diff options
| author | Breno Leitao <leitao@debian.org> | 2026-08-05 07:52:36 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2026-08-10 11:47:20 -1000 |
| commit | a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656 (patch) | |
| tree | 39f5b258386e1127d253d293194e9a2991bf3c34 /drivers/gpib/common/ibsys.h | |
| download | linux-stable-a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656.tar.gz linux-stable-a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656.zip | |
workqueue: skip the node_nr_active update for non-unbound workqueuesgrafted
apply_wqattrs_commit() updates node_nr_active->max unconditionally.
wq->node_nr_active[] is only allocated for unbound workqueues, so guard
the call before per-cpu workqueues start using this path.
No functional change: only unbound workqueues reach apply_wqattrs_*()
today.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/gpib/common/ibsys.h')
| -rw-r--r-- | drivers/gpib/common/ibsys.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpib/common/ibsys.h b/drivers/gpib/common/ibsys.h new file mode 100644 index 000000000..e5a148f51 --- /dev/null +++ b/drivers/gpib/common/ibsys.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include "gpibP.h" + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/major.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/mm.h> +#include <linux/timer.h> + +#include <linux/io.h> +#include <linux/uaccess.h> +#include <asm/irq.h> +#include <asm/dma.h> + +#define MAX_GPIB_PRIMARY_ADDRESS 30 +#define MAX_GPIB_SECONDARY_ADDRESS 31 + +int gpib_allocate_board(struct gpib_board *board); +void gpib_deallocate_board(struct gpib_board *board); + +unsigned int num_status_bytes(const struct gpib_status_queue *dev); +int push_status_byte(struct gpib_board *board, struct gpib_status_queue *device, + u8 poll_byte); +int pop_status_byte(struct gpib_board *board, struct gpib_status_queue *device, + u8 *poll_byte); +struct gpib_status_queue *get_gpib_status_queue(struct gpib_board *board, + unsigned int pad, int sad); +int get_serial_poll_byte(struct gpib_board *board, unsigned int pad, int sad, + unsigned int usec_timeout, u8 *poll_byte); +int autopoll_all_devices(struct gpib_board *board); |
