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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-21 19:53:59 +08:00
linux-next/drivers/irqchip
Robin Murphy 3403b0259d irqchip/gic-v3-its: Fix MSI alias accounting
The call to pci_for_each_dma_alias() in the ITS PCI code has aroused
suspicion in the past, and upon closer inspection does turn out to be
completely backwards. Rather than iterating through each RID alias of
the given device, what we actually want to be doing here is iterating
through all the *other* devices which may also alias the same RID, in
order to size the table for the worst case.

Do the right thing by ignoring the initial DMA aliases themselves and
just using that walk to detect an aliasing bridge, then walking back
down the bus topology as necessary to actually count everything else.

Our alias handling still isn't perfect, since we don't account for the
cases of certain bridges only taking ownership of transactions under
particular circumstances, but without completely reworking the ITS code
to cope with the notion of multiple DevIDs per device, it'll have to do.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-06-22 14:13:26 +01:00
..
alphascale_asm9260-icoll.h irqchip/mxs: Add Alphascale ASM9260 support 2015-10-14 09:37:47 +02:00
exynos-combiner.c irqchip/exynos-combiner: Fix usage of __raw IO 2016-06-23 18:26:42 +00:00
irq-alpine-msi.c irqchip/irq-alpine-msi: Don't use <asm-generic/msi.h> 2016-05-11 10:12:25 +01:00
irq-armada-370-xp.c irqchip/armada-xp: Consolidate hotplug state space 2016-12-25 10:47:44 +01:00
irq-aspeed-vic.c irqchip/aspeed-vic: Add irq controller for Aspeed 2016-06-22 18:44:54 +00:00
irq-ath79-cpu.c irqchip/ath79-cpu: Move the CPU IRQ driver from arch/mips/ath79/ 2016-02-17 13:47:19 +00:00
irq-ath79-misc.c irqchip/ath79-misc: Move the MISC driver from arch/mips/ath79/ 2016-02-17 13:44:31 +00:00
irq-atmel-aic5.c irqchip/atmel-aic5: Handle suspend to RAM 2017-04-12 09:12:53 +01:00
irq-atmel-aic-common.c irqchip/atmel-aic: Change return type of aic_common_set_priority() 2016-02-08 15:03:42 +01:00
irq-atmel-aic-common.h irqchip/atmel-aic: Change return type of aic_common_set_priority() 2016-02-08 15:03:42 +01:00
irq-atmel-aic.c irqchip/atmel-aic: Fix potential deadlock in ->xlate() 2016-09-13 16:57:40 +02:00
irq-bcm2835.c irqchip: bcm2835: Avoid arch/arm-specific handle_IRQ 2016-06-04 14:16:59 +00:00
irq-bcm2836.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
irq-bcm6345-l1.c treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
irq-bcm7038-l1.c irqchip/bcm7038-l1: Implement irq_cpu_offline() callback 2016-11-18 14:17:22 +01:00
irq-bcm7120-l2.c treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
irq-brcmstb-l2.c treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
irq-clps711x.c irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip 2016-07-06 17:38:15 +02:00
irq-crossbar.c irqchip/irqdomain updates for 4.11-rc2 2017-03-09 12:06:41 +01:00
irq-digicolor.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-dw-apb-ictl.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-eznps.c irqchip/eznps: Drop pointless static qualifier in nps400_of_init() 2016-10-19 14:24:36 +02:00
irq-ftintc010.c irqchip/faraday: Replace moxa with ftintc010 2017-04-07 10:36:30 +01:00
irq-gic-common.c irqchip/gic: Prepare for adding platform driver 2016-06-13 11:53:52 +01:00
irq-gic-common.h irqchip/gic-v2: Parse and export virtual GIC information 2016-05-03 12:54:21 +02:00
irq-gic-pm.c irqchip/gic-pm: Update driver to use of_pm_clk_add_clk 2016-09-12 19:46:28 +01:00
irq-gic-realview.c irqchip/gic/realview: Support more RealView DCC variants 2016-03-09 09:38:05 +00:00
irq-gic-v2m.c iommu/dma: Add support for mapping MSIs 2016-09-16 09:34:22 +01:00
irq-gic-v3-its-pci-msi.c irqchip/gic-v3-its: Fix MSI alias accounting 2017-06-22 14:13:26 +01:00
irq-gic-v3-its-platform-msi.c irqchip/gic-v3-its: Add IORT hook for platform MSI support 2017-04-07 10:52:21 +01:00
irq-gic-v3-its.c irqchip/gic-v3-its: Keep the include header files in alphabetic order 2017-04-07 10:52:17 +01:00
irq-gic-v3.c irqchip/gic: Consolidate hotplug state space 2016-12-25 10:47:44 +01:00
irq-gic.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
irq-hip04.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
irq-i8259.c irqchip/i8259: Constify irq_domain_ops 2017-06-22 14:12:49 +01:00
