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196748a276
linux/drivers/xen
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Paul Durrant 196748a276 xen/xenbus: reference count registered modules 
To prevent a PV driver module being removed whilst attached to its other
end, and hence xenbus calling into potentially invalid text, take a
reference on the module before calling the probe() method (dropping it if
unsuccessful) and drop the reference after returning from the remove()
method.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2019-12-04 11:35:32 +01:00
..
events xen/events: remove event handling recursion detection 2019-12-02 07:04:30 +01:00
xen-pciback xen/pciback: remove set but not used variable 'old_state' 2019-07-26 10:29:05 +02:00
xenbus xen/xenbus: reference count registered modules 2019-12-04 11:35:32 +01:00
xenfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
acpi.c
arm-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
balloon.c xen/balloon: Clear PG_offline in balloon_retrieve() 2019-10-01 15:52:53 -04:00
biomerge.c block: pass page to xen_biovec_phys_mergeable 2019-04-01 12:11:13 -06:00
cpu_hotplug.c xen, cpu_hotplug: Prevent an out of bounds access 2019-03-08 17:58:14 +01:00
dbgp.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
efi.c xen/efi: have a common runtime setup function 2019-10-02 10:31:07 -04:00
evtchn.c xen/events: fix binding user event channels to cpus 2019-07-17 08:09:57 +02:00
features.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
gntalloc.c
gntdev-common.h xen/gntdev: replace global limit of mapped pages by limit per call 2019-12-02 07:39:18 +01:00
gntdev-dmabuf.c xen/gntdev: replace global limit of mapped pages by limit per call 2019-12-02 07:39:18 +01:00
gntdev-dmabuf.h xen/gntdev: Do not destroy context while dma-bufs are in use 2019-02-18 06:50:03 +01:00
gntdev.c xen/gntdev: switch from kcalloc() to kvcalloc() 2019-12-02 07:39:23 +01:00
grant-table.c xen/grant-table: remove unnecessary printing 2019-10-10 10:41:30 -04:00
Kconfig xen: Fix Kconfig indentation 2019-11-24 11:55:31 +01:00
Makefile xen: remove tmem driver 2019-07-17 08:09:58 +02:00
manage.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
mcelog.c xen/mcelog: add PPIN to record when available 2019-11-14 10:01:57 +01:00
mem-reservation.c
pci.c xen/pci: reserve MCFG areas earlier 2019-09-12 15:02:55 -04:00
pcpu.c
platform-pci.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320 2019-06-05 17:37:05 +02:00
preempt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 135 2019-05-30 11:25:15 -07:00
privcmd-buf.c xen/privcmd-buf.c: convert to use vm_map_pages_zero() 2019-05-14 09:47:50 -07:00
privcmd.c xen: avoid link error on ARM 2019-07-31 08:14:12 +02:00
privcmd.h
pvcalls-back.c net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head 2019-10-09 21:34:31 -07:00
pvcalls-front.c xen: fixes for 5.2-rc3 2019-05-31 10:53:34 -07:00
pvcalls-front.h
swiotlb-xen.c dma-direct: exclude dma_direct_map_resource from the min_low_pfn check 2019-11-20 20:31:41 +01:00
sys-hypervisor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
time.c
xen-acpi-cpuhotplug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12 2019-05-21 11:28:45 +02:00
xen-acpi-memhotplug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12 2019-05-21 11:28:45 +02:00
xen-acpi-pad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
xen-acpi-processor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
xen-balloon.c xen: remove tmem driver 2019-07-17 08:09:58 +02:00
xen-front-pgdir-shbuf.c
xen-scsiback.c xen: fixes and features for 5.1-rc1 2019-03-11 17:08:14 -07:00
xen-stub.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12 2019-05-21 11:28:45 +02:00
xlate_mmu.c xen: avoid link error on ARM 2019-07-31 08:14:12 +02:00