Alexey Dobriyan e2a366a4b0 nvme-pci: slimmer CQ head update ... Update CQ head with pre-increment operator. This saves subtraction of 1 and a few registers. Also update phase with "^= 1". This generates only one RMW instruction. ffffffff815ba150 <nvme_update_cq_head>: ffffffff815ba150: 0f b7 47 70 movzx eax,WORD PTR [rdi+0x70] ffffffff815ba154: 83 c0 01 add eax,0x1 ffffffff815ba157: 66 89 47 70 mov WORD PTR [rdi+0x70],ax ffffffff815ba15b: 66 3b 47 68 cmp ax,WORD PTR [rdi+0x68] ffffffff815ba15f: 74 01 je ffffffff815ba162 <nvme_update_cq_head+0x12> ffffffff815ba161: c3 ret ffffffff815ba162: 31 c0 xor eax,eax ffffffff815ba164: 80 77 74 01 ===> xor BYTE PTR [rdi+0x74],0x1 ffffffff815ba168: 66 89 47 70 mov WORD PTR [rdi+0x70],ax ffffffff815ba16c: c3 ret add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-119 (-119) Function old new delta nvme_poll 690 678 -12 nvme_dev_disable 1230 1177 -53 nvme_irq 613 559 -54 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>		2020-03-26 04:48:06 +09:00
..
accessibility
acpi	ACPI fixes for 5.6-rc4	2020-02-28 09:02:18 -08:00
amba
android	for-5.6/io_uring-vfs-2020-01-29	2020-01-29 18:53:37 -08:00
ata	libata-5.6-2020-02-05	2020-02-06 06:11:50 +00:00
atm	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next	2020-01-28 16:02:33 -08:00
auxdisplay
base	ARM: SoC-related driver updates	2020-02-08 14:04:19 -08:00
bcma	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next	2020-01-28 16:02:33 -08:00
block	SCSI fixes on 20200229	2020-02-29 09:58:47 -06:00
bluetooth	Bluetooth: btrtl: Use kvmalloc for FW allocations	2020-01-24 19:57:53 +01:00
bus	bus: moxtet: fix potential stack buffer overflow	2020-02-15 10:33:19 -08:00
cdrom	scsi: compat_ioctl: cdrom: Replace .ioctl with .compat_ioctl in four appropriate places	2020-02-24 15:06:07 -05:00
char	tpm: Initialize crypto_id of allocated_banks to HASH_ALGO__LAST	2020-02-17 20:47:06 +02:00
clk	ARM: SoC: late updates	2020-02-08 14:17:27 -08:00
clocksource	ARM: SoC: late updates	2020-02-08 14:17:27 -08:00
connector
counter
cpufreq	cpufreq: Fix policy initialization for internal governor drivers	2020-02-27 08:57:48 +01:00
cpuidle	ARM: SoC-related driver updates	2020-02-08 14:04:19 -08:00
crypto	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next	2020-01-28 16:02:33 -08:00
dax	dax: Get rid of fs_dax_get_by_host() helper	2020-01-16 09:52:27 -08:00
dca
devfreq	Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"	2020-02-24 11:14:29 +09:00
dio
dma	ARM: Device-tree updates	2020-02-08 13:58:44 -08:00
dma-buf
edac	EDAC/sysfs: Remove csrow objects on errors	2020-02-13 13:29:41 +01:00
eisa
extcon
firewire
firmware	efi: READ_ONCE rng seed size before munmap	2020-02-26 15:31:43 +01:00
fpga
fsi	fsi: aspeed: add unspecified HAS_IOMEM dependency	2020-02-10 13:45:49 -08:00
gnss
gpio	gpio: sifive: fix static checker warning	2020-02-10 13:54:17 +01:00
gpu	drm/i915 fixes for v5.6-rc4:	2020-02-28 12:40:49 +10:00
greybus
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid	2020-02-27 11:13:27 -08:00
hsi
hv	- Most of the commits here are work to enable host-initiated hibernation	2020-02-03 14:42:03 +00:00
hwmon	hwmon: (w83627ehf) Fix crash seen with W83627DHG-P	2020-02-21 09:16:24 -08:00
hwspinlock	hwspinlock: sirf: Use devm_hwspin_lock_register() to register hwlock controller	2020-01-21 16:16:36 -08:00
hwtracing
i2c	i2c: altera: Fix potential integer overflow	2020-02-13 09:29:30 +01:00
i3c
ide	scsi: compat_ioctl: cdrom: Replace .ioctl with .compat_ioctl in four appropriate places	2020-02-24 15:06:07 -05:00
idle	intel_idle: Introduce 'states_off' module parameter	2020-02-03 11:57:18 +01:00
iio	chrome platform changes for 5.6	2020-02-04 07:17:41 +00:00
infiniband	SCSI fixes on 20200221	2020-02-22 11:00:52 -08:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2020-02-15 16:49:25 -08:00
interconnect
iommu	iommu/arm-smmu: Restore naming of driver parameter prefix	2020-02-19 12:03:21 +01:00
ipack
irqchip	irqchip/gic-v4.1: Avoid 64bit division for the sake of 32bit ARM	2020-02-09 15:47:37 -08:00
isdn	proc: convert everything to "struct proc_ops"	2020-02-04 03:05:26 +00:00
leds	leds: lm3532: add pointer to documentation and fix typo	2020-01-22 21:08:24 +01:00
lightnvm
macintosh	macintosh: therm_windtunnel: fix regression when instantiating devices	2020-02-29 21:13:22 +01:00