irq-imgpdc.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-imx-gpcv2.c irqchip/irq-imx-gpcv2: Constify irq_domain_ops 2017-06-22 14:12:55 +01:00
irq-ingenic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-jcore-aic.c irqchip/jcore: Fix lost per-cpu interrupts 2016-10-14 14:26:55 +02:00
irq-keystone.c irqchip/keystone: Fix "scheduling while atomic" on rt 2016-12-31 18:41:45 +00:00
irq-lpc32xx.c irqchip: Add LPC32xx interrupt controller driver 2016-05-11 10:12:11 +01:00
irq-ls-scfg-msi.c irqchip: Add Layerscape SCFG MSI controller support 2016-05-04 09:58:04 +01:00
irq-mbigen.c irqchip/irq-mbigen: Constify irq_domain_ops 2017-06-22 14:13:00 +01:00
irq-metag-ext.c irqchip/metag-ext: Improve function-level documentation 2016-10-05 11:53:35 +02:00
irq-metag.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-mips-cpu.c irqchip: mips-cpu: Introduce IPI IRQ domain support 2017-04-12 23:12:35 +02:00
irq-mips-gic.c irqchip/irq-mips-gic: Constify irq_domain_ops 2017-06-22 14:13:07 +01:00
irq-mmp.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-mtk-cirq.c irqchip: Add Mediatek mtk-cirq driver 2017-04-07 10:52:22 +01:00
irq-mtk-sysirq.c irqchip/mtk-sysirq: Remove unnecessary barrier when configuring trigger 2017-04-07 10:52:17 +01:00
irq-mvebu-odmi.c irqchip/gic: Return IRQ_SET_MASK_OK_DONE in the set_affinity method 2016-02-19 15:42:29 +00:00
irq-mvebu-pic.c irqchip/mvebu-pic: New driver for Marvell Armada 7K/8K PIC 2016-08-22 22:58:27 +00:00
irq-mxs.c irqchip/mxs: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND 2016-12-31 19:06:44 +00:00
irq-nvic.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-omap-intc.c irqchip/omap-intc: Fix missing <linux/irqchip/irq-omap-intc.h> include 2016-06-13 00:57:23 +00:00
irq-or1k-pic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-orion.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-partition-percpu.c irqchip: Add per-cpu interrupt partitioning library 2016-05-02 13:42:51 +02:00
irq-pic32-evic.c irqchip/irq-pic32-evic: Fix bug with external interrupts. 2016-06-02 18:03:50 +01:00
irq-renesas-h8s.c irqchip/irq-renesas-h8s: Constify irq_domain_ops 2017-06-22 14:13:20 +01:00
irq-renesas-h8300h.c irqchip/irq-renesas-h8300h: Constify irq_domain_ops 2017-06-22 14:13:14 +01:00
irq-renesas-intc-irqpin.c irqchip/renesas-intc-irqpin: Improve clock error handling and reporting 2015-11-24 16:54:19 +00:00
irq-renesas-irqc.c irqchip/renesas-irqc: Move over to nested generic chip 2015-09-29 20:41:00 +02:00
irq-s3c24xx.c irqchip/s3c24xx: Fixup IO accessors for big endian 2016-06-23 18:28:00 +00:00
irq-sa11x0.c ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
irq-sirfsoc.c irqchip/sirfsoc: Fix sparse warnings on __iomem 2016-06-13 00:48:31 +00:00
irq-st.c irqchip/st: Mark st_irq_syscfg_resume() __maybe_unused 2016-12-19 10:55:43 +01:00
irq-stm32-exti.c drivers/irqchip: Add STM32 external interrupts support 2016-09-21 14:13:21 +02:00
irq-sun4i.c irqchip/sun4i: Fix compilation outside of arch/arm 2016-02-02 15:46:40 +01:00
irq-sunxi-nmi.c irqchip/sunxi-nmi: Support sun6i-a31-r-intc compatible 2017-06-22 14:08:17 +01:00
irq-tango.c irqchip/tango: Add support for Sigma Designs SMP86xx/SMP87xx interrupt controller 2016-02-18 01:18:14 +00:00
irq-tb10x.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-tegra.c irqchip/tegra: Fix sparse warnings on __iomem 2016-06-13 00:49:39 +00:00
irq-ts4800.c irqchip/ts4800: Make ts4800_ic_ops static const 2016-02-18 02:09:18 +00:00
irq-versatile-fpga.c irqchip: versatile-fpga: add new compatible for OX810SE SoC 2016-04-26 09:50:51 +02:00
irq-vf610-mscm-ir.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-vic.c irqchip/vic: Improve function-level documentation 2016-10-05 11:53:35 +02:00
irq-vt8500.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-xilinx-intc.c powerpc/virtex: Use generic xilinx irqchip driver 2016-11-29 09:14:50 +00:00
irq-xtensa-mx.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-xtensa-pic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-zevio.c irqchip/zevio: Use irq_data_get_chip_type() helper 2015-12-30 18:29:02 +01:00
irqchip.c irqchip / GIC: Convert the GIC driver to ACPI probing 2015-10-01 02:18:38 +02:00
Kconfig Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
Makefile irqchip: Add Mediatek mtk-cirq driver 2017-04-07 10:52:22 +01:00
qcom-irq-combiner.c irqchip/qcom: Fix error handling 2017-02-19 08:17:25 +01:00
spear-shirq.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00