linux/drivers
Vu Pham f01b9f7339 iser-target: Avoid using FRMR for single dma entry requests
This patch changes isert_reg_rdma_frwr() to not use FRMR for single
dma entry requests from small I/Os, in order to avoid the associated
memory registration overhead.

Using DMA MR is sufficient here for the single dma entry requests,
and addresses a >= v3.12 performance regression.

Signed-off-by: Vu Pham <vu@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-11-12 13:07:52 -08:00
..
accessibility
acpi ACPI / scan: fix typo in comments of acpi_bus_unregister_driver() 2013-09-25 19:46:48 +02:00
amba
ata update contact information for Mikael Pettersson 2013-09-25 13:27:42 -07:00
atm atm: nicstar: fix regression made by previous patch 2013-09-15 22:18:55 -04:00
auxdisplay
base driver core : Fix use after free of dev->parent in device_shutdown 2013-09-26 14:46:11 -07:00
bcma bcma: fix error code handling on 64 Bit systems 2013-09-09 14:44:33 -04:00
block cciss: fix info leak in cciss_ioctl32_passthru() 2013-09-24 17:00:26 -07:00
bluetooth
bus ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
cdrom
char Bug-fixes: 2013-09-25 15:50:53 -07:00
clk The common clk framework changes for 3.12 are dominated by clock driver 2013-09-09 15:49:04 -07:00
clocksource clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast 2013-09-26 02:31:04 +02:00
connector
cpufreq cpufreq: exynos5440: Fix potential NULL pointer dereference 2013-09-25 03:25:58 +02:00
cpuidle ACPI and power management fixes for 3.12-rc1 2013-09-12 11:22:45 -07:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2013-09-07 12:53:35 +10:00
dca
devfreq
dio
dma Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
edac Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-09-06 11:14:33 -07:00
eisa
extcon Driver core patches for 3.12-rc1 2013-09-03 11:37:15 -07:00
firewire
firmware firmware/dmi_scan: drop OOM messages 2013-09-11 15:58:51 -07:00
fmc
gpio Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
gpu Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux 2013-09-29 10:02:40 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2013-09-17 21:54:05 -04:00
hsi
hv Drivers: hv: vmbus: Terminate vmbus version negotiation on timeout 2013-09-26 14:20:22 -07:00
hwmon hwmon: (applesmc) Check key count before proceeding 2013-09-26 03:48:43 -07:00
hwspinlock
i2c i2c: ismt: initialize DMA buffer 2013-09-28 16:32:12 +02:00
ide ide: sgiioc4: Staticize ioc4_ide_attach_one() 2013-09-05 15:21:30 -04:00
idle
iio iio:buffer_cb: Add missing iio_buffer_init() 2013-09-21 12:52:50 +01:00
infiniband iser-target: Avoid using FRMR for single dma entry requests 2013-11-12 13:07:52 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-09-15 07:13:39 -04:00
iommu IOMMU Updates for Linux v3.12 2013-09-12 11:29:26 -07:00
ipack
irqchip ARM: SoC late changes for v3.12 2013-09-09 16:35:29 -07:00
isdn isdn: hfcpci_softirq: get func return to suppress compiler warning 2013-09-15 22:27:04 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2013-09-12 11:35:33 -07:00
lguest lguest: fix guest kernel stack overflow when TF bit set. 2013-09-06 08:09:27 +09:30
macintosh
mailbox mailbox: remove unnecessary platform_set_drvdata() 2013-09-18 12:02:00 -07:00
md A set of device-mapper fixes for 3.12. 2013-09-25 15:12:46 -07:00
media Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
memory ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
memstick memstick: add support for legacy memorysticks 2013-09-11 15:59:35 -07:00
message
mfd Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
misc mei: cancel stall timers in mei_reset 2013-09-26 13:56:53 -07:00
mmc Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
mtd mtd: nand: pxa3xx: Remove unneeded ifdef CONFIG_OF 2013-09-17 09:08:14 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-09-19 13:57:28 -05:00
nfc
ntb ntb: clean up unnecessary MSI/MSI-X capability find 2013-09-05 11:08:01 -07:00
nubus
of Merge branch 'for-v3.12-fix' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2013-09-11 19:11:59 -07:00
oprofile oprofile: get rid of pointless forward declarations of struct super_block 2013-09-03 22:52:48 -04:00
parisc PCI changes for the v3.12 merge window: 2013-09-03 16:24:35 -07:00
parport
pci PCI: Workaround missing pci_set_master in pci drivers 2013-09-28 13:25:30 -07:00
pcmcia
pinctrl PTR_RET() is a weird name, and led to some confusing usage. We ended 2013-09-04 17:31:11 -07:00
platform Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 2013-09-15 17:42:59 -04:00
pnp pnp: change pnp bus pm_ops to invoke pnp driver dev_pm_ops if specified 2013-09-11 15:58:15 -07:00
power Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
pps Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ps3
ptp
pwm ARM: SoC cleanups for 3.12 2013-09-06 13:21:16 -07:00
rapidio
regulator PTR_RET() is a weird name, and led to some confusing usage. We ended 2013-09-04 17:31:11 -07:00
remoteproc
reset
rpmsg
rtc rtc: simplify devm_request_mem_region/devm_ioremap 2013-09-11 15:58:59 -07:00
s390 s390/vmcore: use vmcore for zfcpdump 2013-09-11 15:59:15 -07:00
sbus
scsi target/qla2xxx: Remove QLA_TPG_ATTRIB macro 2013-10-16 13:38:31 -07:00
sfi
sh
sn
spi Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ssb
staging staging: r8188eu: Add new device ID 2013-09-26 16:44:45 -07:00
target target: Add per device xcopy_lun for copy offload I/O 2013-11-08 13:13:38 -08:00
tc
thermal drivers: thermal: add check when unregistering cpu cooling 2013-09-03 09:10:34 -04:00
tty TTY/Serial fixes for 3.12-rc3 2013-09-29 13:47:00 -07:00
uio Driver core patches for 3.12-rc1 2013-09-03 11:37:15 -07:00
usb target: Remove TF_CIT_TMPL macro 2013-10-16 13:35:02 -07:00
uwb
vfio vfio-pci: PCI hot reset interface 2013-09-04 11:28:04 -06:00
vhost target: Remove TF_CIT_TMPL macro 2013-10-16 13:35:02 -07:00
video video: mxsfb: Add missing break 2013-09-26 15:33:23 +03:00
virt
virtio virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM 2013-09-09 10:02:53 +09:30
vlynq
vme
w1 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2013-09-12 08:45:53 -07:00
xen Bug-fixes: 2013-09-25 15:50:53 -07:00
zorro
Kconfig
Makefile