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f1d20d8643
linux/drivers
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Jan Beulich f1d20d8643 Xen/gntdev: don't needlessly use kvcalloc() 
Requesting zeroed memory when all of it will be overwritten subsequently
by all ones is a waste of processing bandwidth. In fact, rather than
recording zeroed ->grants[], fill that array too with more appropriate
"invalid" indicators.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/9a726be2-4893-8ffe-0ef1-b70dd1c229b1@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2021-03-10 16:39:29 -06:00
..
accessibility
acpi - Use the newly introduced 'hot' and 'critical' ops for the acpi 2021-02-22 09:39:11 -08:00
amba
android
ata ata: Avoid comma separated statements 2021-01-31 08:05:46 -07:00
atm atm: idt77252: fix build broken on amd64 2021-02-15 12:36:27 -08:00
auxdisplay auxdisplay: Fix duplicate CHARLCD config symbol 2021-01-25 22:14:19 +01:00
base Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
bcma
block xen: branch for v5.12-rc1 2021-02-21 13:06:08 -08:00
bluetooth TTY/Serial driver changes for 5.12-rc1 2021-02-20 21:28:04 -08:00
bus ARM: SoC drivers for v5.12 2021-02-20 18:42:28 -08:00
cdrom block: remove unnecessary argument from blk_execute_rq 2021-01-24 21:52:39 -07:00
char Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-02-21 17:23:56 -08:00
clk This is all driver updates, the majority of which is a bunch of new Qualcomm 2021-02-22 09:45:23 -08:00
clocksource hyperv-next for 5.12 2021-02-21 13:24:39 -08:00
connector
counter counter:ti-eqep: remove floor 2021-01-14 20:56:56 +00:00
cpufreq Merge branch 'pm-opp' into pm 2021-02-15 17:01:46 +01:00
cpuidle
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-02-21 17:23:56 -08:00
dax
dca
devfreq Merge branches 'pm-devfreq' and 'pm-tools' 2021-02-15 17:02:04 +01:00
dio
dma dmaengine dw: Revert "dmaengine: dw: Enable runtime PM" 2021-02-08 17:36:12 +05:30
dma-buf dma-buf: Avoid comma separated statements 2021-02-09 17:14:11 +01:00
edac Merge branch 'edac-misc' into edac-updates-for-v5.12 2021-02-15 10:06:58 +01:00
eisa
extcon
firewire
firmware MMC core: 2021-02-22 09:05:28 -08:00
fpga
fsi
gnss
gpio gpio updates for v5.12 2021-02-22 10:00:46 -08:00
gpu platform-drivers-x86 for v5.12-1 2021-02-22 08:50:01 -08:00
greybus
hid Staging/IIO driver patches for 5.12-rc1 2021-02-20 21:36:51 -08:00
hsi
hv Revert "Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer" 2021-02-15 10:49:11 +00:00
hwmon Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
hwspinlock
hwtracing intel_th: pci: Add Alder Lake-P support 2021-01-21 18:54:43 +01:00
i2c Merge branch 'i2c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2021-02-22 09:02:24 -08:00
i3c I3C for 5.12 2021-02-22 09:52:55 -08:00
ide block: remove unnecessary argument from blk_execute_rq 2021-01-24 21:52:39 -07:00
idle intel_idle: remove definition of DEBUG 2021-01-22 16:46:16 +01:00
iio - Use the newly introduced 'hot' and 'critical' ops for the acpi 2021-02-22 09:39:11 -08:00
infiniband Linux 5.11 2021-02-18 11:19:29 -04:00
input sound updates for 5.12 2021-02-21 14:21:35 -08:00
interconnect
iommu IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
ipack
irqchip irqchip updates for Linux 5.12: 2021-02-15 15:41:56 +01:00
isdn misdn: dsp: select CONFIG_BITREVERSE 2021-01-05 15:50:36 -08:00
leds TTY/Serial driver changes for 5.12-rc1 2021-02-20 21:28:04 -08:00
lightnvm lightnvm: pblk: Replace guid_copy() with export_guid()/import_guid() 2021-02-14 21:27:24 -07:00
