Marc Zyngier
530cbe100e
irqdomain: Allow domain lookup with DOMAIN_BUS_WIRED token ...
Let's take the (outlandish) example of an interrupt controller
capable of handling both wired interrupts and PCI MSIs.
With the current code, the PCI MSI domain is going to be tagged
with DOMAIN_BUS_PCI_MSI, and the wired domain with DOMAIN_BUS_ANY.
Things get hairy when we start looking up the domain for a wired
interrupt (typically when creating it based on some firmware
information - DT or ACPI).
In irq_create_fwspec_mapping(), we perform the lookup using
DOMAIN_BUS_ANY, which is actually used as a wildcard. This gives
us one chance out of two to end up with the wrong domain, and
we try to configure a wired interrupt with the MSI domain.
Everything grinds to a halt pretty quickly.
What we really need to do is to start looking for a domain that
would uniquely identify a wired interrupt domain, and only use
DOMAIN_BUS_ANY as a fallback.
In order to solve this, let's introduce a new DOMAIN_BUS_WIRED
token, which is going to be used exactly as described above.
Of course, this depends on the irqchip to setup the domain
bus_token, and nobody had to implement this so far.
Only so far.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Link: http://lkml.kernel.org/r/1453816347-32720-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-01-26 16:00:14 +01:00
ARM: 8446/1: amba: Remove unused callbacks for legacy system PM
2015-10-19 17:08:32 +01:00
libceph: add nocephx_sign_messages option
2015-11-02 23:37:46 +01:00
dmaengine: hsu: remove platform data
2015-10-17 21:22:08 -07:00
powerpc/fsl: Move fsl_guts.h out of arch/powerpc
2015-10-21 18:05:50 -05:00
gpiolib: provide generic request/free implementations
2015-10-16 22:11:16 +02:00
i2c: rcar: Remove obsolete platform data support
2015-10-20 18:10:25 +02:00
Merge branch 'irq/gic-v2m-acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
2015-12-29 10:08:45 +01:00
lockd: get rid of reference-counted NSM RPC clients
2015-10-23 15:57:27 -04:00
platform/chrome: Branch for v4.4
2015-11-13 21:53:18 -08:00
mlx4: Expose correct max_sge_rd limit
2015-12-08 12:42:44 -05:00
net/mlx5e: Added self loopback prevention
2015-11-15 18:43:40 -05:00
mmc: mmc: extend the mmc_send_tuning()
2015-10-27 10:38:41 +01:00
mtd: spi-nor: fix Spansion regressions (aliased with Winbond)
2016-01-05 16:00:03 -08:00
netfilter: nfnetlink: avoid recurrent netns lookups in call_batch
2015-12-10 13:49:24 +01:00
drivers/pinctrl: Add the concept of an "init" state
2015-10-27 11:24:23 +01:00
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-11 18:28:06 -08:00
qed: fix handling of concurrent ramrods.
2015-12-07 14:14:03 -05:00
regulator: introduce min_dropout_uV
2015-10-16 17:57:33 +01:00
ARM: SoC driver updates for v4.4
2015-11-10 15:00:03 -08:00
ARM: SoC cleanups for v4.4
2015-11-10 14:48:36 -08:00
Mainly smaller bugfixes and cleanup. We're still finding some bugs from
2015-11-11 20:11:28 -08:00
net: cdc_ncm: avoid changing RX/TX buffers on MTU changes
2015-12-23 22:52:08 -05:00
Merge branches 'acpica', 'acpi-video' and 'device-properties'
2015-12-04 14:01:17 +01:00
atomic: remove all traces of READ_ONCE_CTRL() and atomic*_read_ctrl()
2015-11-03 17:22:17 -08:00
audit: audit_string_contains_control can be boolean
2015-11-04 08:23:51 -05:00
Merge branch 'for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2015-11-05 14:51:32 -08:00
bitops.h: correctly handle rol32 with 0 byte shift
2015-12-09 10:35:16 -08:00
blkcg: fix incorrect read/write sync/async stat accounting
2015-10-27 15:04:56 +09:00
block: add block polling support
2015-11-07 10:40:47 -07:00
block: don't hardcode blk_qc_t -> tag mask
2015-11-11 09:37:34 -07:00
block: add blk_start_queue_async()
2015-12-28 13:07:07 -07:00
x86/mm: Introduce max_possible_pfn
2015-12-06 12:46:31 +01:00
bpf: fix clearing on persistent program array maps
2015-11-25 12:14:09 -05:00
vfs: remove unused wrapper block_page_mkwrite()
