Juergen Gross 01df0e31cb xen/events: reset active flag for lateeoi events later ...

commit 3de218ff39 upstream.

In order to avoid a race condition for user events when changing
cpu affinity reset the active flag only when EOI-ing the event.

This is working fine as all user events are lateeoi events. Note that
lateeoi_ack_mask_dynirq() is not modified as there is no explicit call
to xen_irq_lateeoi() expected later.

Cc: stable@vger.kernel.org
Reported-by: Julien Grall <julien@xen.org>
Fixes: b6622798bc ("xen/events: avoid handling the same event on two cpus at the same time")
Tested-by: Julien Grall <julien@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrvsky@oracle.com>
Link: https://lore.kernel.org/r/20210623130913.9405-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-07-11 12:46:41 +02:00

..

events

xen/events: reset active flag for lateeoi events later

2021-07-11 12:46:41 +02:00

xen-pciback

xen-pciback: redo VF placement in the virtual topology

2021-06-10 12:42:37 +02:00

xenbus

xenbus/xenbus_backend: Disallow pending watch messages

2021-01-09 13:35:51 +01:00

xenfs

xen: audit usages of module.h ; remove unnecessary instances

2016-03-21 15:13:32 +00:00

acpi.c

xen: rename dom0_op to platform_op

2015-12-21 14:40:55 +00:00

arm-device.c

Xen: ARM: Zero reserved fields of xatp before making hypervisor call

2017-08-06 18:59:47 -07:00

balloon.c

xen/balloon: make the balloon wait interruptible

2020-08-21 11:02:06 +02:00

biomerge.c

xen: fix bio vec merging

2017-08-24 17:12:20 -07:00

cpu_hotplug.c

xen, cpu_hotplug: Prevent an out of bounds access

2020-01-29 10:24:18 +01:00

dbgp.c

xen: Use dev_is_pci() to check whether it is pci device

2014-01-07 09:53:33 -05:00

efi.c

XEN: EFI: Move x86 specific codes to architecture directory

2016-07-06 10:34:46 +01:00

evtchn.c

xen/events: switch user event channels to lateeoi model

2020-11-18 18:26:31 +01:00

fallback.c

xen-pciback: notify hypervisor about devices intended to be assigned to guests

2013-03-22 10:20:55 -04:00

features.c

xen: audit usages of module.h ; remove unnecessary instances

2016-03-21 15:13:32 +00:00

gntalloc.c

xen: use vma_pages().

2016-07-06 10:34:47 +01:00

gntdev.c

Xen/gntdev: correct error checking in gntdev_map_grant_pages()

2021-02-23 13:59:17 +01:00

grant-table.c

xen/grant-table: Use put_page instead of free_page

2018-05-30 07:50:25 +02:00

Kconfig

xen: XEN_ACPI_PROCESSOR is Dom0-only

2018-02-25 11:05:50 +01:00

Makefile

Kbuild: use -fshort-wchar globally

2018-11-23 08:20:37 +01:00

manage.c

xen/manage: don't complain about an empty value in control/sysrq node

2018-10-10 08:53:22 +02:00

mcelog.c

xen/mce: fix up xen_late_init_mcelog() error handling

2015-03-16 14:49:15 +00:00

pci.c

xen/pci: reserve MCFG areas earlier

2019-10-17 13:42:10 -07:00

pcpu.c

xen: rename dom0_op to platform_op

2015-12-21 14:40:55 +00:00

platform-pci.c

xen: Revert commits da72ff5bfc and 72a9b18629

2017-05-14 14:00:22 +02:00

preempt.c

xen: don't reschedule in preemption off sections

2020-08-26 10:29:06 +02:00

privcmd.c

xen/privcmd: Support correctly 64KB page granularity when mapping memory

2017-06-14 15:05:58 +02:00

privcmd.h

xen: Add privcmd device driver

2011-12-16 13:29:31 -05:00

swiotlb-xen.c

xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()

2019-08-06 18:29:41 +02:00

sys-hypervisor.c

xen: rename xen_pmu_init() in sys-hypervisor.c

2016-08-24 18:45:25 +01:00

time.c

xen: add static initialization of steal_clock op to xen_time_ops

2016-07-26 14:07:06 +01:00

tmem.c

cleancache: constify cleancache_ops structure

2016-01-27 09:09:57 -05:00

xen-acpi-cpuhotplug.c

xen: rename dom0_op to platform_op

2015-12-21 14:40:55 +00:00

xen-acpi-memhotplug.c

ACPICA: Resources: Provide common part for struct acpi_resource_address structures.

2015-01-26 16:09:56 +01:00

xen-acpi-pad.c

xen: rename dom0_op to platform_op

2015-12-21 14:40:55 +00:00

xen-acpi-processor.c

xen/acpi: off by one in read_acpi_id()

2018-05-30 07:50:42 +02:00

xen-balloon.c

drivers/xen: make [xen-]ballon explicitly non-modular

2016-03-21 15:13:44 +00:00

xen-scsiback.c

xen-scsiback: don't "handle" error by BUG()

2021-02-23 13:59:17 +01:00

xen-selfballoon.c

mm, frontswap: convert frontswap_enabled to static key

2016-07-26 16:19:19 -07:00

xen-stub.c

xen/acpi: remove redundant acpi/acpi_drivers.h include

2013-03-11 13:53:02 -04:00

xlate_mmu.c

xen: xlate_mmu: add missing header to fix 'W=1' warning

2018-12-17 09:38:34 +01:00