3.c Updates for the interrupt subsystem: 2024-09-17 07:09:17 +02:00
irq-gic-v4.c irqchip/gic-v4.1: Replace bare number with ID_AA64PFR0_EL1_GIC_V4P1 2024-08-02 14:54:25 +02:00
irq-gic.c irqchip/gic-v3: Make distributor priorities variables 2024-06-24 18:16:44 +01:00
irq-goldfish-pic.c
irq-hip04.c irqchip/gic-v3: Make distributor priorities variables 2024-06-24 18:16:44 +01:00
irq-i8259.c irqchipr/i8259: Mark i8259_of_init() static 2023-08-21 17:40:30 +01:00
irq-idt3243x.c
irq-imgpdc.c irqchip/imgpdc: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:09 +01:00
irq-imx-gpcv2.c irqchip/irq-imx-gpcv2: Mark fwnode device as not initialized 2023-02-08 13:37:55 +01:00
irq-imx-intmux.c Updates for the MSI interrupt subsystem and RISC-V initial MSI support: 2024-03-11 14:03:03 -07:00
irq-imx-irqsteer.c irqchip/imx-irqsteer: Handle runtime power management correctly 2024-07-15 15:13:56 +02:00
irq-imx-mu-msi.c irqchip/imx-mu-msi: Switch to MSI parent 2024-07-18 20:31:20 +02:00
irq-ingenic-tcu.c
irq-ingenic.c
irq-ixp4xx.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-jcore-aic.c irqchip/jcore-aic: Fix missing allocation of IRQ descriptors 2023-06-17 07:54:48 +01:00
irq-keystone.c irqchip/keystone: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:09 +01:00
irq-lan966x-oic.c irqchip: Add support for LAN966x OIC 2024-06-17 15:48:15 +02:00
irq-loongarch-avec.c irqchip/loongarch-avec: Add AVEC irqchip support 2024-08-23 20:40:27 +02:00
irq-loongarch-cpu.c Updates for the interrupt subsystem: 2024-09-17 07:09:17 +02:00
irq-loongson-eiointc.c irqchip/loongarch-avec: Add AVEC irqchip support 2024-08-23 20:40:27 +02:00
irq-loongson-htpic.c
irq-loongson-htvec.c LoongArch: Move irqchip function prototypes to irq-loongson.h 2024-08-23 20:40:27 +02:00
irq-loongson-liointc.c LoongArch: Move irqchip function prototypes to irq-loongson.h 2024-08-23 20:40:27 +02:00
irq-loongson-pch-lpc.c LoongArch: Move irqchip function prototypes to irq-loongson.h 2024-08-23 20:40:27 +02:00
irq-loongson-pch-msi.c irqchip/loongarch-avec: Add AVEC irqchip support 2024-08-23 20:40:27 +02:00
irq-loongson-pch-pic.c LoongArch: Move irqchip function prototypes to irq-loongson.h 2024-08-23 20:40:27 +02:00
irq-loongson.h irqchip/loongarch-avec: Add AVEC irqchip support 2024-08-23 20:40:27 +02:00
irq-lpc32xx.c
irq-ls1x.c
irq-ls-extirq.c irqchip/ls-extirq: Fix endianness detection 2022-12-05 10:39:52 +00:00
irq-ls-scfg-msi.c irqchip/ls-scfg-msi: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-madera.c irqchip/madera: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-mbigen.c Updates for the interrupt subsystem: 2024-09-17 07:09:17 +02:00
irq-mchp-eic.c irqchip/mchp-eic: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
irq-meson-gpio.c irqchip/meson-gpio: Convert meson_gpio_irq_controller::lock to 'raw_spinlock_t' 2024-07-29 15:43:50 +02:00
irq-mips-cpu.c
irq-mips-gic.c irqchip/mips-gic: Mark gic_irq_domain_free() static 2023-08-21 17:40:20 +01:00
irq-mmp.c irqchip/mmp: Remove non-DT codepath 2023-06-17 07:21:02 +01:00
irq-mscc-ocelot.c irqchip/ocelot: Comment sticky register clearing code 2024-10-02 15:11:07 +02:00
irq-msi-lib.c irqchip/irq-msi-lib: Check for NULL ops in msi_lib_irq_domain_select() 2024-08-23 13:55:15 +02:00
irq-msi-lib.h irqchip/irq-msi-lib: Prepare for DEVICE MSI to replace platform MSI 2024-07-18 20:31:20 +02:00
irq-mst-intc.c
irq-mtk-cirq.c irqchip/irq-mtk-cirq: Add support for System CIRQ on MT8192 2022-11-28 11:44:02 +00:00
irq-mtk-sysirq.c
irq-mvebu-gicp.c irqchip/mvebu-gicp: Switch to MSI parent 2024-07-18 20:31:20 +02:00
irq-mvebu-icu.c irqchip/irq-mvebu-icu: Remove platform MSI leftovers 2024-07-18 20:31:21 +02:00
irq-mvebu-odmi.c irqchip/mvebu-odmi: Switch to parent MSI 2024-07-18 20:31:21 +02:00
irq-mvebu-pic.c irqchip: Add missing MODULE_DESCRIPTION() macros 2024-06-23 17:23:08 +02:00
irq-mvebu-sei.c irqchip/irq-mvebu-sei: Switch to MSI parent 2024-07-18 20:31:21 +02:00
irq-mxs.c irqchip/mxs: Declare icoll_handle_irq() as static 2024-04-23 00:28:14 +02:00
irq-nvic.c
irq-omap-intc.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-ompic.c
irq-or1k-pic.c irqchip: or1k-pic: Undefine mask_ack for level triggered hardware 2022-06-28 17:31:15 +09:00
