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linux/drivers/xen
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Samuel Holland c775a52461 genirq: Add and use an irq_data_update_affinity helper 
[ Upstream commit 073352e951 ]

Some architectures and irqchip drivers modify the cpumask returned by
irq_data_get_affinity_mask, usually by copying in to it. This is
problematic for uniprocessor configurations, where the affinity mask
should be constant, as it is known at compile time.

Add and use a setter for the affinity mask, following the pattern of
irq_data_update_effective_affinity. This allows the getter function to
return a const cpumask pointer.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Xen bits
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220701200056.46555-7-samuel@sholland.org
Stable-dep-of: feabecaff5 ("genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-11 13:57:31 +01:00
..
events genirq: Add and use an irq_data_update_affinity helper 2023-03-11 13:57:31 +01:00
xen-pciback xen-pciback: Allow setting PCI_MSIX_FLAGS_MASKALL too 2022-12-02 17:41:10 +01:00
xenbus xen/xenbus: fix return type in xenbus_file_read() 2022-08-25 11:40:14 +02:00
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 xen: rename dom0_op to platform_op 2015-12-21 14:40:55 +00:00
arm-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
balloon.c xen/balloon: add late_initcall_sync() for initial ballooning done 2021-11-18 19:16:04 +01:00
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/evtchn: use READ/WRITE_ONCE() for accessing ring indices 2021-02-23 10:07:52 -06:00
features.c x86/xen: Remove undefined behavior in setup_features() 2022-06-29 09:03:24 +02:00
gntalloc.c xen/gntalloc: don't use gnttab_query_foreign_access() 2022-03-11 12:22:36 +01:00
gntdev-common.h xen/gntdev: Accommodate VMA splitting 2022-10-26 12:34:24 +02:00
gntdev-dmabuf.c xen: gntdev: fix common struct sg_table related issues 2020-09-10 08:18:35 +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 xen/gntdev: Accommodate VMA splitting 2022-10-26 12:34:24 +02:00
grant-table.c xen/grants: prevent integer overflow in gnttab_dma_alloc_pages() 2022-09-08 12:28:05 +02:00
Kconfig xen/x86: allow PVH Dom0 without XEN_PV=y 2021-10-05 08:35:56 +02:00
Makefile xen: Remove support for PV ACPI cpu/memory hotplug 2021-04-23 09:31:50 +02:00
manage.c xen/manage: Fix fall-through warnings for Clang 2020-12-16 07:58:44 +01:00
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 xen/pcpu: fix possible memory leak in register_pcpu() 2022-11-26 09:24:40 +01:00
platform-pci.c xen/platform-pci: add missing free_irq() in error path 2022-12-02 17:41:10 +01:00
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/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource() 2022-12-31 13:14:04 +01:00
privcmd.h xen: add new hypercall buffer mapping device 2018-06-22 08:26:42 +02:00
pvcalls-back.c fix "direction" argument of iov_iter_kvec() 2023-02-09 11:26:34 +01:00
pvcalls-front.c xen/pvcalls: use alloc/free_pages_exact() 2022-03-11 12:22:36 +01:00
pvcalls-front.h xen: fix poll misannotation 2018-02-01 10:07:32 -05:00
swiotlb-xen.c swiotlb: Support aligned swiotlb buffers 2022-04-08 14:24:17 +02:00
sys-hypervisor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
time.c x86/paravirt: Switch time pvops functions to use static_call() 2021-03-11 16:17:52 +01:00
unpopulated-alloc.c xen/unpopulated-alloc: fix error return code in fill_list() 2021-05-10 09:42:25 +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 xen: Replace lkml.org links with lore 2021-02-23 10:08:07 -06:00
xen-balloon.c xen: Use DEVICE_ATTR_*() macro 2021-07-05 09:23:31 +02:00
xen-front-pgdir-shbuf.c xen-front-pgdir-shbuf: don't record wrong grant handle upon error 2021-02-23 12:35:43 -06:00
xen-scsiback.c isystem: trim/fixup stdarg.h and other headers 2021-08-19 09:02:55 +09:00
xlate_mmu.c xen: unexport __init-annotated xen_xlate_map_ballooned_pages() 2022-06-14 18:36:17 +02:00