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188bfe1b00
xemu/hw
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Bharata B Rao 188bfe1b00 spapr: Allow configure-connector to be called multiple times 
In case of in-kernel memory hot unplug, when the guest is not able
to remove all the LMBs that are requested for removal, it will add back
any LMBs that have been successfully removed. The DR Connectors of
these LMBs wouldn't have been unconfigured and hence the addition of
these LMBs will result in configure-connector call being issued on
LMB DR connectors that are already in configured state. Such
configure-connector calls will fail resulting in a DIMM which is
partially unplugged.

This however worked till recently before we overhauled the DRC
implementation in QEMU. Commit 9d4c0f4f0a: "spapr: Consolidate
DRC state variables" is the first commit where this problem shows up
as per git bisect.

Ideally guest shouldn't be issuing configure-connector call on an
already configured DR connector. However for now, work around this in
QEMU by allowing configure-connector to be called multiple times for
all types of DR connectors.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
[dwg: Corrected buglet that would have initialized fdt pointers ready
 for reading on a device not present at reset]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-08-22 21:26:46 +10:00
..
9pfs 9pfs: local: fix fchmodat_nofollow() limitations 2017-08-10 14:36:11 +02:00
acpi docs: fix broken paths to docs/devel/tracing.txt 2017-07-31 13:12:53 +03:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha docs: fix broken paths to docs/devel/tracing.txt 2017-07-31 13:12:53 +03:00
arm hw/arm/virt: Add 2.10 machine type 2017-08-07 14:16:31 +01:00
audio trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
block virtio-blk: handle blk_getlength() errors 2017-08-10 14:33:43 +01:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
core loader: check get_image_size() return value 2017-07-31 13:06:38 +03:00
cpu cpu: don't allow negative core id 2017-08-02 18:30:13 -03:00
cris hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
display qxl: call qemu_spice_display_init_common for secondary devices 2017-08-15 15:04:51 +01:00
dma trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
gpio qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable 2017-05-17 10:37:00 -03:00
i2c migration/next for 20170601 2017-06-02 14:07:53 +01:00
i386 hw/i386: allow SHPC for Q35 machine 2017-08-08 00:31:09 +03:00
ide IDE: Do not flush empty CDROM drives 2017-08-10 14:33:43 +01:00
input trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
intc trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
ipack ipack: Update e-mail address 2016-05-18 15:04:27 +03:00
ipmi qom: enforce readonly nature of link's check callback 2017-07-14 12:04:42 +02:00
isa trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
lm32 char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
m68k hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mem docs: fix broken paths to docs/devel/tracing.txt 2017-07-31 13:12:53 +03:00
microblaze hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mips mips: Add KVM T&E segment support for TCG 2017-08-02 22:18:06 +01:00
misc mmio-interface: Mark as not user creatable 2017-08-15 17:42:02 +01:00
moxie hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
net trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
nios2 hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
nvram trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
openrisc hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
pci trace-events: fix code style: %# -> 0x% 2017-08-01 12:13:07 +01:00
pci-bridge pci: Convert shpc_init() to Error 2017-07-03 22:29:49 +03:00
pci-host memory: Rename memory_region_init_ram() to memory_region_init_ram_nomigrate() 2017-07-14 17:59:42 +01:00
pcmcia hw: Clean up includes 2016-01-29 15:07:25 +00:00
ppc spapr: Allow configure-connector to be called multiple times 2017-08-22 21:26:46 +10:00
s390x trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
scsi scsi: clarify sense codes for LUN0 emulation 2017-08-08 10:40:20 +02:00
sd trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
sh4 hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
smbios stubs: move smbios stubs to hw/smbios 2017-01-16 17:52:35 +01:00
sparc docs: fix broken paths to docs/devel/tracing.txt 2017-07-31 13:12:53 +03:00
sparc64 memory: Rename memory_region_init_ram() to memory_region_init_ram_nomigrate() 2017-07-14 17:59:42 +01:00
ssi xlnx-qspi: add a property for mmio-execution 2017-08-14 14:17:18 +01:00
timer mc146818rtc: implement UIP latching as intended 2017-08-01 17:27:34 +02:00
tpm clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
tricore hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
unicore32 fix qemu-system-unicore32 crashing when calling without -kernel 2017-07-31 13:05:49 +03:00
usb trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
vfio trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
virtio build-sys: add --disable-vhost-user 2017-08-03 15:55:41 +03:00
watchdog shutdown: Add source information to SHUTDOWN and RESET 2017-05-23 13:28:17 +02:00
xen trace-events: fix code style: %# -> 0x% 2017-08-01 12:13:07 +01:00
xenpv xenfb: remove xen_init_display "temporary" hack 2017-07-07 11:10:03 -07:00
xtensa hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
Makefile.objs acpi: filter based on CONFIG_ACPI_X86 rather than TARGET 2017-01-16 17:52:35 +01:00