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Paolo Bonzini aa570d6fb6 virtio: combine the read of a descriptor 
Compared to vring, virtio has a performance penalty of 10%.  Fix it
by combining all the reads for a descriptor in a single address_space_read
call.  This also simplifies the code nicely.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-02-06 20:44:08 +02:00
..
9pfs
virtio: move allocation to virtqueue_pop/vring_pop
2016-02-06 20:39:07 +02:00
acpi
log: do not unnecessarily include qom/cpu.h
2016-02-03 09:19:10 +00:00
alpha
…
arm
…
audio
audio: Clean up includes
2016-02-02 13:57:31 +01:00
block
virtio: introduce qemu_get/put_virtqueue_element
2016-02-06 20:44:08 +02:00
bt
hw: Clean up includes
2016-01-29 15:07:25 +00:00
char
virtio: introduce qemu_get/put_virtqueue_element
2016-02-06 20:44:08 +02:00
core
hw/core: Clean up includes
2016-01-29 15:07:25 +00:00
cpu
hw: Clean up includes
2016-01-29 15:07:25 +00:00
cris
cris: Clean up includes
2016-01-29 15:07:24 +00:00
display
virtio: move allocation to virtqueue_pop/vring_pop
2016-02-06 20:39:07 +02:00
dma
hw: Clean up includes
2016-01-29 15:07:25 +00:00
gpio
hw: Clean up includes
2016-01-29 15:07:25 +00:00
i2c
hw: Clean up includes
2016-01-29 15:07:25 +00:00
i386
pc: acpi: merge SSDT into DSDT
2016-02-04 19:53:02 +02:00
ide
macio: add dma_active to VMStateDescription
2016-01-30 23:37:36 +11:00
input
virtio: move allocation to virtqueue_pop/vring_pop
2016-02-06 20:39:07 +02:00
intc
hw/intc: Clean up includes
2016-01-29 15:07:24 +00:00
ipack
hw: Clean up includes
2016-01-29 15:07:25 +00:00
ipmi
hw: Clean up includes
2016-01-29 15:07:25 +00:00
isa
hw: Clean up includes
2016-01-29 15:07:25 +00:00
lm32
…
m68k
m68k: Clean up includes
2016-01-29 15:07:24 +00:00
mem
hw: Clean up includes
2016-01-29 15:07:25 +00:00
microblaze
…
mips
…
misc
ivshmem: use a single eventfd callback, get rid of CharDriver
2016-02-02 13:28:58 +01:00
moxie
moxie: Clean up includes
2016-01-29 15:07:25 +00:00
net
virtio: move allocation to virtqueue_pop/vring_pop
2016-02-06 20:39:07 +02:00
nvram
hw: Clean up includes
2016-01-29 15:07:25 +00:00
openrisc
openrisc: Clean up includes
2016-01-29 15:07:24 +00:00
pci
pci: Clean up includes
2016-01-29 15:07:24 +00:00
pci-bridge
pci: Clean up includes
2016-01-29 15:07:24 +00:00
pci-host
uninorth.c: add support for UniNorth kMacRISCPCIAddressSelect (0x48) register
2016-01-30 23:37:38 +11:00
pcmcia
hw: Clean up includes
2016-01-29 15:07:25 +00:00
ppc
target-ppc: Helper to determine page size information from hpte alone
2016-01-30 23:49:27 +11:00
s390x
…
scsi
virtio: introduce qemu_get/put_virtqueue_element
2016-02-06 20:44:08 +02:00
sd
hw: Clean up includes
2016-01-29 15:07:25 +00:00
sh4
sh4: Clean up includes
2016-01-29 15:07:24 +00:00
smbios
hw: Clean up includes
2016-01-29 15:07:25 +00:00
sparc
…
sparc64
…
ssi
hw: Clean up includes
2016-01-29 15:07:25 +00:00
timer
log: do not unnecessarily include qom/cpu.h
2016-02-03 09:19:10 +00:00
tpm
hw: Clean up includes
2016-01-29 15:07:25 +00:00
tricore
tricore: Clean up includes
2016-01-29 15:07:25 +00:00
unicore32
…
usb
ehci: update irq on reset
2016-02-02 14:11:01 +01:00
vfio
…
virtio
virtio: combine the read of a descriptor
2016-02-06 20:44:08 +02:00
watchdog
hw: Clean up includes
2016-01-29 15:07:25 +00:00
xen
…
xenpv
…
xtensa
xtensa: Clean up includes
2016-01-29 15:07:24 +00:00
Makefile.objs
…