44bb576a7a
* refs/heads/tmp-8ca5759: BACKPORT: make 'user_access_begin()' do 'access_ok()' ABI update for 4.19.72 ANDROID: first pass cuttlefish GKI modularization ANDROID: GKI: enable CONFIG_TIPC for x86 ANDROID: GKI: enable CONFIG_SPI for x86 ANDROID: update abi for 4.19.69 ANDROID: update ABI dump UPSTREAM: lib/test_meminit.c: use GFP_ATOMIC in RCU critical section UPSTREAM: mm: slub: Fix slab walking for init_on_free UPSTREAM: lib/test_meminit.c: minor test fixes UPSTREAM: lib/test_meminit.c: fix -Wmaybe-uninitialized false positive UPSTREAM: lib: introduce test_meminit module UPSTREAM: mm: init: report memory auto-initialization features at boot time UPSTREAM: mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options UPSTREAM: arm64: move jump_label_init() before parse_early_param() ANDROID: update ABI dump ANDROID: gki_defconfig: enable CONFIG_QCOM_{COMMAND_DB,RPMH,PDC} ANDROID: cuttlefish: overlayfs: regression ANDROID: gki_defconfig enable CONFIG_SPARSEMEM_VMEMMAP ANDROID: update ABI for EFI, SCHED_TUNE ANDROID: gki_defconfig: Enable SCHED_TUNE ANDROID: gki_defconfig: Minimally enable EFI ANDROID: Add a tracepoint for mapping inode to full path ANDROID: update ABI for CONFIG_NR_CPUS=32 ANDROID: gki_defconfig: set CONFIG_NR_CPUS=32 ANDROID: gki_defconfig: set CONFIG_NR_CPUS=32 (x86_64) ANDROID: update ABI for CONFIG_TIPC ANDROID: gki_defconfig: enable CONFIG_TIPC BACKPORT: arch: add pidfd and io_uring syscalls everywhere ANDROID: update ABI dump UPSTREAM: dma-buf: add show_fdinfo handler UPSTREAM: dma-buf: add DMA_BUF_SET_NAME ioctls UPSTREAM: dma-buf: give each buffer a full-fledged inode ANDROID: Update the expected ABI UPSTREAM: drm/virtio: Fix cache entry creation race. UPSTREAM: drm/virtio: Wake up all waiters when capset response comes in. UPSTREAM: drm/virtio: Ensure cached capset entries are valid before copying. UPSTREAM: drm/virtio: use u64_to_user_ptr macro UPSTREAM: drm/virtio: remove irrelevant DRM_UNLOCKED flag UPSTREAM: drm/virtio: Remove redundant return type UPSTREAM: drm/virtio: allocate fences with GFP_KERNEL UPSTREAM: drm/virtio: add trace events for commands UPSTREAM: drm/virtio: trace drm_fence_emit BACKPORT: drm/virtio: set seqno for dma-fence UPSTREAM: drm/virtio: move drm_connector_update_edid_property() call UPSTREAM: drm/virtio: add missing drm_atomic_helper_shutdown() call. UPSTREAM: drm/virtio: rework resource creation workflow. UPSTREAM: drm/virtio: params struct for virtio_gpu_cmd_create_resource_3d() UPSTREAM: drm/virtio: params struct for virtio_gpu_cmd_create_resource() UPSTREAM: drm/virtio: use struct to pass params to virtio_gpu_object_create() UPSTREAM: drm/virtio: move virtio_gpu_object_{attach, detach} calls. UPSTREAM: drm/virtio: add virtio-gpu-features debugfs file. UPSTREAM: drm/virtio: remove set but not used variable 'vgdev' BACKPORT: drm/virtio: implement prime export UPSTREAM: drm/virtio: remove prime pin/unpin callbacks. UPSTREAM: drm/virtio: implement prime mmap BACKPORT: Revert "drm/virtio: drop prime import/export callbacks" UPSTREAM: drm/virtio: drop prime import/export callbacks UPSTREAM: drm/virtio: do NOT reuse resource ids UPSTREAM: drm/virtio: drop virtio_gpu_fence_cleanup() UPSTREAM: drm/virtio: fix pageflip flush UPSTREAM: drm/virtio: log error responses UPSTREAM: drm/virtio: Add missing virtqueue reset UPSTREAM: drm/virtio: Remove incorrect kfree() UPSTREAM: drm/virtio: switch to generic fbdev emulation UPSTREAM: drm/virtio: virtio_gpu_cmd_resource_create_3d: drop unused fence arg UPSTREAM: drm/virtio: fence: pass plain pointer UPSTREAM: drm/virtio: add edid support