irq-orion.c irqchip/orion: Use of_address_count() helper 2023-08-21 17:48:59 +01:00
irq-owl-sirq.c
irq-partition-percpu.c
irq-pic32-evic.c A couple of fixes for interrupt chip drivers: 2024-08-04 08:36:57 -07:00
irq-pruss-intc.c irqchip/pruss-intc: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-qcom-mpm.c irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init() 2024-02-13 10:26:15 +01:00
irq-rda-intc.c
irq-realtek-rtl.c irqchip/realtek-rtl: use parent interrupts 2022-09-28 14:17:10 +01:00
irq-renesas-intc-irqpin.c irqchip/renesas-intc-irqpin: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-renesas-irqc.c irqchip/renesas-irqc: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-renesas-rza1.c irqchip/renesas-rza1: Convert to platform_driver::remove_new() callback 2024-02-27 18:12:10 +01:00
irq-renesas-rzg2l.c irqchip/renesas-rzg2l: Fix missing put_device 2024-10-15 23:54:35 +02:00
irq-riscv-aplic-direct.c irqchip/riscv-aplic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-aplic-main.c irqchip/riscv-aplic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-aplic-main.h irqchip/riscv-aplic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-aplic-msi.c irqchip/riscv-aplic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-imsic-early.c irqchip/riscv-imsic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-imsic-platform.c irqchip/riscv-imsic: Fix output text of base address 2024-10-02 15:12:18 +02:00
irq-riscv-imsic-state.c irqchip/riscv-imsic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-imsic-state.h irqchip/riscv-imsic: Add ACPI support 2024-08-27 15:48:36 +02:00
irq-riscv-intc.c irqchip/riscv-intc: Fix SMP=n boot with ACPI 2024-10-15 23:14:25 +02:00
irq-sa11x0.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-sifive-plic.c irqchip/sifive-plic: Unmask interrupt in plic_irq_enable() 2024-10-08 17:49:21 +02:00
irq-sl28cpld.c irqchip/irq-sl28cpld: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:53 -07:00
irq-sni-exiu.c irqchip/exiu: Fix acknowledgment of edge triggered interrupts 2022-05-04 16:33:17 +01:00
irq-sp7021-intc.c irqchip: Add Sunplus SP7021 interrupt controller driver 2022-07-08 14:23:57 +02:00
irq-st.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-starfive-jh8100-intc.c irqchip: Add StarFive external interrupt controller 2024-02-26 15:09:18 +01:00
irq-stm32-exti.c irqchip/stm32-exti: Split MCU and MPU code 2024-06-23 19:49:45 +02:00
irq-stm32mp-exti.c irqchip/stm32mp-exti: Allow building as module 2024-06-24 00:16:43 +02:00
irq-sun4i.c
irq-sun6i-r.c minmax: don't use max() in situations that want a C constant expression 2024-07-28 20:23:27 -07:00
irq-sunxi-nmi.c irqchip: Remove redundant irq_chip::name initialization 2024-03-25 17:38:29 +01:00
irq-tb10x.c irqchip: Remove redundant irq_chip::name initialization 2024-03-25 17:38:29 +01:00
irq-tegra.c irqchip/tegra: Fix overflow implicit truncation warnings 2022-06-15 17:41:11 +02:00
irq-ti-sci-inta.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-ti-sci-intr.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-ts4800.c irqchip: Add missing MODULE_DESCRIPTION() macros 2024-06-23 17:23:08 +02:00
irq-uniphier-aidet.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
irq-versatile-fpga.c irqchip: Remove asmlinkage for handlers registered with set_handle_irq() 2024-07-30 13:35:49 +02:00
irq-vf610-mscm-ir.c
irq-vic.c irqchip/vic: Fix a kernel-doc warning 2024-02-21 18:31:08 +01:00
irq-vt8500.c
irq-wpcm450-aic.c irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init() 2022-11-26 13:29:48 +00:00
irq-xilinx-intc.c irqchip/xilinx: Fix shift out of bounds 2024-08-10 10:39:24 +02:00
irq-xtensa-mx.c irqchip: irq-xtensa-mx: include header for missing prototype 2023-09-20 05:03:20 -07:00
irq-xtensa-pic.c irqchip/irq-xtensa-pic: Clean up 2023-12-12 15:45:39 +01:00
irq-zevio.c
irqchip.c irqchip: Explicitly include correct DT includes 2023-08-21 17:49:11 +01:00
Kconfig irqchip: Remove obsolete config ARM_GIC_V3_ITS_PCI 2024-10-02 15:08:12 +02:00
Makefile irqchip/loongarch-avec: Add AVEC irqchip support 2024-08-23 20:40:27 +02:00
qcom-irq-combiner.c
qcom-pdc.c irqchip/qcom-pdc: Add support for v3.2 HW 2023-09-12 13:38:08 +01:00
spear-shirq.c