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xemu/hw
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Stefan Hajnoczi 24355b79bd scsi-disk: release AioContext in unaligned WRITE SAME case 
scsi_write_same_complete() can retry the write if the request was
unaligned.  Make sure to release the AioContext when that code path is
taken!

This patch fixes a hang when QEMU terminates after an unaligned WRITE
SAME request has been processed with dataplane.  The hang occurs because
iothread_stop_all() cannot acquire the AioContext lock that was leaked
by the IOThread in scsi_write_same_complete().

Fixes: b9e413dd37 ("block: explicitly acquire aiocontext in aio callbacks that need it").
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Reported-by: Cong Li <coli@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180104142502.15175-1-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-01-16 14:54:50 +01:00
..
9pfs 9pfs: deprecate handle backend 2018-01-08 11:18:23 +01:00
acpi hw/acpi: ACPI_PM_* defines are not restricted to i386 arch 2017-12-18 17:07:02 +03:00
adc
alpha hw/timer/mc146818: rename rtc_init() -> mc146818_rtc_init() 2017-12-18 17:07:02 +03:00
arm imx_fec: Do not link to netdev 2018-01-11 13:25:34 +00:00
audio misc: remove old i386 dependency 2017-12-18 17:07:02 +03:00
block nvme: Add tracing 2017-12-22 15:03:41 +01:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char chardev: introduce qemu_chr_timeout_add_ms() 2018-01-12 13:22:02 +01:00
core Pull request 2017-12-20 11:30:55 +00:00
cpu hw: use "qemu/osdep.h" as first #include in source files 2017-12-18 17:07:02 +03:00
cris cris: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
display sm501: Add some more unimplemented registers 2018-01-10 12:52:59 +11:00
dma sun4m: remove include/hw/sparc/sun4m.h and all references to it 2018-01-09 21:48:20 +00:00
gpio hw/gpio/omap_gpio.c: Don't use old_mmio 2017-09-21 16:34:27 +01:00
i2c ppc4xx_i2c: Implement basic I2C functions 2018-01-10 12:52:59 +11:00
i386 pc: fail memory hot-plug/unplug with -no-acpi and Q35 machine type 2018-01-12 09:54:13 +01:00
ide hw/ide: Emulate SiI3112 SATA controller 2018-01-10 12:53:00 +11:00
input Split adb.c into adb.c, adb-mouse.c and adb-kbd.c 2017-12-21 20:11:28 +01:00
intc hw/intc/arm_gic: reserved register addresses are RAZ/WI 2018-01-11 13:25:40 +00:00
ipack pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
ipmi hw/ipmi: remove old i386 dependency 2017-12-18 17:07:02 +03:00
isa hw/timer/mc146818: rename rtc_init() -> mc146818_rtc_init() 2017-12-18 17:07:02 +03:00
lm32 lm32: lm32_boards: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
m68k m68k: mcf5208: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
mem spapr: replace numa_get_node() with lookup in pc-dimm list 2017-12-15 09:49:24 +11:00
microblaze hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mips hw/mips/boston: Remove workaround for writes to ROM aborting 2017-12-21 09:30:32 +01:00
misc dump-guest-memory.py: fix "You can't do that without a process to debug" 2018-01-02 14:49:54 +01:00
moxie hw/moxie/moxiesim: Add support for loading a BIOS on moxiesim 2017-12-21 09:30:31 +01:00
net imx_fec: Reserve full FSL_IMX25_FEC_SIZE page for the register file 2018-01-11 13:25:38 +00:00
nios2 nios2: remove duplicated includes (in code commented out) 2017-12-18 17:07:02 +03:00
nvram mips: fix potential fopen(NULL,...) 2018-01-16 14:54:50 +01:00
openrisc openrisc: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
pci pci: Initialize pci_dev->name before use 2017-11-16 17:46:53 +02:00
pci-bridge misc: remove old i386 dependency 2017-12-18 17:07:02 +03:00
pci-host sun4u: split IOMMU device out from apb.c to sun4u_iommu.c 2018-01-09 21:48:20 +00:00
pcmcia
ppc spapr: Correct compatibility mode setting for hotplugged CPUs 2018-01-10 12:53:00 +11:00
s390x misc: remove duplicated includes 2017-12-18 17:07:02 +03:00
scsi scsi-disk: release AioContext in unaligned WRITE SAME case 2018-01-16 14:54:50 +01:00
sd hw/sd/pxa2xx_mmci: add read/write() trace events 2018-01-11 13:25:39 +00:00
sh4 sh4: shix: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
smbios hw: use "qemu/osdep.h" as first #include in source files 2017-12-18 17:07:02 +03:00
sparc sun4m: remove include/hw/sparc/sun4m.h and all references to it 2018-01-09 21:48:20 +00:00
sparc64 sun4u_iommu: add trace event for IOMMU translations 2018-01-09 21:48:20 +00:00
ssi hw/ssi/aspeed_smc: remove unused #include 2017-12-18 17:07:02 +03:00
timer hpet: recover timer offset correctly 2018-01-12 13:22:02 +01:00
tpm tpm: Implement tpm_sized_buffer_reset 2017-12-22 09:01:09 -05:00
tricore tricore: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
unicore32 hw/unicore32: restrict hw addr defines to source file 2017-12-18 17:07:02 +03:00
usb dev-storage: Fix the unusual function name 2017-12-19 10:25:08 +00:00
vfio hw: use "qemu/osdep.h" as first #include in source files 2017-12-18 17:07:02 +03:00
virtio hw/virtio-balloon: remove old i386 dependency 2017-12-18 17:07:02 +03:00
watchdog misc: drop old i386 dependency 2017-12-18 17:07:03 +03:00
xen xen/pt: Set is_express to avoid out-of-bounds write 2017-12-14 16:11:53 -08:00
xenpv xenfb: remove xen_init_display "temporary" hack 2017-07-07 11:10:03 -07:00
xtensa xtensa: lx60/lx200/ml605/kc705: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
Makefile.objs 9pfs: fix dependencies 2017-08-30 18:23:25 +02:00