UPSTREAM: virtio-gpu: add VIRTIO_GPU_F_EDID feature UPSTREAM: drm/virtio: fix memory leak of vfpriv on error return path UPSTREAM: drm/virtio: bump driver version after explicit synchronization addition UPSTREAM: drm/virtio: add in/out fence support for explicit synchronization UPSTREAM: drm/virtio: add uapi for in and out explicit fences UPSTREAM: drm/virtio: add virtio_gpu_alloc_fence() UPSTREAM: drm/virtio: Use IDAs more efficiently UPSTREAM: drm/virtio: Handle error from virtio_gpu_resource_id_get UPSTREAM: gpu/drm/virtio/virtgpu_vq.c: Use kmem_cache_zalloc UPSTREAM: drm/virtio: Handle context ID allocation errors UPSTREAM: drm/virtio: Replace IDRs with IDAs UPSTREAM: drm/virtio: fix resource id handling UPSTREAM: drm/virtio: drop resource_id argument. UPSTREAM: drm/virtio: use virtio_gpu_object->hw_res_handle in virtio_gpu_resource_create_ioctl() UPSTREAM: drm/virtio: use virtio_gpu_object->hw_res_handle in virtio_gpu_mode_dumb_create() UPSTREAM: drm/virtio: use virtio_gpu_object->hw_res_handle in virtio_gpufb_create() BACKPORT: drm/virtio: track created object state UPSTREAM: drm/virtio: document drm_dev_set_unique workaround UPSTREAM: virtio: Support prime objects vmap/vunmap BACKPORT: virtio: Rework virtio_gpu_object_kmap() UPSTREAM: drm/virtio: pass virtio_gpu_object to virtio_gpu_cmd_transfer_to_host_{2d, 3d} UPSTREAM: drm/virtio: add dma sync for dma mapped virtio gpu framebuffer pages UPSTREAM: drm/virtio: Remove set but not used variable 'bo' UPSTREAM: drm/virtio: add iommu support. UPSTREAM: drm/virtio: add virtio_gpu_object_detach() function UPSTREAM: drm/virtio: track virtual output state UPSTREAM: drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset() UPSTREAM: drm/virtio: Replace ttm_bo_unref with ttm_bo_put UPSTREAM: drm/virtio: Replace ttm_bo_reference with ttm_bo_get UPSTREAM: drm/virtio: Replace drm_dev_unref with drm_dev_put UPSTREAM: gpu: drm: virtio: code cleanup UPSTREAM: drm: byteorder: add DRM_FORMAT_HOST_* UPSTREAM: drm: add drm_connector_attach_edid_property() UPSTREAM: drm/prime: Add drm_gem_prime_mmap() ANDROID: Remove unused cuttlefish build infra f2fs: fix build error on android tracepoints ANDROID: sched/fair: Cap transient util in stune ANDROID: update ABI for 4.19.66 Adding GKI Ramdisk to gki config ANDROID: Removed unnecessary modules from cuttlefish. UPSTREAM: pidfd: fix a poll race when setting exit_state BACKPORT: arch: wire-up pidfd_open() UPSTREAM: pid: add pidfd_open() UPSTREAM: pidfd: add polling support UPSTREAM: signal: improve comments UPSTREAM: fork: do not release lock that wasn't taken UPSTREAM: signal: support CLONE_PIDFD with pidfd_send_signal UPSTREAM: clone: add CLONE_PIDFD UPSTREAM: Make anon_inodes unconditional UPSTREAM: signal: use fdget() since we don't allow O_PATH UPSTREAM: signal: don't silently convert SI_USER signals to non-current pidfd BACKPORT: signal: add pidfd_send_signal() syscall Conflicts: arch/arm64/configs/cuttlefish_defconfig arch/x86/configs/x86_64_cuttlefish_defconfig arch/x86/entry/syscalls/syscall_64.tbl build.config.cuttlefish.aarch64 build.config.cuttlefish.x86_64 drivers/dma-buf/dma-buf.c fs/userfaultfd.c include/linux/dma-buf.h kernel/sched/fair.c Change-Id: I65d7949be7c228000f94ad9118f2d80a8fa45a1b Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>
284 lines
9.1 KiB
Plaintext
284 lines
9.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
|
|
menu "Generic Driver Options"
|
|
|
|
config UEVENT_HELPER
|
|
bool "Support for uevent helper"
|
|
default y
|
|
help
|
|
The uevent helper program is forked by the kernel for
|
|
every uevent.
