https://github.com/torvalds/linux
Revision 8f0712037b4ed63dfce844939ac9866054f15ca0 authored by Leo Yan on 16 April 2014, 12:26:35 UTC, committed by Catalin Marinas on 25 April 2014, 15:46:51 UTC
ARM64 has defined the spinlock for init_mm's context, so need initialize the spinlock structure; otherwise during the suspend flow it will dump the info for spinlock's bad magic warning as below: [ 39.084394] Disabling non-boot CPUs ... [ 39.092871] BUG: spinlock bad magic on CPU#1, swapper/1/0 [ 39.092896] lock: init_mm+0x338/0x3e0, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 [ 39.092907] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G O 3.10.33 #125 [ 39.092912] Call trace: [ 39.092927] [<ffffffc000087e64>] dump_backtrace+0x0/0x16c [ 39.092934] [<ffffffc000087fe0>] show_stack+0x10/0x1c [ 39.092947] [<ffffffc000765334>] dump_stack+0x1c/0x28 [ 39.092953] [<ffffffc0007653b8>] spin_dump+0x78/0x88 [ 39.092960] [<ffffffc0007653ec>] spin_bug+0x24/0x34 [ 39.092971] [<ffffffc000300a28>] do_raw_spin_lock+0x98/0x17c [ 39.092979] [<ffffffc00076cf08>] _raw_spin_lock_irqsave+0x4c/0x60 [ 39.092990] [<ffffffc000094044>] set_mm_context+0x1c/0x6c [ 39.092996] [<ffffffc0000941c8>] __new_context+0x94/0x10c [ 39.093007] [<ffffffc0000d63d4>] idle_task_exit+0x104/0x1b0 [ 39.093014] [<ffffffc00008d91c>] cpu_die+0x14/0x74 [ 39.093021] [<ffffffc000084f74>] arch_cpu_idle_dead+0x8/0x14 [ 39.093030] [<ffffffc0000e7f18>] cpu_startup_entry+0x1ec/0x258 [ 39.093036] [<ffffffc00008d810>] secondary_start_kernel+0x114/0x124 Signed-off-by: Leo Yan <leoy@marvell.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
1 parent 43683af
Tip revision: 8f0712037b4ed63dfce844939ac9866054f15ca0 authored by Leo Yan on 16 April 2014, 12:26:35 UTC
arm64: initialize spinlock for init_mm's context
arm64: initialize spinlock for init_mm's context
Tip revision: 8f07120
| File | Mode | Size |
|---|---|---|
| debug | ||
| events | ||
| gcov | ||
| irq | ||
| locking | ||
| power | ||
| printk | ||
| rcu | ||
| sched | ||
| time | ||
| trace | ||
| .gitignore | -rw-r--r-- | 91 bytes |
| Kconfig.freezer | -rw-r--r-- | 52 bytes |
| Kconfig.hz | -rw-r--r-- | 1.6 KB |
| Kconfig.locks | -rw-r--r-- | 4.3 KB |
| Kconfig.preempt | -rw-r--r-- | 2.1 KB |
| Makefile | -rw-r--r-- | 7.7 KB |
| acct.c | -rw-r--r-- | 16.8 KB |
| async.c | -rw-r--r-- | 9.9 KB |
| audit.c | -rw-r--r-- | 51.0 KB |
| audit.h | -rw-r--r-- | 10.3 KB |
| audit_tree.c | -rw-r--r-- | 22.0 KB |
| audit_watch.c | -rw-r--r-- | 13.6 KB |
| auditfilter.c | -rw-r--r-- | 33.6 KB |
| auditsc.c | -rw-r--r-- | 65.9 KB |
| backtracetest.c | -rw-r--r-- | 2.1 KB |
| bounds.c | -rw-r--r-- | 773 bytes |
| capability.c | -rw-r--r-- | 11.9 KB |
| cgroup.c | -rw-r--r-- | 130.4 KB |
| cgroup_freezer.c | -rw-r--r-- | 13.6 KB |
| compat.c | -rw-r--r-- | 28.7 KB |
| configs.c | -rw-r--r-- | 2.8 KB |
| context_tracking.c | -rw-r--r-- | 6.8 KB |
| cpu.c | -rw-r--r-- | 18.2 KB |
| cpu_pm.c | -rw-r--r-- | 6.5 KB |
| cpuset.c | -rw-r--r-- | 74.5 KB |
