Chris Wilson fa545cbf97 drm/i915: Refactor activity tracking for requests ... With the introduction of requests, we amplified the number of atomic refcounted objects we use and update every execbuffer; from none to several references, and a set of references that need to be changed. We also introduced interesting side-effects in the order of retiring requests and objects. Instead of independently tracking the last request for an object, track the active objects for each request. The object will reside in the buffer list of its most recent active request and so we reduce the kref interchange to a list_move. Now retirements are entirely driven by the request, dramatically simplifying activity tracking on the object themselves, and removing the ambiguity between retiring objects and retiring requests. Furthermore with the consolidation of managing the activity tracking centrally, we can look forward to using RCU to enable lockless lookup of the current active requests for an object. In the future, we will be able to query the status or wait upon rendering to an object without even touching the struct_mutex BKL. All told, less code, simpler and faster, and more extensible. v2: Add a typedef for the function pointer for convenience later. v3: Make the noop retirement callback explicit. Allow passing NULL to the init_request_active() which is expanded to a common noop function. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-16-git-send-email-chris@chris-wilson.co.uk		2016-08-04 08:09:25 +01:00
..
accessibility
acpi	Merge branches 'acpica-fixes', 'acpi-video' and 'acpi-processor'	2016-06-03 22:35:05 +02:00
amba
android
ata	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
atm	atm: iphase: off by one in rx_pkt()	2016-05-31 11:52:59 -07:00
auxdisplay
base	More power management updates for v4.7-rc1	2016-05-25 15:29:21 -07:00
bcma	MTD updates for v4.7:	2016-05-24 11:00:20 -07:00
block	DAX error handling for 4.7	2016-05-26 19:34:26 -07:00
bluetooth	Bluetooth: Add USB ID 13D3:3487 to ath3k	2016-05-13 16:54:59 +02:00
bus	Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus	2016-05-19 10:02:26 -07:00
cdrom
char	drm/i915: Add support for mapping an object page by page	2016-06-13 10:03:54 +01:00
clk	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
clocksource	Small release overall.	2016-05-19 11:27:09 -07:00
connector
cpufreq	Merge branch 'pm-cpufreq-fixes'	2016-06-03 22:34:18 +02:00
cpuidle	cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()	2016-05-18 02:48:37 +02:00
crypto	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2016-05-30 15:20:18 -07:00
dax	/dev/dax, core: file operations and dax-mmap	2016-05-20 22:02:55 -07:00
dca
devfreq
dio
dma	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
dma-buf	dma-buf: remove dma_buf_debugfs_create_file()	2016-06-20 22:26:37 +05:30
edac	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2016-05-17 17:05:30 -07:00
eisa
extcon
firewire
firmware	driver core update for 4.7-rc1	2016-05-20 21:26:15 -07:00
fmc
fpga
gpio	gpio: drop lock before reading GPIO direction	2016-05-30 17:11:59 +02:00
gpu	drm/i915: Refactor activity tracking for requests	2016-08-04 08:09:25 +01:00
hid	Merge branch 'for-4.7/wacom' into for-linus	2016-05-17 12:42:27 +02:00
hsi
hv
hwmon	Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging	2016-05-26 09:48:23 -07:00
hwspinlock	drivers/hwspinlock: use correct radix tree API	2016-05-20 17:58:30 -07:00
hwtracing	Char / Misc driver update for 4.7-rc1	2016-05-20 21:20:31 -07:00
i2c	i2c: dev: use after free in detach	2016-05-28 17:37:42 +02:00
ide
idle
iio	Staging and IIO driver update for 4.7-rc1	2016-05-20 22:20:48 -07:00
infiniband	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2016-05-28 12:04:17 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2016-05-27 19:14:35 -07:00