2015-11-11 02:19:33 -05:00
cgroup: fix handling of multi-destination migration from subtree_control enabling
2015-12-03 10:18:21 -05:00
cgroup: fix handling of multi-destination migration from subtree_control enabling
2015-12-03 10:18:21 -05:00
clk: Add clk_hw_is_enabled() for use by clk providers
2015-10-26 12:36:55 -07:00
timekeeping: Lift clocksource cacheline restriction
2015-11-25 22:28:30 +01:00
mm: cma: fix incorrect type conversion for size during dma allocation
2015-10-23 17:55:10 +09:00
mm, compaction: distinguish contended status in tracepoints
2015-11-05 19:34:48 -08:00
include/linux/compiler-gcc.h: improve __visible documentation
2015-11-06 17:50:42 -08:00
locking, sched: Introduce smp_cond_acquire() and use it
2015-12-04 10:33:41 +01:00
configfs: allow dynamic group creation
2015-11-20 16:17:32 -08:00
sched/cputime: Rename vtime_accounting_enabled() to vtime_accounting_cpu_enabled()
2015-12-04 10:34:45 +01:00
context_tracking: Switch to new static_branch API
2015-11-24 09:56:43 +01:00
move count_zeroes.h out of asm-generic
2015-10-15 00:21:07 +02:00
cpufreq: use last policy after online for drivers with ->setpolicy
2015-12-02 23:50:33 +01:00
mm, page_alloc: remove unnecessary taking of a seqlock when cpusets are disabled
2015-11-06 17:50:42 -08:00
debugfs: Add debugfs_create_ulong()
2015-10-18 10:14:39 -07:00
switch ->get_link() to delayed_call, kill ->put_link()
2015-12-30 13:01:03 -05:00
thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister
2015-11-02 13:14:44 -08:00
dm: refactor ioctl handling
2015-10-31 19:05:59 -04:00
mm: cma: fix incorrect type conversion for size during dma allocation
2015-10-23 17:55:10 +09:00
iommu: Implement common IOMMU ops for DMA mapping
2015-10-15 16:41:04 +02:00
dma-mapping: tidy up dma_parms default handling
2015-11-06 17:50:42 -08:00
iommu/vt-d: Implement deferred invalidate for SVM
2015-10-15 13:22:35 +01:00
net: dns_resolver: convert time_t to time64_t
2015-11-18 16:27:46 -05:00
driver core update for 4.4-rc1
2015-11-04 21:50:37 -08:00
efi: Use correct type for struct efi_memory_map::phys_map
2015-10-28 12:28:06 +01:00
ses: fix additional element traversal bug
2015-12-11 11:05:57 -08:00
extcon: Modify the id and name of external connector
2015-10-16 08:30:09 +09:00
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
2015-11-10 09:33:06 -08:00
vfs: Fix pathological performance case for __alloc_fd()
2015-10-31 16:12:10 -07:00
dma-buf/fence: add fence_is_later()
2015-10-30 01:47:27 -04:00
net: filter: make JITs zero A for SKF_AD_ALU_XOR_X
2016-01-06 00:43:52 -05:00
Merge branch 'work.symlinks' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-11 13:13:23 -08:00
ftrace/module: Call clean up function when module init fails early
2016-01-07 12:17:39 -05:00
Power management and ACPI updates for v4.4-rc1
2015-11-04 18:10:13 -08:00
block: move blk_integrity to request_queue
2015-10-21 14:43:42 -06:00
mm: fix up sparse warning in gfpflags_allow_blocking
2015-11-20 16:17:32 -08:00
HID: hid-input: allow input_configured callback return errors
2015-11-05 09:51:50 -08:00
kmap_atomic_to_page() has no users, remove it
2015-11-09 15:11:24 -08:00
mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status
2015-11-05 19:34:48 -08:00
mm: make compound_head() robust
2015-11-06 17:50:42 -08:00
drivers/hv: share Hyper-V SynIC constants with userspace
2015-11-04 16:24:33 +01:00
i2c: ocores: support big-endian register layout
2015-10-20 17:47:45 +02:00
if_link: Add control trust VF
2015-10-23 05:44:28 -07:00
sched/cputime: Convert vtime_seqlock to seqcount
2015-12-04 10:34:46 +01:00
iommu/vt-d: Implement SVM_FLAG_PRIVATE_PASID to allocate unique PASIDs
2015-10-15 15:35:32 +01:00
iommu/vt-d: Expose struct svm_dev_ops without CONFIG_INTEL_IOMMU_SVM
2015-10-27 08:36:08 +09:00
genirq: Implement irq_percpu_is_enabled()
2015-12-08 12:53:29 +01:00
iommu-common: Fix error code used in iommu_tbl_range_{alloc,free}().