| crash_dump.c | -rw-r--r-- | 1.2 KB |
| cred.c | -rw-r--r-- | 21.2 KB |
| delayacct.c | -rw-r--r-- | 5.0 KB |
| dma.c | -rw-r--r-- | 3.6 KB |
| elfcore.c | -rw-r--r-- | 396 bytes |
| exec_domain.c | -rw-r--r-- | 4.3 KB |
| exit.c | -rw-r--r-- | 42.6 KB |
| extable.c | -rw-r--r-- | 3.9 KB |
| fork.c | -rw-r--r-- | 46.1 KB |
| freezer.c | -rw-r--r-- | 4.6 KB |
| futex.c | -rw-r--r-- | 77.5 KB |
| futex_compat.c | -rw-r--r-- | 4.5 KB |
| groups.c | -rw-r--r-- | 5.8 KB |
| hrtimer.c | -rw-r--r-- | 47.5 KB |
| hung_task.c | -rw-r--r-- | 5.7 KB |
| irq_work.c | -rw-r--r-- | 4.5 KB |
| itimer.c | -rw-r--r-- | 7.3 KB |
| jump_label.c | -rw-r--r-- | 11.0 KB |
| kallsyms.c | -rw-r--r-- | 15.0 KB |
| kcmp.c | -rw-r--r-- | 4.3 KB |
| kexec.c | -rw-r--r-- | 42.5 KB |
| kmod.c | -rw-r--r-- | 19.4 KB |
| kprobes.c | -rw-r--r-- | 58.8 KB |
| ksysfs.c | -rw-r--r-- | 5.6 KB |
| kthread.c | -rw-r--r-- | 18.6 KB |
| latencytop.c | -rw-r--r-- | 7.6 KB |
| module-internal.h | -rw-r--r-- | 458 bytes |
| module.c | -rw-r--r-- | 96.4 KB |
| module_signing.c | -rw-r--r-- | 5.9 KB |
| notifier.c | -rw-r--r-- | 16.0 KB |
| nsproxy.c | -rw-r--r-- | 6.3 KB |
| padata.c | -rw-r--r-- | 26.9 KB |
| panic.c | -rw-r--r-- | 11.3 KB |
| params.c | -rw-r--r-- | 21.8 KB |
| pid.c | -rw-r--r-- | 14.9 KB |
| pid_namespace.c | -rw-r--r-- | 9.0 KB |
| posix-cpu-timers.c | -rw-r--r-- | 38.2 KB |
| posix-timers.c | -rw-r--r-- | 30.2 KB |
| profile.c | -rw-r--r-- | 16.2 KB |
| ptrace.c | -rw-r--r-- | 29.9 KB |
| range.c | -rw-r--r-- | 3.0 KB |
| reboot.c | -rw-r--r-- | 9.6 KB |
| relay.c | -rw-r--r-- | 32.6 KB |
| res_counter.c | -rw-r--r-- | 4.4 KB |
| resource.c | -rw-r--r-- | 31.7 KB |
| seccomp.c | -rw-r--r-- | 13.4 KB |
| signal.c | -rw-r--r-- | 94.9 KB |
| smp.c | -rw-r--r-- | 16.9 KB |
| smpboot.c | -rw-r--r-- | 6.9 KB |
| smpboot.h | -rw-r--r-- | 564 bytes |
| softirq.c | -rw-r--r-- | 18.8 KB |
| stacktrace.c | -rw-r--r-- | 1.1 KB |
| stop_machine.c | -rw-r--r-- | 17.1 KB |
| sys.c | -rw-r--r-- | 50.5 KB |
| sys_ni.c | -rw-r--r-- | 6.0 KB |
| sysctl.c | -rw-r--r-- | 61.2 KB |
| sysctl_binary.c | -rw-r--r-- | 51.0 KB |
| system_certificates.S | -rw-r--r-- | 470 bytes |
| system_keyring.c | -rw-r--r-- | 2.7 KB |
| task_work.c | -rw-r--r-- | 3.4 KB |
| taskstats.c | -rw-r--r-- | 16.2 KB |
| test_kprobes.c | -rw-r--r-- | 8.5 KB |
| time.c | -rw-r--r-- | 18.8 KB |
| timeconst.bc | -rw-r--r-- | 2.7 KB |
| timer.c | -rw-r--r-- | 47.2 KB |
| torture.c | -rw-r--r-- | 19.2 KB |
| tracepoint.c | -rw-r--r-- | 13.4 KB |
| tsacct.c | -rw-r--r-- | 5.0 KB |
| uid16.c | -rw-r--r-- | 5.0 KB |
| up.c | -rw-r--r-- | 1.7 KB |
| user-return-notifier.c | -rw-r--r-- | 1.3 KB |
| user.c | -rw-r--r-- | 5.3 KB |
| user_namespace.c | -rw-r--r-- | 22.9 KB |
| utsname.c | -rw-r--r-- | 2.9 KB |
| utsname_sysctl.c | -rw-r--r-- | 3.0 KB |
| watchdog.c | -rw-r--r-- | 15.8 KB |
| workqueue.c | -rw-r--r-- | 141.1 KB |
| workqueue_internal.h | -rw-r--r-- | 2.1 KB |
Computing file changes ...
