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OpenVoiceOS/buildroot-external/board/ovos/raspberrypi/kernel.config

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More work and get rpi4 inline
2023-08-21 10:05:43 +02:00
CONFIG_ARCH_SUPPORTS_ACPI=y
CONFIG_ACPI=y
CONFIG_EFI=y
CONFIG_EFI_STUB=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_EFI_PARTITION=y
CONFIG_SYSFB_SIMPLEFB=y
CONFIG_DRM=y
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_SIMPLEDRM=y
CONFIG_FB=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_VFAT_FS=m
CONFIG_EFIVAR_FS=m
CONFIG_VIRTIO=y
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=m
CONFIG_VIRTIO_BLK=y
CONFIG_VIRTIO_BLK_SCSI=y
CONFIG_VIRTIO_CONSOLE=m
CONFIG_VIRTIO_VSOCKETS=m
CONFIG_VIRTIO_MMIO=y
CONFIG_SCSI_VIRTIO=y
CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_HWMON=y
CONFIG_DRM_VIRTIO_GPU=m
CONFIG_HYPERVISOR_GUEST=y
CONFIG_HYPERV=y
CONFIG_HYPERV_UTILS=m
CONFIG_HYPERV_BALLOON=m
CONFIG_HYPERV_KEYBOARD=m
CONFIG_HYPERV_STORAGE=y
CONFIG_HYPERV_NET=y
CONFIG_HYPERV_VSOCKETS=m
CONFIG_PCI_HYPERV=m
CONFIG_PCI_HYPERV_INTERFACE=m
CONFIG_FB_HYPERV=y
[ALL] RealTime kernel/system changes. - Raspberry Pi: Using the RT patches and select RT as PREEMPT - Pipewire changes to upvote itself to prio 95% nice -19 - Other small kernel tweaks and fixes
2024-01-04 13:38:55 +01:00
CONFIG_HAVE_PREEMPT_LAZY=y
CONFIG_PREEMPT_LAZY=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
Switch to a voluntary kernel preemption. The respeaker mic hats and possibly (many) others are using the x-powers ac108 adc chip however the driver of this chip is not compatible with 64bit PREEMPT kernels crashing the drivers with "BUG: scheduling while atomic" spinlock issues. PREEMPT is used for low latency desktops PREEMPT_NONE is used for servers As we are not a (low-latency needed) desktop however not a server as well, the middle ground actually works perfectly fine with the benefit of having a more stable respeaker driver. This accounts for ALL different respeaker HATs except the 2-mic as that one is based on the WM8960 chip which is actually already supported mainline if you want anyway.
2022-02-09 14:15:41 +01:00
# CONFIG_PREEMPT is not set
[ALL] RealTime kernel/system changes. - Raspberry Pi: Using the RT patches and select RT as PREEMPT - Pipewire changes to upvote itself to prio 95% nice -19 - Other small kernel tweaks and fixes
2024-01-04 13:38:55 +01:00
CONFIG_PREEMPT_RT=y
CONFIG_PREEMPT_COUNT=y
CONFIG_PREEMPTION=y