2015-11-04 11:30:57 -08:00
iommu: Add generic_device_group() function
2015-10-22 00:00:49 +02:00
ACPI/PCI: Enhance ACPI core to support sparse IO space
2015-10-16 22:18:51 +02:00
ipv6: add complete rcu protection around np->opt
2015-12-02 23:37:16 -05:00
genirq: Free irq_desc with rcu
2015-12-14 10:03:46 +01:00
irqdomain: Allow domain lookup with DOMAIN_BUS_WIRED token
2016-01-26 16:00:14 +01:00
Document that IRQ_NONE should be returned when IRQ not actually handled
2015-10-30 10:13:26 +01:00
ext4, jbd2: ensure entering into panic after recording an error in superblock
2015-10-18 17:02:56 -04:00
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
include/linux/kdev_t.h: old/new_valid_dev() can return bool
2015-11-09 15:11:24 -08:00
panic, x86: Allow CPUs to save registers even if looping in NMI context
2015-12-19 11:07:01 +01:00
kexec: Fix race between panic() and crash_kexec()
2015-12-19 11:07:01 +01:00
KEYS: Merge the type-specific data with the payload data
2015-10-21 15:18:36 +01:00
KEYS: Merge the type-specific data with the payload data
2015-10-21 15:18:36 +01:00
mm: kmemleak: mark kmemleak_init prototype as __init
2015-12-12 10:15:34 -08:00
kref: Remove kref_put_spinlock_irqsave()
2015-11-28 19:33:29 -08:00
KVM: Provide function for VCPU lookup by id
2015-11-19 14:25:32 +01:00
arcnet: com20020-pci: add led trigger support
2015-10-26 09:10:56 +01:00
libata-eh.c: Introduce new ata port flag for controller which lockup on read log page
2015-12-07 10:25:57 -05:00
lightnvm: replace req queue with nvmdev for lld
2015-12-07 09:14:19 -07:00
list: Use WRITE_ONCE() when initializing list_head structures
2015-12-04 12:34:33 -08:00
list: Use READ_ONCE() when testing for empty lists
2015-11-23 10:37:35 -08:00
list: Use READ_ONCE() when testing for empty lists
2015-11-23 10:37:35 -08:00
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
phy: marvell: Add support for 88E1540 PHY
2015-11-17 15:25:43 -05:00
KVM: x86: Replace call-back set_tsc_khz() with a common function
2015-11-10 12:06:16 +01:00
mm/memblock: make memblock_remove_range() static
2015-11-05 19:34:48 -08:00
Merge branch 'akpm' (patches from Andrew)
2015-11-05 23:10:54 -08:00
mm: memory hotplug with an existing resource
2015-10-23 14:19:58 +01:00
Input: add userio module
2015-10-27 18:55:31 -07:00
mm: use 'unsigned int' for page order
2015-11-06 17:50:42 -08:00
mm: use 'unsigned int' for compound_dtor/compound_order on 64BIT
2015-11-06 17:50:42 -08:00
include/linux/mmdebug.h: should include linux/bug.h
2015-12-18 14:25:40 -08:00
include/linux/mmzone.h: reflow comment
2015-11-06 17:50:42 -08:00
sound updates for 4.4-rc1
2015-11-06 11:04:07 -08:00
module: export param_free_charp()
2015-11-06 17:50:42 -08:00
lib/mpi: clean unused SHA1_DIGEST_LENGTH
2015-10-20 22:10:45 +08:00
platform-msi: Allow creation of a MSI-based stacked irq domain
2015-12-16 15:29:44 +00:00
tty: r3964: Replace/remove bogus tty lock use
2015-10-17 21:11:29 -07:00
net: fix sock_wake_async() rcu protection
2015-12-01 15:45:05 -05:00
net/core: fix for_each_netdev_feature
2015-11-03 11:29:57 -05:00
net: remove unnecessary semicolon in netdev_alloc_pcpu_stats()
