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145ff1ec09
- Removal of the tremendously unpopular read_barrier_depends() barrier,
which is a NOP on all architectures apart from Alpha, in favour of
allowing architectures to override READ_ONCE() and do whatever dance
they need to do to ensure address dependencies provide LOAD ->
LOAD/STORE ordering. This work also offers a potential solution if
compilers are shown to convert LOAD -> LOAD address dependencies into
control dependencies (e.g. under LTO), as weakly ordered architectures
will effectively be able to upgrade READ_ONCE() to smp_load_acquire().
The latter case is not used yet, but will be discussed further at LPC.
- Make the MSI/IOMMU input/output ID translation PCI agnostic, augment
the MSI/IOMMU ACPI/OF ID mapping APIs to accept an input ID
bus-specific parameter and apply the resulting changes to the device
ID space provided by the Freescale FSL bus.
- arm64 support for TLBI range operations and translation table level
hints (part of the ARMv8.4 architecture version).
- Time namespace support for arm64.
- Export the virtual and physical address sizes in vmcoreinfo for
makedumpfile and crash utilities.
- CPU feature handling cleanups and checks for programmer errors
(overlapping bit-fields).
- ACPI updates for arm64: disallow AML accesses to EFI code regions and
kernel memory.
- perf updates for arm64.
- Miscellaneous fixes and cleanups, most notably PLT counting
optimisation for module loading, recordmcount fix to ignore
relocations other than R_AARCH64_CALL26, CMA areas reserved for
gigantic pages on 16K and 64K configurations.
- Trivial typos, duplicate words.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 and cross-arch updates from Catalin Marinas:
"Here's a slightly wider-spread set of updates for 5.9.
Going outside the usual arch/arm64/ area is the removal of
read_barrier_depends() series from Will and the MSI/IOMMU ID
translation series from Lorenzo.
The notable arm64 updates include ARMv8.4 TLBI range operations and
translation level hint, time namespace support, and perf.
Summary:
- Removal of the tremendously unpopular read_barrier_depends()
barrier, which is a NOP on all architectures apart from Alpha, in
favour of allowing architectures to override READ_ONCE() and do
whatever dance they need to do to ensure address dependencies
provide LOAD -> LOAD/STORE ordering.
This work also offers a potential solution if compilers are shown
to convert LOAD -> LOAD address dependencies into control
dependencies (e.g. under LTO), as weakly ordered architectures will
effectively be able to upgrade READ_ONCE() to smp_load_acquire().
The latter case is not used yet, but will be discussed further at
LPC.
- Make the MSI/IOMMU input/output ID translation PCI agnostic,
augment the MSI/IOMMU ACPI/OF ID mapping APIs to accept an input ID
bus-specific parameter and apply the resulting changes to the
device ID space provided by the Freescale FSL bus.
- arm64 support for TLBI range operations and translation table level
hints (part of the ARMv8.4 architecture version).
- Time namespace support for arm64.
- Export the virtual and physical address sizes in vmcoreinfo for
makedumpfile and crash utilities.
- CPU feature handling cleanups and checks for programmer errors
(overlapping bit-fields).
- ACPI updates for arm64: disallow AML accesses to EFI code regions
and kernel memory.
- perf updates for arm64.
- Miscellaneous fixes and cleanups, most notably PLT counting
optimisation for module loading, recordmcount fix to ignore
relocations other than R_AARCH64_CALL26, CMA areas reserved for
gigantic pages on 16K and 64K configurations.
- Trivial typos, duplicate words"
Link: http://lkml.kernel.org/r/20200710165203.31284-1-will@kernel.org
Link: http://lkml.kernel.org/r/20200619082013.13661-1-lorenzo.pieralisi@arm.com
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (82 commits)
arm64: use IRQ_STACK_SIZE instead of THREAD_SIZE for irq stack
arm64/mm: save memory access in check_and_switch_context() fast switch path
arm64: sigcontext.h: delete duplicated word
arm64: ptrace.h: delete duplicated word
arm64: pgtable-hwdef.h: delete duplicated words
bus: fsl-mc: Add ACPI support for fsl-mc
bus/fsl-mc: Refactor the MSI domain creation in the DPRC driver
of/irq: Make of_msi_map_rid() PCI bus agnostic
of/irq: make of_msi_map_get_device_domain() bus agnostic
dt-bindings: arm: fsl: Add msi-map device-tree binding for fsl-mc bus
of/device: Add input id to of_dma_configure()
of/iommu: Make of_map_rid() PCI agnostic
ACPI/IORT: Add an input ID to acpi_dma_configure()
ACPI/IORT: Remove useless PCI bus walk
ACPI/IORT: Make iort_msi_map_rid() PCI agnostic
ACPI/IORT: Make iort_get_device_domain IRQ domain agnostic
ACPI/IORT: Make iort_match_node_callback walk the ACPI namespace for NC
arm64: enable time namespace support
arm64/vdso: Restrict splitting VVAR VMA
arm64/vdso: Handle faults on timens page
...