mailbox
mcb
md	block-5.6-2020-02-16	2020-02-16 12:35:52 -08:00
media	chrome platform changes for 5.6	2020-02-04 07:17:41 +00:00
memory	mvebu drivers for 5.6 (part 1)	2020-01-16 10:45:44 -08:00
memstick
message	Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net	2020-01-19 22:10:04 +01:00
mfd	chrome platform changes for 5.6	2020-02-04 07:17:41 +00:00
misc	habanalabs: patched cb equals user cb in device memset	2020-02-11 11:12:47 +02:00
mmc	ioremap changes for 5.6	2020-01-27 13:03:00 -08:00
mtd	treewide: remove redundant IS_ERR() before error code check	2020-02-04 03:05:27 +00:00
mux
net	net: dsa: mv88e6xxx: Fix masking of egress port	2020-02-27 12:29:09 -08:00
nfc	nfc: pn544: Fix occasional HW initialization failure	2020-02-19 11:09:27 -08:00
ntb
nubus
nvdimm	mm: Cleanup __put_devmap_managed_page() vs ->page_free()	2020-01-31 10:30:37 -08:00
nvme	nvme-pci: slimmer CQ head update	2020-03-26 04:48:06 +09:00
nvmem	Merge branch 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux	2020-02-07 12:54:13 -08:00
of	ARM: SoC-related driver updates	2020-02-08 14:04:19 -08:00
opp	ioremap changes for 5.6	2020-01-27 13:03:00 -08:00
oprofile
parisc	proc: convert everything to "struct proc_ops"	2020-02-04 03:05:26 +00:00
parport
pci	PCI: brcmstb: Fix build on 32bit ARM platforms with older compilers	2020-02-27 08:06:20 -06:00
pcmcia
perf	perf/smmuv3: Use platform_get_irq_optional() for wired interrupt	2020-02-10 18:14:46 +00:00
phy	treewide: remove redundant IS_ERR() before error code check	2020-02-04 03:05:27 +00:00
pinctrl	pinctrl: fix pxa2xx.c build warnings	2020-02-04 03:05:24 +00:00
platform	platform/chrome: wilco_ec: Include asm/unaligned instead of linux/ path	2020-02-11 09:10:36 +01:00
pnp	proc: convert everything to "struct proc_ops"	2020-02-04 03:05:26 +00:00
power	ARM: SoC platform updates	2020-02-08 13:55:25 -08:00
powercap
pps
ps3
ptp	Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net	2020-01-19 22:10:04 +01:00
pwm	pwm: Remove set but not set variable 'pwm'	2020-01-20 15:40:49 +01:00
rapidio
ras
regulator	- New Drivers	2020-02-03 14:51:57 +00:00
remoteproc	remoteproc: qcom: q6v5-mss: Improve readability of reset_assert	2020-01-24 09:34:07 -08:00
reset
rpmsg	rpmsg: add rpmsg support for mt8183 SCP.	2020-01-20 10:29:56 -08:00
rtc	chrome platform changes for 5.6	2020-02-04 07:17:41 +00:00
s390	SCSI fixes on 20200229	2020-02-29 09:58:47 -06:00
sbus
scsi	scsi: compat_ioctl: cdrom: Replace .ioctl with .compat_ioctl in four appropriate places	2020-02-24 15:06:07 -05:00
sfi
sh
siox
slimbus
soc	soc/tegra: fuse: Fix build with Tegra194 configuration	2020-02-11 15:00:15 -08:00
soundwire	soundwire: cadence: fix kernel-doc parameter descriptions	2020-01-16 17:34:38 +05:30
spi	treewide: remove redundant IS_ERR() before error code check	2020-02-04 03:05:27 +00:00
spmi	spmi: pmic-arb: Set lockdep class for hierarchical irq domains	2020-02-10 13:16:04 +01:00
ssb
staging	staging: rtl8723bs: Remove unneeded goto statements	2020-02-10 10:32:38 -08:00
target	scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"	2020-02-14 17:13:54 -05:00
tc	The main MIPS changes for 5.6:	2020-01-31 11:28:31 -08:00
tee	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2020-02-24 11:40:23 -08:00
thermal	- Fix a SEVERE docs build failure for cpu idle cooling device (Randy Dunlap)	2020-01-31 14:39:21 -08:00
thunderbolt	thunderbolt: Prevent crash if non-active NVMem file is read	2020-02-13 04:59:30 -08:00
tty	vt: selection, close sel_buffer race	2020-02-13 12:10:07 -08:00
uio
usb	USB: misc: iowarrior: add support for the 100 device	2020-02-17 10:44:43 +01:00
vfio	VFIO updates for v5.6-rc1	2020-02-03 22:22:05 +00:00
vhost	vhost: Check docket sk_family instead of call getname	2020-02-22 21:41:42 -08:00
video	Kbuild updates for v5.6 (2nd)	2020-02-09 16:05:50 -08:00
virt
virtio	virtio_balloon: Fix memory leaks on errors in virtballoon_probe()	2020-02-06 03:40:27 -05:00
visorbus
vlynq
vme	Char/Misc driver changes for 5.6-rc1	2020-01-29 10:35:54 -08:00
w1	Char/Misc driver changes for 5.6-rc1	2020-01-29 10:35:54 -08:00
watchdog	ACPI fixes for 5.6-rc4	2020-02-28 09:02:18 -08:00
xen	xen: branch for v5.6-rc3	2020-02-21 16:10:10 -08:00
zorro	Kbuild updates for v5.6 (2nd)	2020-02-09 16:05:50 -08:00
Kconfig
Makefile