2015-12-06 22:32:32 -05:00
netfilter: turn NF_HOOK into an inline function
2015-10-16 18:45:36 +02:00
netfilter: ingress: fix wrong input interface on hook
2015-11-06 19:33:12 +01:00
nfs: get clone_blksize when probing fsinfo
2015-10-15 16:08:18 -04:00
teach nfs_get_link() to work in RCU mode
2015-12-08 22:41:55 -05:00
nfs: get clone_blksize when probing fsinfo
2015-10-15 16:08:18 -04:00
nfs: use sliding delay when LAYOUTGET gets NFS4ERR_DELAY
2015-11-23 21:57:44 -05:00
kernel/watchdog.c: perform all-CPU backtrace in case of hard lockup
2015-11-05 19:34:48 -08:00
of: Provide static inline function for of_translate_address if needed
2015-11-10 17:27:12 -06:00
of: Provide static inline function for of_translate_address if needed
2015-11-10 17:27:12 -06:00
dmaengine: of_dma: Correct return code for of_dma_request_slave_channel in case !CONFIG_OF
2015-11-16 09:03:21 +05:30
gpiolib: Add and use OF_GPIO_SINGLE_ENDED flag
2015-10-16 22:49:26 +02:00
of/irq: move of_msi_map_rid declaration to the correct ifdef section
2015-12-09 09:23:28 -06:00
More power management and ACPI updates for v4.4-rc1
2015-11-12 11:50:33 -08:00
ARM: OMAP1: fix incorrect INT_DMA_LCD
2015-10-28 10:05:58 -07:00
mm: make compound_head() robust
2015-11-06 17:50:42 -08:00
mm: page_counter: let page_counter_try_charge() return bool
2015-11-05 19:34:48 -08:00
mm: use 'unsigned int' for page order
2015-11-06 17:50:42 -08:00
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
PCI/ACPI: Add interface acpi_pci_root_create()
2015-10-16 22:18:51 +02:00
acpi: pci: Setup MSI domain for ACPI based pci devices
2015-12-21 13:49:32 +00:00
perf/core: Robustify the perf_cgroup_from_task() RCU checks
2015-11-23 09:21:03 +01:00
net: phy: Add nested variants of mdiobus read/write
2015-10-23 05:57:43 -07:00
PM / Domains: Merge measurements for PM QoS device latencies
2015-10-28 04:33:04 +01:00
posix acls: Remove duplicate xattr name definitions
2015-12-06 21:25:17 -05:00
block: add an API for Persistent Reservations
2015-10-21 14:46:56 -06:00
device property: ACPI: Remove unused DMA APIs
2015-11-07 01:29:22 +01:00
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
pstore: add pstore unregister
2015-10-22 08:59:18 -07:00
ptp: Change ptp_class to a proper bitmask
2015-11-03 11:08:22 -05:00
pwm: Set enable state properly on failed call to enable
2015-11-10 13:06:16 +01:00
spi: pxa2xx: Add support for Intel Broxton
2015-10-30 11:18:05 +09:00
rbtree: clarify documentation of rbtree_postorder_for_each_entry_safe()
2015-11-06 17:50:42 -08:00
Merge branches 'doc.2015.12.05a', 'exp.2015.12.07a', 'fixes.2015.12.07a', 'list.2015.12.04b' and 'torture.2015.12.05a' into HEAD
2015-12-07 17:02:54 -08:00
Merge branches 'doc.2015.12.05a', 'exp.2015.12.07a', 'fixes.2015.12.07a', 'list.2015.12.04b' and 'torture.2015.12.05a' into HEAD
2015-12-07 17:02:54 -08:00
rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}()
2015-12-07 17:01:31 -08:00
rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}()
2015-12-07 17:01:31 -08:00
rhashtable: Prevent spurious EBUSY errors on insertion
2015-12-04 14:38:26 -05:00
