Pekka Enberg c0799eb9f2 kvm tools, qcow: Fix locking issues ...

The virtio_blk_do_io() function can enter the QCOW code through
disk_image__{read,write,flush}() from multiple threads because it uses a thread
pool for I/O requests. Thus, use locking to make the QCOW2 code thread-safe.

Cc: Asias He <asias.hejun@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Prasad Joshi <prasadjoshi124@gmail.com>
Cc: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

2015-06-01 16:39:46 +01:00

..

8250-serial.h

kvm tools: Send SysRq-P to guest kernel on SIGQUIT

2015-06-01 16:39:41 +01:00

apic.h

kvm tools: Add MP tables support

2015-06-01 16:39:42 +01:00

assembly.h

kvm, bios: BIOS code redesign

2015-06-01 16:39:40 +01:00

barrier.h

kvm tools: Fix 32-bit build of the asm/system.h include

2015-06-01 16:39:43 +01:00

bios-export.h

kvm, bios: BIOS code redesign

2015-06-01 16:39:40 +01:00

bios.h

kvm tools: Cleanup e820 code

2015-06-01 16:39:44 +01:00

boot-protocol.h

kvm tools: Separate BIOS specifics into own file

2015-06-01 16:39:41 +01:00

brlock.h

kvm tools: Add debug mode to brlock

2015-06-01 16:39:44 +01:00

builtin-balloon.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-debug.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-help.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-list.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-pause.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-run.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

builtin-version.h

kvm tools: Rename command source files

2015-06-01 16:39:46 +01:00

cpufeature.h

kvm tools: Abolishment of uint*_t types

2015-06-01 16:39:43 +01:00

disk-image.h

kvm tools: Close the disk images after the guest shuts down

2015-06-01 16:39:44 +01:00

e820.h

kvm tools: Cleanup e820 code

2015-06-01 16:39:44 +01:00

framebuffer.h

kvm tools: Fix attempt to free mmaped memory

2015-06-01 16:39:45 +01:00

i8042.h

kvm tools: Kill libvnc dependency from hw/i8042.c

2015-06-01 16:39:44 +01:00

interrupt.h

kvm tools: Rename 'self' variables

2015-06-01 16:39:43 +01:00

ioeventfd.h

kvm tools: Add ioeventfd support

2015-06-01 16:39:44 +01:00

ioport.h

kvm tools: Use dynamic IO port allocation in virtio-net

2015-06-01 16:39:44 +01:00

irq.h

kvm tools: Introduce IRQ registry

2015-06-01 16:39:43 +01:00

kvm-cmd.h

kvm tools: implement "help xxx" command

2015-06-01 16:39:44 +01:00

kvm-cpu.h

kvm tools: Implement keyboard reset method

2015-06-01 16:39:45 +01:00

kvm.h

kvm tools: Fix guest single-stepping setup

2015-06-01 16:39:46 +01:00

mptable.h

kvm tools: Remove wrong global definition of kvm

2015-06-01 16:39:44 +01:00

mutex.h

kvm tools, qcow: Fix locking issues

2015-06-01 16:39:46 +01:00

parse-options.h

kvm tools: Add support for multiple virtio-rng devices

2015-06-01 16:39:44 +01:00

pci.h

kvm tools: Abolishment of uint*_t types

2015-06-01 16:39:43 +01:00

qcow.h

kvm tools, qcow: Fix locking issues

2015-06-01 16:39:46 +01:00

rbtree-interval.h

kvm tools: Add interval red-black tree helper

2015-06-01 16:39:43 +01:00

read-write.h

kvm tools: Add scatter-gather variants of IO functions

2015-06-01 16:39:42 +01:00

rtc.h

kvm tools: Emulate RTC to fix system time in guests

2015-06-01 16:39:43 +01:00

rwsem.h

kvm tools: Add rwlock wrapper

2015-06-01 16:39:44 +01:00

sdl.h

kvm tools, ui: Add support for SDL framebuffer output target

2015-06-01 16:39:44 +01:00

segment.h

kvm tools: Abolishment of uint*_t types

2015-06-01 16:39:43 +01:00

strbuf.h

kvm tools: Use code from perf for argument processing

2015-06-01 16:39:42 +01:00

symbol.h

kvm tools: Add conditional compilation of symbol resolving

2015-06-01 16:39:44 +01:00

term.h

kvm tools: Move terminal related code to a new file term.c

2015-06-01 16:39:41 +01:00

threadpool.h

kvm tools: Don't dynamically allocate threadpool jobs

2015-06-01 16:39:45 +01:00

types.h

kvm tools: Implement virtio network device

2015-06-01 16:39:42 +01:00

uip.h

kvm tools: Introduce uip_rx() for uip

2015-06-01 16:39:45 +01:00

util.h

kvm tools: Add IO delay option

2015-06-01 16:39:45 +01:00

vesa.h

kvm tools, ui: Move VNC specific framebuffer code to ui/vnc.c

2015-06-01 16:39:44 +01:00

virtio-9p.h

kvm tools: Don't dynamically allocate threadpool jobs

2015-06-01 16:39:45 +01:00

virtio-balloon.h

kvm tools: Add virtio-balloon device

2015-06-01 16:39:45 +01:00

virtio-blk.h

kvm tools: Release memory allocated during virtio block initialization

2015-06-01 16:39:44 +01:00

virtio-console.h

kvm tools: Rename 'self' variables

2015-06-01 16:39:43 +01:00

virtio-net.h

kvm tools: Add MACRO for user and tap mode for virtio net

2015-06-01 16:39:45 +01:00

virtio-pci-dev.h

kvm tools: Add virtio-balloon device

2015-06-01 16:39:45 +01:00

virtio-rng.h

kvm tools: Add support for multiple virtio-rng devices

2015-06-01 16:39:44 +01:00

virtio.h

tools/kvm/virtio: Add new iov helper

2015-06-01 16:39:45 +01:00

vnc.h

kvm tools, ui: Move VNC specific framebuffer code to ui/vnc.c

2015-06-01 16:39:44 +01:00