|
|
Before the switch to the netlink-based uevent source, this was
|
|
used to hook hotplug scripts into kernel device events. It
|
|
usually pointed to a shell script at /sbin/hotplug.
|
|
This should not be used today, because usual systems create
|
|
many events at bootup or device discovery in a very short time
|
|
frame. One forked process per event can create so many processes
|
|
that it creates a high system load, or on smaller systems
|
|
it is known to create out-of-memory situations during bootup.
|
|
|
|
config UEVENT_HELPER_PATH
|
|
string "path to uevent helper"
|
|
depends on UEVENT_HELPER
|
|
default ""
|
|
help
|
|
To disable user space helper program execution at by default
|
|
specify an empty string here. This setting can still be altered
|
|
via /proc/sys/kernel/hotplug or via /sys/kernel/uevent_helper
|
|
later at runtime.
|
|
|
|
config DEVTMPFS
|
|
bool "Maintain a devtmpfs filesystem to mount at /dev"
|
|
help
|
|
This creates a tmpfs/ramfs filesystem instance early at bootup.
|
|
In this filesystem, the kernel driver core maintains device
|
|
nodes with their default names and permissions for all
|
|
registered devices with an assigned major/minor number.
|
|
Userspace can modify the filesystem content as needed, add
|
|
symlinks, and apply needed permissions.
|
|
It provides a fully functional /dev directory, where usually
|
|
udev runs on top, managing permissions and adding meaningful
|
|
symlinks.
|
|
In very limited environments, it may provide a sufficient
|
|
functional /dev without any further help. It also allows simple
|
|
rescue systems, and reliably handles dynamic major/minor numbers.
|
|
|
|
Notice: if CONFIG_TMPFS isn't enabled, the simpler ramfs
|
|
file system will be used instead.
|
|
|
|
config DEVTMPFS_MOUNT
|
|
bool "Automount devtmpfs at /dev, after the kernel mounted the rootfs"
|
|
depends on DEVTMPFS
|
|
help
|
|
This will instruct the kernel to automatically mount the
|
|
devtmpfs filesystem at /dev, directly after the kernel has
|
|
mounted the root filesystem. The behavior can be overridden
|
|
with the commandline parameter: devtmpfs.mount=0|1.
|
|
This option does not affect initramfs based booting, here
|
|
the devtmpfs filesystem always needs to be mounted manually
|
|
after the rootfs is mounted.
|
|
With this option enabled, it allows to bring up a system in
|
|
rescue mode with init=/bin/sh, even when the /dev directory
|
|
on the rootfs is completely empty.
|
|
|
|
config STANDALONE
|
|
bool "Select only drivers that don't need compile-time external firmware"
|
|
default y
|
|
help
|
|
Select this option if you don't have magic firmware for drivers that
|
|
need it.
|
|
|
|
If unsure, say Y.
|
|
|
|
config PREVENT_FIRMWARE_BUILD
|
|
bool "Disable drivers features which enable custom firmware building"
|
|
default y
|
|
help
|
|
Say yes to disable driver features which enable building a custom
|
|
driver firmware at kernel build time. These drivers do not use the
|
|
kernel firmware API to load firmware (CONFIG_FW_LOADER), instead they
|
|
use their own custom loading mechanism. The required firmware is
|
|
usually shipped with the driver, building the driver firmware
|
|
should only be needed if you have an updated firmware source.
