diff options
| author |   Ingo Molnar <mingo@kernel.org> | 2019-09-16 14:04:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-09-16 14:05:04 +0200 |
| commit | 563c4f85f9f0d63b712081d5b4522152cdcb8b6b (patch) | |
| tree | 92351ab2d60d5fd7ce5745d21c9a60ce6d46c5dd /include/linux/device.h | |
| parent | sched/psi: Correct overly pessimistic size calculation (diff) | |
| parent | x86/kvm: Use CONFIG_PREEMPTION (diff) | |
Merge branch 'sched/rt' into sched/core, to pick up -rt changes
Pick up the first couple of patches working towards PREEMPT_RT.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index c330b75c6c57..6717adee33f0 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -915,6 +915,8 @@ struct dev_links_info { * This identifies the device type and carries type-specific * information. * @mutex: Mutex to synchronize calls to its driver. + * @lockdep_mutex: An optional debug lock that a subsystem can use as a + * peer lock to gain localized lockdep coverage of the device_lock. * @bus: Type of bus device is on. * @driver: Which driver has allocated this * @platform_data: Platform data specific to the device. @@ -998,6 +1000,9 @@ struct device { core doesn't touch it */ void *driver_data; /* Driver data, set and get with dev_set_drvdata/dev_get_drvdata */ +#ifdef CONFIG_PROVE_LOCKING + struct mutex lockdep_mutex; +#endif struct mutex mutex; /* mutex to synchronize calls to * its driver. */ @@ -1383,6 +1388,7 @@ extern int (*platform_notify_remove)(struct device *dev); */ extern struct device *get_device(struct device *dev); extern void put_device(struct device *dev); +extern bool kill_device(struct device *dev); #ifdef CONFIG_DEVTMPFS extern int devtmpfs_create_node(struct device *dev); |