macintosh macintosh/adb-iop: Use big-endian autopoll mask 2021-01-25 13:23:38 +01:00
mailbox
mcb
md - Fix DM integrity's HMAC support to provide enhanced security of 2021-02-22 10:22:54 -08:00
media Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
memory IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
memstick
message scsi: message: fusion: Fix 'physical' typos 2021-01-26 23:25:16 -05:00
mfd - Core Frameworks 2021-02-22 09:29:42 -08:00
misc - HDCP 2.2 and HDCP 1.4 Gen12 DP MST support (Anshuman) 2021-01-29 17:05:15 +10:00
mmc MMC core: 2021-02-22 09:05:28 -08:00
most
mtd This pull request contains changes (actually just fixes) for UBIFS 2021-02-21 13:57:08 -08:00
mux
net xen-netback: respect gnttab_map_refs()'s return value 2021-03-03 08:32:11 +01:00
nfc nfc: st-nci: Remove unnecessary variable 2021-02-08 14:56:20 -08:00
ntb
nubus
nvdimm for-5.12/block-2021-02-17 2021-02-21 11:02:48 -08:00
nvme for-5.12/drivers-2021-02-17 2021-02-21 11:06:54 -08:00
nvmem
of Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
opp OPP: Add function to look up required OPP's for a given OPP 2021-02-04 16:30:14 +05:30
parisc
parport parport: fix a kernel-doc markup 2021-01-21 14:06:00 -07:00
pci Xen/gnttab: introduce common INVALID_GRANT_{HANDLE,REF} 2021-03-10 16:39:29 -06:00
pcmcia
perf IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
phy
pinctrl gpio: visconti: Add Toshiba Visconti GPIO support 2021-02-15 11:43:26 +01:00
platform - Use the newly introduced 'hot' and 'critical' ops for the acpi 2021-02-22 09:39:11 -08:00
pnp PNP: pnpbios: Use DEFINE_SPINLOCK() for spinlock 2021-01-22 16:22:57 +01:00
power power-supply: use kobj_to_dev() 2021-01-28 01:31:42 +01:00
powercap powercap: intel_rapl: Use topology interface in rapl_init_domains() 2021-02-12 16:53:01 +01:00
pps
ps3
ptp ptp: ptp_clockmatrix: clean-up - parenthesis around a == b are unnecessary 2021-02-17 13:49:26 -08:00
pwm
rapidio rapidio: fix kernel-doc a markup 2021-01-21 14:06:00 -07:00
ras
regulator - Core Frameworks 2021-02-22 09:29:42 -08:00
remoteproc
reset ARM: SoC drivers for v5.12 2021-02-20 18:42:28 -08:00
rpmsg
rtc RTC for 5.12 2021-02-22 09:54:19 -08:00
s390 SCSI misc on 20210219 2021-02-22 10:24:58 -08:00
sbus
scsi SCSI misc on 20210219 2021-02-22 10:24:58 -08:00
sfi
sh sh/intc: Restore devm_ioremap() alignment 2021-01-06 19:55:29 -05:00
siox
slimbus
soc This is all driver updates, the majority of which is a bunch of new Qualcomm 2021-02-22 09:45:23 -08:00
soundwire
spi spi: Updates for v5.12 2021-02-22 09:19:08 -08:00
spmi
ssb
staging media updates for v5.12-rc1 2021-02-21 14:10:36 -08:00
target SCSI misc on 20210219 2021-02-22 10:24:58 -08:00
tc
tee Simplify i2c acess in OP-TEE driver 2021-02-09 16:10:49 +01:00
thermal - Use the newly introduced 'hot' and 'critical' ops for the acpi 2021-02-22 09:39:11 -08:00
thunderbolt thunderbolt: Changes for v5.12 merge window 2021-02-09 13:00:07 +01:00
tty Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
uio
usb Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
vdpa vdpa/mlx5: Restore the hardware used index after change map 2021-02-05 10:28:04 -05:00
vfio
vhost vhost_net: avoid tx queue stuck when sendmsg fails 2021-01-19 11:13:30 -08:00
video - New Functionality 2021-02-22 09:27:18 -08:00
virt
virtio
visorbus
vlynq
vme
w1
watchdog linux-watchdog 5.12-rc1 tag 2021-02-22 09:07:51 -08:00
xen Xen/gntdev: don't needlessly use kvcalloc() 2021-03-10 16:39:29 -06:00
zorro
Kconfig
Makefile