|
|
|
|
Firmware should not be being built as part of kernel, these days
|
|
you should always prevent this and say Y here. There are only two
|
|
old drivers which enable building of its firmware at kernel build
|
|
time:
|
|
|
|
o CONFIG_WANXL through CONFIG_WANXL_BUILD_FIRMWARE
|
|
o CONFIG_SCSI_AIC79XX through CONFIG_AIC79XX_BUILD_FIRMWARE
|
|
|
|
source "drivers/base/firmware_loader/Kconfig"
|
|
|
|
config FW_CACHE
|
|
bool "Enable firmware caching during suspend"
|
|
depends on PM_SLEEP
|
|
default n
|
|
|
|
config WANT_DEV_COREDUMP
|
|
bool
|
|
help
|
|
Drivers should "select" this option if they desire to use the
|
|
device coredump mechanism.
|
|
|
|
config ALLOW_DEV_COREDUMP
|
|
bool "Allow device coredump" if EXPERT
|
|
default y
|
|
help
|
|
This option controls if the device coredump mechanism is available or
|
|
not; if disabled, the mechanism will be omitted even if drivers that
|
|
can use it are enabled.
|
|
Say 'N' for more sensitive systems or systems that don't want
|
|
to ever access the information to not have the code, nor keep any
|
|
data.
|
|
|
|
If unsure, say Y.
|
|
|
|
config DEV_COREDUMP
|
|
bool
|
|
default y if WANT_DEV_COREDUMP
|
|
depends on ALLOW_DEV_COREDUMP
|
|
|
|
config DEBUG_DRIVER
|
|
bool "Driver Core verbose debug messages"
|
|
depends on DEBUG_KERNEL
|
|
help
|
|
Say Y here if you want the Driver core to produce a bunch of
|
|
debug messages to the system log. Select this if you are having a
|
|
problem with the driver core and want to see more of what is
|
|
going on.
|
|
|
|
If you are unsure about this, say N here.
|
|
|
|
config DEBUG_DEVRES
|
|
bool "Managed device resources verbose debug messages"
|
|
depends on DEBUG_KERNEL
|
|
help
|
|
This option enables kernel parameter devres.log. If set to
|
|
non-zero, devres debug messages are printed. Select this if
|
|
you are having a problem with devres or want to debug
|
|
resource management for a managed device. devres.log can be
|
|
switched on and off from sysfs node.
|
|
|
|
If you are unsure about this, Say N here.
|
|
|
|
config DEBUG_TEST_DRIVER_REMOVE
|
|
bool "Test driver remove calls during probe (UNSTABLE)"
|
|
depends on DEBUG_KERNEL
|
|
help
|
|
Say Y here if you want the Driver core to test driver remove functions
|
|
by calling probe, remove, probe. This tests the remove path without
|
|
having to unbind the driver or unload the driver module.
|
|
|
|
This option is expected to find errors and may render your system
|
|
unusable. You should say N here unless you are explicitly looking to
|
|
test this functionality.
|
|
|
|
source "drivers/base/test/Kconfig"
|
|
|
|
config SYS_HYPERVISOR
|
|
bool
|
|
default n
|
|
|
|
config GENERIC_CPU_DEVICES
|
|
bool
|
|
default n
|
|
|
|
config GENERIC_CPU_AUTOPROBE
|
|
bool
|
|
|
|
config GENERIC_CPU_VULNERABILITIES
|
|
bool
|
|
|
|
config SOC_BUS
|
|
bool
|
|
select GLOB
|
|
|
|
source "drivers/base/regmap/Kconfig"
|
|
|
|
config DMA_SHARED_BUFFER
|
|
bool
|
|
default n
|
|
select IRQ_WORK
|
|
help
|
|
This option enables the framework for buffer-sharing between
|
|
multiple drivers. A buffer is associated with a file using driver
|
|
APIs extension; the file's descriptor can then be passed on to other
|
|
driver.