iommu	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
ipack
irqchip	irqchip/irq-pic32-evic: Fix bug with external interrupts.	2016-06-02 18:03:50 +01:00
isdn	TTY and Serial driver update for 4.7-rc1	2016-05-20 20:57:27 -07:00
leds	pwm: Changes for v4.7-rc1	2016-05-25 10:40:15 -07:00
lguest
lightnvm
macintosh
mailbox
mcb
md	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2016-05-27 14:28:09 -07:00
media	[media] omap_vout: Switch to use the video/omapfb_dss.h header file	2016-06-03 16:06:39 +03:00
memory	MTD updates for v4.7:	2016-05-24 11:00:20 -07:00
memstick	drivers/memstick/core/mspro_block: use kmemdup	2016-05-23 17:04:14 -07:00
message	SCSI misc on 20160517	2016-05-18 16:38:59 -07:00
mfd	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
misc	Char / Misc driver update for 4.7-rc1	2016-05-20 21:20:31 -07:00
mmc	mmc: sunxi: Re-enable eMMC HS-DDR modes on Allwinner A80	2016-06-02 10:40:20 +02:00
mtd	This pull request contains mostly cleanups and minor	2016-05-27 18:49:29 -07:00
net	Linux 4.7-rc2	2016-06-09 11:01:49 +10:00
nfc
ntb
nubus
nvdimm	DAX error handling for 4.7	2016-05-26 19:34:26 -07:00
nvme	nvme/host: Add missing blk_integrity tag_size + flags assignments	2016-05-17 17:14:21 -06:00
nvmem	remove lots of IS_ERR_VALUE abuses	2016-05-27 15:26:11 -07:00
of	MTD updates for v4.7:	2016-05-24 11:00:20 -07:00
oprofile
parisc
parport
pci	Char / Misc driver update for 4.7-rc1	2016-05-20 21:20:31 -07:00
pcmcia
perf	drivers/perf: arm_pmu: Avoid leaking pmu->irq_affinity on error	2016-06-03 10:16:21 +01:00
phy	USB patches for 4.7-rc1	2016-05-20 21:12:25 -07:00
pinctrl	pinctrl: mediatek: fix dual-edge code defect	2016-05-31 10:13:45 +02:00
platform	platform/chrome: Driver and binding changes for 4.7	2016-05-28 12:32:01 -07:00
pnp	driver core update for 4.7-rc1	2016-05-20 21:26:15 -07:00
power	power supply and reset changes for the v4.7 series	2016-05-20 14:06:21 -07:00
powercap	Power management material for v4.7-rc1	2016-05-16 19:17:22 -07:00
pps
ps3
ptp	ptp: oops in ptp_ioctl()	2016-05-29 22:32:27 -07:00
pwm	pwm: Changes for v4.7-rc1	2016-05-25 10:40:15 -07:00
rapidio
ras
regulator	regulator: pwm: Use pwm_get_args() where appropriate	2016-05-17 14:45:02 +02:00
remoteproc	remoteproc: Add additional crash reasons	2016-05-12 15:50:19 -07:00
reset
rpmsg
rtc	rtc: tps6586x: rename so module can be autoloaded	2016-05-21 17:07:17 +02:00
s390	DAX error handling for 4.7	2016-05-26 19:34:26 -07:00
sbus	openprom: fix warning	2016-05-20 18:33:37 -07:00
scsi	SCSI fixes on 20160529	2016-05-29 13:28:39 -07:00
sfi
sh
sn
soc	soc: mtk-pmic-wrap: avoid integer overflow warning	2016-05-19 15:20:24 +02:00
spi	sound updates #2 for 4.7-rc1	2016-05-28 12:23:12 -07:00
spmi
ssb
staging	dma-buf/fence: make fence context 64 bit v2	2016-06-02 08:27:41 +02:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2016-05-28 12:04:17 -07:00
tc
thermal	Merge branches 'acpica-fixes', 'acpi-video' and 'acpi-processor'	2016-06-03 22:35:05 +02:00
thunderbolt
tty	devpts: Make each mount of devpts an independent filesystem.	2016-06-05 10:36:01 -07:00
uio
usb	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2016-05-28 12:04:17 -07:00
uwb
vfio	vfio/pci: Allow VPD short read	2016-05-31 21:25:52 -06:00
vhost	target: make close_session optional	2016-05-10 01:19:26 -07:00
video	Merge omapdss header refactoring	2016-06-07 12:42:58 +03:00
virt
virtio	virtio_balloon: fix PFN format for virtio-1	2016-05-22 19:44:13 +03:00
vlynq
vme
w1
watchdog	Merge git://www.linux-watchdog.org/linux-watchdog	2016-05-25 10:19:17 -07:00
xen	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2016-05-28 12:04:17 -07:00
zorro
Kconfig	libnvdimm for 4.7	2016-05-23 11:18:01 -07:00
Makefile	/dev/dax, pmem: direct access to persistent memory	2016-05-20 22:02:53 -07:00