ring_buffer: ring_buffer_empty{cpu}() can return boolean
2015-11-02 14:23:38 -05:00
Input: rotary-encoder - add support for quarter-period mode
2015-10-16 15:32:18 -07:00
sched/core: Move sched_entity::avg into separate cache line
2016-01-06 11:06:14 +01:00
time: Define dummy functions for the generic sched clock
2015-12-15 09:41:09 +01:00
scpi: hide get_scpi_ops in module from built-in code
2015-11-19 16:22:43 +01:00
seccomp, ptrace: add support for dumping seccomp filters
2015-10-27 19:55:13 -07:00
kernel/signal.c: unexport sigsuspend()
2015-11-20 16:17:32 -08:00
mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd
2015-11-06 17:50:42 -08:00
slab/slub: adjust kmem_cache_alloc_bulk API
2015-11-22 11:58:44 -08:00
stop_machine: Kill smp_hotplug_thread->pre_unpark, introduce stop_machine_unpark()
2015-10-20 10:23:55 +02:00
Merge branch 'sched/urgent' into sched/core, to pick up fixes before merging new patches
2016-01-06 11:02:29 +01:00
bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus
2015-10-26 10:11:58 +09:00
arm64: fix building without CONFIG_UID16
2015-11-25 15:49:13 +00:00
platform/chrome: Branch for v4.4
2015-11-13 21:53:18 -08:00
block: Consolidate static integrity profile properties
2015-10-21 14:42:38 -06:00
tcp: fix req->saved_syn race
2015-11-05 14:36:09 -05:00
thermal: fix thermal_zone_bind_cooling_device prototype
2015-11-23 15:34:34 -08:00
time: Verify time values in adjtimex ADJ_SETOFFSET to avoid overflow
2015-12-10 22:41:06 -08:00
tpm: seal/unseal for TPM 2.0
2015-10-19 01:01:21 +02:00
tracing: Implement event pid filtering
2015-10-25 21:33:56 -04:00
memcg: punt high overage reclaim to return-to-userland path
2015-11-05 19:34:48 -08:00
tracepoints: Move struct tracepoint to new tracepoint-defs.h header
2015-12-06 12:56:06 +01:00
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-11 14:39:17 -08:00
tty: audit: Fix audit source
2015-11-20 16:19:54 -08:00
arm64: fix building without CONFIG_UID16
2015-11-25 15:49:13 +00:00
uaccess: reimplement probe_kernel_address() using probe_kernel_read()
2015-11-05 19:34:48 -08:00
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
Revert: "vfio: Include No-IOMMU mode"
2015-12-04 08:38:42 -07:00
vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT
2015-11-05 11:07:36 +10:00
include/linux/vm_event_item.h: change HIGHMEM_ZONE macro definition
2015-11-05 19:34:48 -08:00
mm: get rid of 'vmalloc_info' from /proc/meminfo
2015-11-01 17:09:15 -08:00
vme: 8-bit status/id takes 256 values, not 255
2015-10-17 22:03:00 -07:00
mm/vmstat: fix overflow in mod_zone_page_state()
2015-12-29 17:45:49 -08:00
sched/cputime: Introduce vtime accounting check for readers
2015-12-04 10:34:45 +01:00
Merge branch 'sched/urgent' into sched/core, to pick up fixes before merging new patches
2016-01-06 11:02:29 +01:00
watchdog: include: add units for timeout values in kerneldoc
2015-11-03 20:46:26 +01:00
xattr handlers: Simplify list operation
2015-12-13 19:46:12 -05:00
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
include/linux/zutil.h: fix usage example of zlib_adler32()
2015-11-06 17:50:42 -08:00
