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linux/drivers/xen
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Jan Beulich 7469be95a4 xenbus: don't bail early from xenbus_dev_request_and_reply() 
xenbus_dev_request_and_reply() needs to track whether a transaction is
open.  For XS_TRANSACTION_START messages it calls transaction_start()
and for XS_TRANSACTION_END messages it calls transaction_end().

If sending an XS_TRANSACTION_START message fails or responds with an
an error, the transaction is not open and transaction_end() must be
called.

If sending an XS_TRANSACTION_END message fails, the transaction is
still open, but if an error response is returned the transaction is
closed.

Commit 027bd7e899 ("xen/xenbus: Avoid synchronous wait on XenBus
stalling shutdown/restart") introduced a regression where failed
XS_TRANSACTION_START messages were leaving the transaction open.  This
can cause problems with suspend (and migration) as all transactions
must be closed before suspending.

It appears that the problematic change was added accidentally, so just
remove it.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
2016-07-08 11:14:26 +01:00
..
events xen/events: Don't move disabled irqs 2016-05-24 12:58:54 +01:00
xen-pciback xen-pciback: return proper values during BAR sizing 2016-06-24 10:53:03 +01:00
xenbus xenbus: don't bail early from xenbus_dev_request_and_reply() 2016-07-08 11:14:26 +01:00
xenfs xen: audit usages of module.h ; remove unnecessary instances 2016-03-21 15:13:32 +00:00
acpi.c
balloon.c xen/balloon: Fix declared-but-not-defined warning 2016-06-23 11:36:15 +01:00
biomerge.c
cpu_hotplug.c
dbgp.c
efi.c efi: Remove unnecessary (and buggy) .memmap initialization from the Xen EFI driver 2016-04-29 11:06:15 +02:00
evtchn.c xen/evtchn: fix ring resize when binding new events 2016-05-04 16:37:01 +01:00
fallback.c
features.c xen: audit usages of module.h ; remove unnecessary instances 2016-03-21 15:13:32 +00:00
gntalloc.c
gntdev.c xen/gntdev: reduce copy batch size to 16 2016-05-24 12:58:17 +01:00
grant-table.c xen: audit usages of module.h ; remove unnecessary instances 2016-03-21 15:13:32 +00:00
Kconfig xen_balloon: support memory auto onlining policy 2016-03-15 16:55:16 -07:00
Makefile Xen: don't warn about 2-byte wchar_t in efi 2016-05-24 12:58:18 +01:00
manage.c
mcelog.c
pci.c
pcpu.c
platform-pci.c drivers/xen: make platform-pci.c explicitly non-modular 2016-03-21 15:14:04 +00:00
preempt.c
privcmd.c
privcmd.h
swiotlb-xen.c
sys-hypervisor.c drivers/xen: make sys-hypervisor.c explicitly non-modular 2016-03-21 15:14:03 +00:00
time.c
tmem.c
xen-acpi-cpuhotplug.c
xen-acpi-memhotplug.c
xen-acpi-pad.c
xen-acpi-processor.c
xen-balloon.c drivers/xen: make [xen-]ballon explicitly non-modular 2016-03-21 15:13:44 +00:00
xen-scsiback.c target: make close_session optional 2016-05-10 01:19:26 -07:00
xen-selfballoon.c xen: audit usages of module.h ; remove unnecessary instances 2016-03-21 15:13:32 +00:00
xen-stub.c
xlate_mmu.c