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|---|---|---|
| .. | ||
| alphascale_asm9260-icoll.h | ||
| exynos-combiner.c | ||
| irq-al-fic.c | ||
| irq-alpine-msi.c | ||
| irq-armada-370-xp.c | ||
| irq-aspeed-i2c-ic.c | ||
| irq-aspeed-scu-ic.c | ||
| irq-aspeed-vic.c | ||
| irq-ath79-cpu.c | ||
| irq-ath79-misc.c | ||
| irq-ativic32.c | ||
| irq-atmel-aic5.c | ||
| irq-atmel-aic-common.c | ||
| irq-atmel-aic-common.h | ||
| irq-atmel-aic.c | ||
| irq-bcm2835.c | ||
| irq-bcm2836.c | ||
| irq-bcm6345-l1.c | ||
| irq-bcm7038-l1.c | ||
| irq-bcm7120-l2.c | ||
| irq-brcmstb-l2.c | ||
| irq-clps711x.c | ||
| irq-crossbar.c | ||
| irq-csky-apb-intc.c | ||
| irq-csky-mpintc.c | ||
| irq-davinci-aintc.c | ||
| irq-davinci-cp-intc.c | ||
| irq-digicolor.c | ||
| irq-dw-apb-ictl.c | ||
| irq-eznps.c | ||
| irq-ftintc010.c | ||
| irq-gic-common.c | ||
| irq-gic-common.h | ||
| irq-gic-pm.c | ||
| irq-gic-realview.c | ||
| irq-gic-v2m.c | ||
| irq-gic-v3-its-fsl-mc-msi.c | ||
| irq-gic-v3-its-pci-msi.c | ||
| irq-gic-v3-its-platform-msi.c | ||
| irq-gic-v3-its.c | ||
| irq-gic-v3-mbi.c | ||
| irq-gic-v3.c | ||
| irq-gic-v4.c | ||
| irq-gic.c | ||
| irq-goldfish-pic.c | ||
| irq-hip04.c | ||
| irq-i8259.c | ||
| irq-imgpdc.c | ||
| irq-imx-gpcv2.c | ||
| irq-imx-intmux.c | ||
| irq-imx-irqsteer.c | ||
| irq-ingenic-tcu.c | ||
| irq-ingenic.c | ||
| irq-ixp4xx.c | ||
| irq-jcore-aic.c | ||
| irq-keystone.c | ||
| irq-loongson-htpic.c | ||
| irq-loongson-htvec.c | ||
| irq-loongson-liointc.c | ||
| irq-loongson-pch-msi.c | ||
| irq-loongson-pch-pic.c | ||
| irq-lpc32xx.c | ||
| irq-ls1x.c | ||
| irq-ls-extirq.c | ||
| irq-ls-scfg-msi.c | ||
| irq-madera.c | ||
| irq-mbigen.c | ||
| irq-meson-gpio.c | ||
| irq-mips-cpu.c | ||
| irq-mips-gic.c | ||
| irq-mmp.c | ||
| irq-mscc-ocelot.c | ||
| irq-mtk-cirq.c | ||
| irq-mtk-sysirq.c | ||
| irq-mvebu-gicp.c | ||
| irq-mvebu-icu.c | ||
| irq-mvebu-odmi.c | ||
| irq-mvebu-pic.c | ||
| irq-mvebu-sei.c | ||
| irq-mxs.c | ||
| irq-nvic.c | ||
| irq-omap-intc.c | ||
| irq-ompic.c | ||
| irq-or1k-pic.c | ||
| irq-orion.c | ||
| irq-partition-percpu.c | ||
| irq-pic32-evic.c | ||
| irq-rda-intc.c | ||
| irq-renesas-h8s.c | ||
| irq-renesas-h8300h.c | ||
| irq-renesas-intc-irqpin.c | ||
| irq-renesas-irqc.c | ||
| irq-renesas-rza1.c | ||
| irq-riscv-intc.c | ||
| irq-s3c24xx.c | ||
| irq-sa11x0.c | ||
| irq-sifive-plic.c | ||
| irq-sirfsoc.c | ||
| irq-sni-exiu.c | ||
| irq-st.c | ||
| irq-stm32-exti.c | ||
| irq-sun4i.c | ||
| irq-sunxi-nmi.c | ||
| irq-tango.c | ||
| irq-tb10x.c | ||
| irq-tegra.c | ||
| irq-ti-sci-inta.c | ||
| irq-ti-sci-intr.c | ||
| irq-ts4800.c | ||
| irq-uniphier-aidet.c | ||
| irq-versatile-fpga.c | ||
| irq-vf610-mscm-ir.c | ||
| irq-vic.c | ||
| irq-vt8500.c | ||
| irq-xilinx-intc.c | ||
| irq-xtensa-mx.c | ||
| irq-xtensa-pic.c | ||
| irq-zevio.c | ||
| irqchip.c | ||
| Kconfig | ||
| Makefile | ||
| qcom-irq-combiner.c | ||
| qcom-pdc.c | ||
| spear-shirq.c | ||