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John Stultz 43d7238fb9 dma-buf: heaps: Add CMA heap to dmabuf heaps 
This adds a CMA heap, which allows userspace to allocate
a dma-buf of contiguous memory out of a CMA region.

This code is an evolution of the Android ION implementation, so
thanks to its original author and maintainters:
  Benjamin Gaignard, Laura Abbott, and others!

NOTE: This patch only adds the default CMA heap. We will enable
selectively adding other CMA memory regions to the dmabuf heaps
interface with a later patch (which requires a dt binding)

Cc: Laura Abbott <labbott@redhat.com>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Liam Mark <lmark@codeaurora.org>
Cc: Pratik Patel <pratikp@codeaurora.org>
Cc: Brian Starkey <Brian.Starkey@arm.com>
Cc: Vincent Donnefort <Vincent.Donnefort@arm.com>
Cc: Sudipto Paul <Sudipto.Paul@arm.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Chenbo Feng <fengc@google.com>
Cc: Alistair Strachan <astrachan@google.com>
Cc: Hridya Valsaraju <hridya@google.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Acked-by: Laura Abbott <labbott@redhat.com>
Tested-by: Ayan Kumar Halder <ayan.halder@arm.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191021190310.85221-5-john.stultz@linaro.org
2019-10-25 17:01:49 +05:30
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accessibility
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acpi
Merge tag 'acpi-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2019-10-18 08:38:26 -07:00
amba
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android
binder: Fix comment headers on binder_alloc_prepare_to_free()
2019-10-10 14:39:23 +02:00
ata
libata/ahci: Fix PCS quirk application
2019-10-15 14:10:19 -06:00
atm
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auxdisplay
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base
drivers/base/memory.c: don't access uninitialized memmaps in soft_offline_page_store()
2019-10-19 06:32:31 -04:00
bcma
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block
zram: fix race between backing_dev_show and backing_dev_store
2019-10-19 06:32:32 -04:00
bluetooth
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bus
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cdrom
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char
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clk
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clocksource
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connector
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counter
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cpufreq
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
2019-10-10 11:11:17 +02:00
cpuidle
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crypto
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dax
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dca
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devfreq
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dio
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dma
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dma-buf
dma-buf: heaps: Add CMA heap to dmabuf heaps
2019-10-25 17:01:49 +05:30
edac
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eisa
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extcon
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firewire
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firmware
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2019-10-15 09:20:07 -07:00
fpga
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fsi
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gnss
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gpio
gpio: lynxpoint: set default handler to be handle_bad_irq()
2019-10-15 01:19:05 +02:00
gpu
drm/ttm: stop exporting ttm_mem_io_* functions
2019-10-25 11:40:51 +02:00
greybus
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hid
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hsi
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hv
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hwmon
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hwspinlock
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hwtracing
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i2c
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i3c
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ide
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idle
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iio
Merge tag 'iio-fixes-for-5.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
2019-10-10 11:18:37 +02:00
infiniband
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input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-10-17 11:18:44 -07:00
interconnect
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iommu
iommu/amd: Check PM_LEVEL_SIZE() condition in locked section
2019-10-18 16:52:37 +02:00
ipack
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irqchip
Merge tag 'irqchip-fixes-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
2019-10-14 20:35:58 +02:00
isdn
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leds
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lightnvm
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macintosh
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mailbox
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mcb
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md
Merge tag 'for-linus-2019-10-18' of git://git.kernel.dk/linux-block
2019-10-18 22:29:36 -04:00
media
Merge v5.4-rc4 into drm-next
2019-10-23 12:10:05 +02:00
memory
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memstick
memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
2019-10-09 11:08:03 +02:00
message
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mfd
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misc
Merge v5.4-rc4 into drm-next
2019-10-23 12:10:05 +02:00
mmc
mmc: sdhci-iproc: fix spurious interrupts on Multiblock reads with bcm2711
2019-10-09 11:05:50 +02:00
mtd
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mux
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net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-19 17:09:11 -04:00
nfc
NFC: pn533: fix use-after-free and memleaks
2019-10-08 16:52:26 -07:00
ntb
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nubus
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nvdimm
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nvme
nvme-pci: Set the prp2 correctly when using more than 4k page
2019-10-18 23:09:41 +09:00
nvmem
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of
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opp
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oprofile
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parisc
parisc: Remove 32-bit DMA enforcement from sba_iommu
2019-10-14 21:44:26 +02:00
parport
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pci
PCI: PM: Fix pci_power_up()
2019-10-15 23:51:36 +02:00
pcmcia
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perf
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phy
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pinctrl
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platform
platform/x86: i2c-multi-instantiate: Fail the probe if no IRQ provided
2019-10-14 15:31:50 +03:00
pnp
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power
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powercap
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pps
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ps3
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ptp
ptp: fix typo of "mechanism" in Kconfig help text
2019-10-07 14:55:46 -04:00
pwm
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rapidio
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ras
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regulator
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remoteproc
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reset
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rpmsg
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rtc
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s390
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-19 17:09:11 -04:00
sbus
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scsi
Merge tag 'mkp-scsi-postmerge' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi
2019-10-18 08:08:53 -07:00
sfi
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sh
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siox
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slimbus
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soc
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soundwire
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spi
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spmi
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ssb
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staging
Merge tag 'staging-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2019-10-12 15:44:46 -07:00
target
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tc
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tee
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thermal
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thunderbolt
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tty
tty: serial: imx: Use platform_get_irq_optional() for optional IRQs
2019-10-10 13:12:28 +02:00
uio
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usb
USB: yurex: fix NULL-derefs on disconnect
2019-10-10 14:24:06 +02:00
vfio
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vhost
vhost/test: stop device before reset
2019-10-13 09:38:27 -04:00
video
Merge tag 'drm-misc-next-2019-10-09-2' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2019-10-11 09:30:53 +10:00
virt
virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr
2019-10-10 14:50:32 +02:00
virtio
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visorbus
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vlynq
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vme
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w1
w1: ds250x: Fix build error without CRC16
2019-10-10 15:35:41 +02:00
watchdog
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xen
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-19 17:09:11 -04:00
zorro
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Kconfig
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Makefile
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