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Kefeng Wang 82e1fb4d37 genirq: Initialize request_mutex if CONFIG_SPARSE_IRQ=n 
commit e8458e7afa upstream.

When CONFIG_SPARSE_IRQ is disable, the request_mutex in struct irq_desc
is not initialized which causes malfunction.

Fixes: 9114014cf4 ("genirq: Add mutex to irq desc to serialize request/free_irq()")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190404074512.145533-1-wangkefeng.wang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-17 08:37:53 +02:00
..
bpf
bpf: fix lockdep false positive in percpu_freelist
2019-03-13 14:03:20 -07:00
cgroup
cgroup/pids: turn cgroup_subsys->free() into cgroup_subsys->release() to fix the accounting
2019-04-05 22:31:37 +02:00
configs
…
debug
kdb: Don't back trace on a cpu that didn't round up
2019-02-12 19:46:09 +01:00
events
perf core: Fix perf_proc_update_handler() bug
2019-03-13 14:03:11 -07:00
gcov
…
irq
genirq: Initialize request_mutex if CONFIG_SPARSE_IRQ=n
2019-04-17 08:37:53 +02:00
livepatch
livepatch: Validate module/old func name length
2018-09-09 19:55:58 +02:00
locking
locking/lockdep: Add debug_locks check in __lock_downgrade()
2019-03-27 14:13:54 +09:00
power
PM / sleep: wakeup: Fix build error caused by missing SRCU support
2018-09-09 19:55:58 +02:00
printk
printk: Wake klogd when passing console_lock owner
2018-12-17 09:28:55 +01:00
rcu
rcu: Do RCU GP kthread self-wakeup from softirq and interrupt
2019-03-23 14:35:30 +01:00
sched
sched/debug: Initialize sd_sysctl_cpus if !CONFIG_CPUMASK_OFFSTACK
2019-04-05 22:31:36 +02:00
time
alarmtimer: Return correct remaining time
2019-04-17 08:37:52 +02:00
trace
tracing: kdb: Fix ftdump to not sleep
2019-04-05 22:31:25 +02:00
.gitignore
…
acct.c
…
async.c
…
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
audit: fix use-after-free in audit_add_watch
2018-09-26 08:38:09 +02:00
audit.c
audit: return on memory error to avoid null pointer dereference
2018-05-30 07:52:39 +02:00
audit.h
…
auditfilter.c
audit: allow not equal op for audit by executable
2018-08-03 07:50:39 +02:00
auditsc.c
audit: fix potential null dereference 'context->module.name'
2018-08-06 16:20:49 +02:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-11-13 11:15:08 -08:00
capability.c
…
compat.c
compat: fix 4-byte infoleak via uninitialized struct field
2018-05-16 10:10:26 +02:00
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/hotplug: Mute hotplug lockdep during init
2019-04-05 22:31:38 +02:00
crash_core.c
…
crash_dump.c
…
cred.c
…
delayacct.c
delayacct: Use raw_spinlocks
2018-08-03 07:50:38 +02:00
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
cgroup/pids: turn cgroup_subsys->free() into cgroup_subsys->release() to fix the accounting
2019-04-05 22:31:37 +02:00
extable.c
…
fork.c
fork: record start_time late
2019-01-13 10:01:02 +01:00
freezer.c
…
futex_compat.c
…
futex.c
futex: Ensure that futex address is aligned in handle_futex_death()
2019-03-27 14:13:52 +09:00
groups.c
…
hung_task.c
kernel/hung_task.c: force console verbose before panic
2019-02-12 19:46:10 +01:00
irq_work.c
…
jump_label.c
sched/core: Fix cpu.max vs. cpuhotplug deadlock
2018-12-05 19:41:17 +01:00
kallsyms.c
…
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: ensure irq code sees a valid area
2018-08-03 07:50:22 +02:00
kexec_core.c
…
kexec_file.c
…
kexec_internal.h
…
kexec.c
…
kmod.c
…
kprobes.c
kprobes: Return error if we fail to reuse kprobe instead of BUG_ON()
2018-11-13 11:14:55 -08:00
ksysfs.c
…
kthread.c
kthread, tracing: Don't expose half-written comm when creating kthreads
2018-08-03 07:50:21 +02:00
latencytop.c
…
Makefile
…
memremap.c
mm, devm_memremap_pages: kill mapping "System RAM" support
2019-01-13 10:01:02 +01:00
module_signing.c
…
module-internal.h
…
module.c
kobject: return error code if writing /sys/.../uevent fails
2019-02-12 19:46:02 +01:00
notifier.c
…
nsproxy.c
…
padata.c
…
panic.c
panic: avoid deadlocks in re-entrant console drivers
2018-12-29 13:39:10 +01:00
params.c
…
pid_namespace.c
…
pid.c
…
profile.c
…
ptrace.c
ptrace: Remove unused ptrace_may_access_sched() and MODE_IBRS
2018-12-05 19:41:21 +01:00
range.c
…
reboot.c
…
relay.c
relay: check return of create_buf_file() properly
2019-03-13 14:03:20 -07:00
resource.c
…
seccomp.c
seccomp: Move speculation migitation control to arch code
2018-05-22 18:54:04 +02:00
signal.c
signal: Restore the stop PTRACE_EVENT_EXIT
2019-02-20 10:20:54 +01:00
smp.c
cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
2019-02-12 19:46:13 +01:00
smpboot.c
…
smpboot.h
…
softirq.c
Mark HI and TASKLET softirq synchronous
2018-08-15 18:12:47 +02:00
stacktrace.c
…
stop_machine.c
stop_machine: Atomically queue and wake stopper threads
2018-09-05 09:26:36 +02:00
sys_ni.c
…
sys.c
sys: don't hold uts_sem while accessing userspace memory
2018-09-09 19:56:00 +02:00
sysctl_binary.c
…
sysctl.c
sysctl: handle overflow for file-max
2019-04-05 22:31:26 +02:00
task_work.c
…
taskstats.c
…
test_kprobes.c
…
torture.c
…
tracepoint.c
tracepoint: Do not warn on ENOMEM
2018-05-09 09:51:50 +02:00
tsacct.c
…
ucount.c
…
uid16.c
…
umh.c
…
up.c
…
user_namespace.c
userns: move user access out of the mutex
2018-09-09 19:56:00 +02:00
user-return-notifier.c
…
user.c
…
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-09-09 19:56:00 +02:00
utsname.c
…
watchdog_hld.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00
watchdog.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00
workqueue_internal.h
…
workqueue.c
watchdog: Mark watchdog touch functions as notrace
2018-09-05 09:26:42 +02:00