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a5d906bb26
This can fix below dump when the lock is accessed at host
mode due to it is not initialized.
[ 46.119638] INFO: trying to register non-static key.
[ 46.124643] the code is fine but needs lockdep annotation.
[ 46.130144] turning off the locking correctness validator.
[ 46.135659] CPU: 0 PID: 690 Comm: cat Not tainted 4.9.0-rc3-00079-g4b75f1d #1210
[ 46.143075] Hardware name: Freescale i.MX6 SoloX (Device Tree)
[ 46.148923] Backtrace:
[ 46.151448] [<c010c460>] (dump_backtrace) from [<c010c658>] (show_stack+0x18/0x1c)
[ 46.159038] r7:edf52000
[ 46.161412] r6:60000193
[ 46.163967] r5:00000000
[ 46.165035] r4:c0e25c2c
[ 46.169109] [<c010c640>] (show_stack) from [<c03f58a4>] (dump_stack+0xb4/0xe8)
[ 46.176362] [<c03f57f0>] (dump_stack) from [<c016d690>] (register_lock_class+0x4fc/0x56c)
[ 46.184554] r10:c0e25d24
[ 46.187014] r9:edf53e70
[ 46.189569] r8:c1642444
[ 46.190637] r7:ee9da024
[ 46.193191] r6:00000000
[ 46.194258] r5:00000000
[ 46.196812] r4:00000000
[ 46.199185] r3:00000001
[ 46.203259] [<c016d194>] (register_lock_class) from [<c0171294>] (__lock_acquire+0x80/0x10f0)
[ 46.211797] r10:c0e25d24
[ 46.214257] r9:edf53e70
[ 46.216813] r8:ee9da024
[ 46.217880] r7:c1642444
[ 46.220435] r6:edcd1800
[ 46.221502] r5:60000193
[ 46.224057] r4:00000000
[ 46.227953] [<c0171214>] (__lock_acquire) from [<c01726c0>] (lock_acquire+0x74/0x94)
[ 46.235710] r10:00000001
[ 46.238169] r9:edf53e70
[ 46.240723] r8:edf53f80
[ 46.241790] r7:00000001
[ 46.244344] r6:00000001
[ 46.245412] r5:60000193
[ 46.247966] r4:00000000
[ 46.251866] [<c017264c>] (lock_acquire) from [<c096c8fc>] (_raw_spin_lock_irqsave+0x40/0x54)
[ 46.260319] r7:ee1c6a00
[ 46.262691] r6:c062a570
[ 46.265247] r5:20000113
[ 46.266314] r4:ee9da014
[ 46.270393] [<c096c8bc>] (_raw_spin_lock_irqsave) from [<c062a570>] (ci_port_test_show+0x2c/0x70)
[ 46.279280] r6:eebd2000
[ 46.281652] r5:ee9da010
[ 46.284207] r4:ee9da014
[ 46.286810] [<c062a544>] (ci_port_test_show) from [<c0248d04>] (seq_read+0x1ac/0x4f8)
[ 46.294655] r9:edf53e70
[ 46.297028] r8:edf53f80
[ 46.299583] r7:ee1c6a00
[ 46.300650] r6:00000001
[ 46.303205] r5:00000000
[ 46.304273] r4:eebd2000
[ 46.306850] [<c0248b58>] (seq_read) from [<c039e864>] (full_proxy_read+0x54/0x6c)
[ 46.314348] r10:00000000
[ 46.316808] r9:c0a6ad30
[ 46.319363] r8:edf53f80
[ 46.320430] r7:00020000
[ 46.322986] r6:b6de3000
[ 46.324053] r5:ee1c6a00
[ 46.326607] r4:c0248b58
[ 46.330505] [<c039e810>] (full_proxy_read) from [<c021ec98>] (__vfs_read+0x34/0x118)
[ 46.338262] r9:edf52000
[ 46.340635] r8:c0107fc4
[ 46.343190] r7:00020000
[ 46.344257] r6:edf53f80
[ 46.346812] r5:c039e810
[ 46.347879] r4:ee1c6a00
[ 46.350447] [<c021ec64>] (__vfs_read) from [<c021fbd0>] (vfs_read+0x8c/0x11c)
[ 46.357597] r9:edf52000
[ 46.359969] r8:c0107fc4
[ 46.362524] r7:edf53f80
[ 46.363592] r6:b6de3000
[ 46.366147] r5:ee1c6a00
[ 46.367214] r4:00020000
[ 46.369782] [<c021fb44>] (vfs_read) from [<c0220a4c>] (SyS_read+0x4c/0xa8)
[ 46.376672] r8:c0107fc4
[ 46.379045] r7:00020000
[ 46.381600] r6:b6de3000
[ 46.382667] r5:ee1c6a00
[ 46.385222] r4:ee1c6a00
[ 46.387817] [<c0220a00>] (SyS_read) from [<c0107e20>] (ret_fast_syscall+0x0/0x1c)
[ 46.395314] r7:00000003
[ 46.397687] r6:b6de3000
[ 46.400243] r5:00020000
[ 46.401310] r4:00020000
Cc: <stable@vger.kernel.org>
Fixes:
|
||
|---|---|---|
| .. | ||
| accessibility | ||
| acpi | ||
| amba | ||
| android | ||
| ata | ||
| atm | ||
| auxdisplay | ||
| base | ||
| bcma | ||
| block | ||
| bluetooth | ||
| bus | ||
| cdrom | ||
| char | ||
| clk | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| cpuidle | ||
| crypto | ||
| dax | ||
| dca | ||
| devfreq | ||
| dio | ||
| dma | ||
| dma-buf | ||
| edac | ||
| eisa | ||
| extcon | ||
| firewire | ||
| firmware | ||
| fmc | ||
| fpga | ||
| gpio | ||
| gpu | ||
| hid | ||
| hsi | ||
| hv | ||
| hwmon | ||
| hwspinlock | ||
| hwtracing | ||
| i2c | ||
| ide | ||
| idle | ||
| iio | ||
| infiniband | ||
| input | ||
| iommu | ||
| ipack | ||
| irqchip | ||
| isdn | ||
| leds | ||
| lguest | ||
| lightnvm | ||
| macintosh | ||
| mailbox | ||
| mcb | ||
| md | ||
| media | ||
| memory | ||
| memstick | ||
| message | ||
| mfd | ||
| misc | ||
| mmc | ||
| mtd | ||
| net | ||
| nfc | ||
| ntb | ||
| nubus | ||
| nvdimm | ||
| nvme | ||
| nvmem | ||
| of | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| perf | ||
| phy | ||
| pinctrl | ||
| platform | ||
| pnp | ||
| power | ||
| powercap | ||
| pps | ||
| ps3 | ||
| ptp | ||
| pwm | ||
| rapidio | ||
| ras | ||
| regulator | ||
| remoteproc | ||
| reset | ||
| rpmsg | ||
| rtc | ||
| s390 | ||
| sbus | ||
| scsi | ||
| sfi | ||
| sh | ||
| sn | ||
| soc | ||
| spi | ||
| spmi | ||
| ssb | ||
| staging | ||
| target | ||
| tc | ||
| thermal | ||
| thunderbolt | ||
| tty | ||
| uio | ||
| usb | ||
| uwb | ||
| vfio | ||
| vhost | ||
| video | ||
| virt | ||
| virtio | ||
| vlynq | ||
| vme | ||
| w1 | ||
| watchdog | ||
| xen | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||