|
|
|
|
config DMA_FENCE_TRACE
|
|
bool "Enable verbose DMA_FENCE_TRACE messages"
|
|
depends on DMA_SHARED_BUFFER
|
|
help
|
|
Enable the DMA_FENCE_TRACE printks. This will add extra
|
|
spam to the console log, but will make it easier to diagnose
|
|
lockup related problems for dma-buffers shared across multiple
|
|
devices.
|
|
|
|
config DMA_CMA
|
|
bool "DMA Contiguous Memory Allocator"
|
|
depends on HAVE_DMA_CONTIGUOUS && CMA
|
|
help
|
|
This enables the Contiguous Memory Allocator which allows drivers
|
|
to allocate big physically-contiguous blocks of memory for use with
|
|
hardware components that do not support I/O map nor scatter-gather.
|
|
|
|
You can disable CMA by specifying "cma=0" on the kernel's command
|
|
line.
|
|
|
|
For more information see <include/linux/dma-contiguous.h>.
|
|
If unsure, say "n".
|
|
|
|
if DMA_CMA
|
|
comment "Default contiguous memory area size:"
|
|
|
|
config CMA_SIZE_MBYTES
|
|
int "Size in Mega Bytes"
|
|
depends on !CMA_SIZE_SEL_PERCENTAGE
|
|
default 0 if X86
|
|
default 16
|
|
help
|
|
Defines the size (in MiB) of the default memory area for Contiguous
|
|
Memory Allocator. If the size of 0 is selected, CMA is disabled by
|
|
default, but it can be enabled by passing cma=size[MG] to the kernel.
|
|
|
|
|
|
config CMA_SIZE_PERCENTAGE
|
|
int "Percentage of total memory"
|
|
depends on !CMA_SIZE_SEL_MBYTES
|
|
default 0 if X86
|
|
default 10
|
|
help
|
|
Defines the size of the default memory area for Contiguous Memory
|
|
Allocator as a percentage of the total memory in the system.
|
|
If 0 percent is selected, CMA is disabled by default, but it can be
|
|
enabled by passing cma=size[MG] to the kernel.
|
|
|
|
choice
|
|
prompt "Selected region size"
|
|
default CMA_SIZE_SEL_MBYTES
|
|
|
|
config CMA_SIZE_SEL_MBYTES
|
|
bool "Use mega bytes value only"
|
|
|
|
config CMA_SIZE_SEL_PERCENTAGE
|
|
bool "Use percentage value only"
|
|
|
|
config CMA_SIZE_SEL_MIN
|
|
bool "Use lower value (minimum)"
|
|
|
|
config CMA_SIZE_SEL_MAX
|
|
bool "Use higher value (maximum)"
|
|
|
|
endchoice
|
|
|
|
config CMA_ALIGNMENT
|
|
int "Maximum PAGE_SIZE order of alignment for contiguous buffers"
|
|
range 4 12
|
|
default 8
|
|
help
|
|
DMA mapping framework by default aligns all buffers to the smallest
|
|
PAGE_SIZE order which is greater than or equal to the requested buffer
|
|
size. This works well for buffers up to a few hundreds kilobytes, but
|
|
for larger buffers it just a memory waste. With this parameter you can
|
|
specify the maximum PAGE_SIZE order for contiguous buffers. Larger
|
|
buffers will be aligned only to this specified order. The order is
|
|
expressed as a power of two multiplied by the PAGE_SIZE.
|
|
|
|
For example, if your system defaults to 4KiB pages, the order value
|
|
of 8 means that the buffers will be aligned up to 1MiB only.
|
|
|
|
If unsure, leave the default value "8".
|
|
|
|
endif
|
|
|
|
config GENERIC_ARCH_TOPOLOGY
|
|
bool
|
|
help
|
|
Enable support for architectures common topology code: e.g., parsing
|
|
CPU capacity information from DT, usage of such information for
|
|
appropriate scaling, sysfs interface for changing capacity values at
|
|
runtime.
|
|
|
|
endmenu
|