AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/xen
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Juergen Gross 0891fb39ba xen/events: don't use chip_data for legacy IRQs 
Since commit c330fb1ddc ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Xen is using the chip_data pointer for storing IRQ specific data. When
running as a HVM domain this can result in problems for legacy IRQs, as
those might use chip_data for their own purposes.

Use a local array for this purpose in case of legacy IRQs, avoiding the
double use.

Cc: stable@vger.kernel.org
Fixes: c330fb1ddc ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Stefan Bader <stefan.bader@canonical.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200930091614.13660-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-10-01 14:45:26 +02:00
..
events xen/events: don't use chip_data for legacy IRQs 2020-10-01 14:45:26 +02:00
xen-pciback treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
xenbus xen: branch for v5.9-rc4 2020-09-06 09:59:27 -07:00
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: branch for v5.9-rc4 2020-09-06 09:59:27 -07:00
biomerge.c block: pass page to xen_biovec_phys_mergeable 2019-04-01 12:11:13 -06:00
cpu_hotplug.c xen/cpuhotplug: Fix initial CPU offlining for PV(H) guests 2020-05-21 13:01:45 -05:00
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: Use evtchn_type_t as a type for event channels 2020-04-07 12:12:54 +02:00
features.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
gntalloc.c mm: treewide: remove GFP_TEMPORARY allocation flag 2017-09-13 18:53:16 -07:00
gntdev-common.h xen: Use evtchn_type_t as a type for event channels 2020-04-07 12:12:54 +02:00
gntdev-dmabuf.c xen/gntdev: Fix dmabuf import with non-zero sgt offset 2020-08-13 12:50:22 +02:00
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 mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
grant-table.c xen: add helpers to allocate unpopulated memory 2020-09-04 10:00:01 +02:00
Kconfig xen: branch for v5.9-rc4 2020-09-06 09:59:27 -07:00
Makefile xen: branch for v5.9-rc4 2020-09-06 09:59:27 -07:00
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 xen/balloon: add runtime control for scrubbing ballooned out pages 2018-09-14 08:51:10 -04:00
pci.c xen/pci: reserve MCFG areas earlier 2019-09-12 15:02:55 -04:00
pcpu.c
platform-pci.c xen-platform: Constify dev_pm_ops 2020-05-21 13:00:39 -05:00
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: branch for v5.9-rc4 2020-09-06 09:59:27 -07:00
privcmd.h xen: add new hypercall buffer mapping device 2018-06-22 08:26:42 +02:00
pvcalls-back.c xen/pvcalls: Make pvcalls_back_global static 2020-05-21 13:06:42 -05:00
pvcalls-front.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pvcalls-front.h xen: fix poll misannotation 2018-02-01 10:07:32 -05:00
swiotlb-xen.c xen/arm: introduce phys/dma translations in xen_dma_sync_for_* 2020-08-04 07:53:52 +02:00
sys-hypervisor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
time.c READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses 2020-04-16 12:28:07 +01:00
unpopulated-alloc.c xen: add helpers to allocate unpopulated memory 2020-09-04 10:00:01 +02:00
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: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
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/balloon: Support xend-based toolstack take two 2020-01-22 08:58:16 -06:00
xen-front-pgdir-shbuf.c xen: Introduce shared buffer helpers for page directory... 2018-12-18 12:15:55 -05:00
xen-scsiback.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
xen-stub.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12 2019-05-21 11:28:45 +02:00
xlate_mmu.c xen: add helpers to allocate unpopulated memory 2020-09-04 10:00:01 +02:00