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7ae4b866f86f9ab7b99484b56dd303a860ad1cc9
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Michael S. Tsirkin 7ae4b866f8 virtio: return correct capacity to users 
We can't rely on indirect buffers for capacity
calculations because they need a memory allocation
which might fail.  In particular, virtio_net can get
into this situation under stress, and it drops packets
and performs badly.

So return the number of buffers we can guarantee users.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reported-By: Krishna Kumar2 <krkumar2@in.ibm.com>
2010-11-24 15:21:11 +10:30
..
accessibility
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acpi
ACPI: debugfs custom_method open to non-root
2010-11-13 09:52:16 -08:00
amba
ARM: 6368/1: move the PrimeCell IDs to use macros
2010-10-08 10:02:27 +01:00
ata
sata_via: apply magic FIFO fix to vt6420 too
2010-11-19 13:16:26 -05:00
atm
solos: Refuse to upgrade firmware with older FPGA. It doesn't work.
2010-11-08 12:17:05 -08:00
auxdisplay
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base
PM: Allow devices to be removed during late suspend and early resume
2010-11-11 01:50:53 +01:00
block
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
bluetooth
Bluetooth: Add MacBookAir3,1(2) support
2010-11-09 01:08:53 -02:00
cdrom
cdrom: gdrom: ctrl_in/outX to __raw_read/writeX conversion.
2010-10-27 14:33:39 +09:00
char
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
clocksource
ARM: shmobile: remove sh_timer_config clk member
2010-10-31 10:40:39 -04:00
connector
connector: remove lazy workqueue creation
2010-10-24 14:20:01 -07:00
cpufreq
[CPUFREQ] add sampling_down_factor tunable to improve ondemand performance
2010-10-22 11:44:47 -04:00
cpuidle
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crypto
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2010-11-13 09:55:56 -08:00
dca
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dio
…
dma
drivers/dma/Kconfig: add part number for Topcliff.
2010-10-29 14:14:02 -07:00
edac
Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/i7core
2010-10-26 10:13:48 -07:00
eisa
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firewire
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
firmware
dmi: log board, system, and BIOS information
2010-10-27 18:03:05 -07:00
gpio
gpio: Add VIA VX855 GPIO driver
2010-10-29 00:29:51 +02:00
gpu
Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel
2010-11-19 10:28:13 -08:00
hid
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
hwmon
hwmon: (w83795) Check for BEEP pin availability
2010-11-15 21:38:57 +01:00
i2c
i2c: Sanity checks on adapter registration
2010-11-15 22:40:38 +01:00
ide
ide: clean up timed out request handling
2010-10-26 10:17:30 -07:00
idle
Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6
2010-10-26 17:28:07 -07:00
ieee802154
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infiniband
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2010-11-19 10:31:04 -08:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2010-11-05 15:25:48 -07:00
leds
drivers/leds/leds-gpio.c: properly initialize return value
2010-11-12 07:55:32 -08:00
lguest
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
macintosh
drivers/macintosh/adb-iop.c: flags should be unsigned long
2010-11-12 07:55:30 -08:00
mca
…
md
block: read i_size with i_size_read()
2010-11-10 14:40:53 +01:00
media
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
memstick
block: autoconvert trivial BKL users to private mutex
2010-10-05 15:01:10 +02:00
message
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
mfd
mfd: Fix a memory leak when unload mc13xxx-core module
2010-10-29 00:30:43 +02:00
misc
i2c: Remove obsolete cleanup for clientdata
2010-11-15 22:40:38 +01:00
mmc
mfd: Adding twl6030 mmc card detect support for MMC1
2010-10-29 00:29:59 +02:00
mtd
Merge git://git.infradead.org/mtd-2.6
2010-10-30 08:31:35 -07:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2010-11-19 15:25:59 -08:00
nubus
…
of
of/mips: Cleanup some include directives/files.
2010-10-21 11:10:11 -06:00
oprofile
Merge branches 'perf-fixes-for-linus' and 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-10-30 11:43:26 -07:00
parisc
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
parport
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-10-24 13:41:39 -07:00
pci
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
pcmcia
drivers/pcmcia/soc_common.c: Use printf extension %pV
2010-11-10 14:31:28 +01:00
platform
Remove duplicate includes from many files
2010-10-27 18:03:18 -07:00
pnp
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
power
power: Revert "power_supply: Mark twl4030_charger as broken"
2010-10-29 00:30:44 +02:00
pps
…
ps3
…
rapidio
rapidio: use resource_size()
2010-11-12 07:55:30 -08:00
regulator
regulator: max8998 BUCK1/2 voltage change with use of GPIOs
2010-10-29 00:30:15 +02:00
rtc
Merge branches 'sh/rtc' and 'common/clkfwk' into sh/urgent
2010-11-10 18:15:44 +09:00
s390
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
sbus
Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6
2010-10-25 08:19:14 -07:00
scsi
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
serial
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
sfi
…
sh
sh: intc: Fix up build failure introduced by radix tree changes.
2010-11-15 14:30:30 +09:00
sn
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spi
Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6
2010-11-01 07:50:43 -04:00
ssb
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staging
Fix build failure at cx25821-video driver
2010-11-18 11:42:05 -08:00
tc
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telephony
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
thermal
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tty
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2010-11-19 10:31:04 -08:00
uio
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-10-24 13:41:39 -07:00
usb
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
uwb
UWB: Return UWB_RSV_ALLOC_NOT_FOUND rather than crashing on NULL dereference if kzalloc fails
2010-11-11 07:14:07 -08:00
vhost
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
2010-10-23 11:47:02 -07:00
video
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
virtio
virtio: return correct capacity to users
2010-11-24 15:21:11 +10:30
vlynq
MIPS: Add missing #inclusions of <linux/irq.h>
2010-10-07 14:08:54 +01:00
w1
w1: don't allow arbitrary users to remove w1 devices
2010-10-27 18:03:17 -07:00
watchdog
WATCHDOG: octeon-wdt: Use I/O clock rate for timing calculations.
2010-10-29 19:08:42 +01:00
xen
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
zorro
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
Kconfig
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Makefile
TTY: create drivers/tty and move the tty core files there
2010-11-05 08:10:33 -07:00