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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-23 13:27:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-23 13:27:43 +0200 |
| commit | e5019b14230a0bc1f6641c9850ae39cfe76ad2aa (patch) | |
| tree | e3ff6870ee176d6dd1944d58a478f5db0a2fdba7 /drivers/base/core.c | |
| parent | treewide: Use sysfs_bin_attr_simple_read() helper (diff) | |
| parent | Linux 6.9-rc5 (diff) | |
| download | linux-e5019b14230a0bc1f6641c9850ae39cfe76ad2aa.tar.xz linux-e5019b14230a0bc1f6641c9850ae39cfe76ad2aa.zip | |
Merge 6.9-rc5 into driver-core-next
We want the kernfs fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 78dfa74ee18b..4d51928c4088 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -44,6 +44,7 @@ static bool fw_devlink_is_permissive(void); static void __fw_devlink_link_to_consumers(struct device *dev); static bool fw_devlink_drv_reg_done; static bool fw_devlink_best_effort; +static struct workqueue_struct *device_link_wq; /** * __fwnode_link_add - Create a link between two fwnode_handles. @@ -533,12 +534,26 @@ static void devlink_dev_release(struct device *dev) /* * It may take a while to complete this work because of the SRCU * synchronization in device_link_release_fn() and if the consumer or - * supplier devices get deleted when it runs, so put it into the "long" - * workqueue. + * supplier devices get deleted when it runs, so put it into the + * dedicated workqueue. */ - queue_work(system_long_wq, &link->rm_work); + queue_work(device_link_wq, &link->rm_work); } +/** + * device_link_wait_removal - Wait for ongoing devlink removal jobs to terminate + */ +void device_link_wait_removal(void) +{ + /* + * devlink removal jobs are queued in the dedicated work queue. + * To be sure that all removal jobs are terminated, ensure that any + * scheduled work has run to completion. + */ + flush_workqueue(device_link_wq); +} +EXPORT_SYMBOL_GPL(device_link_wait_removal); + static struct class devlink_class = { .name = "devlink", .dev_groups = devlink_groups, @@ -4156,9 +4171,14 @@ int __init devices_init(void) sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj); if (!sysfs_dev_char_kobj) goto char_kobj_err; + device_link_wq = alloc_workqueue("device_link_wq", 0, 0); + if (!device_link_wq) + goto wq_err; return 0; + wq_err: + kobject_put(sysfs_dev_char_kobj); char_kobj_err: kobject_put(sysfs_dev_block_kobj); block_kobj_err: |