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Revert "workqueue.c: Increase workqueue name length" 

This reverts commit 43a181f8f4 which is
commit 31c8900728 upstream.

The workqueue patches backported to 6.6.y caused some reported
regressions, so revert them for now.

Reported-by: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: Tejun Heo <tj@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Audra Mitchell <audra@redhat.com>
Link: https://lore.kernel.org/all/ce4c2f67-c298-48a0-87a3-f933d646c73b@leemhuis.info/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2024-04-03 16:36:51 +02:00
parent d8354f268d
commit a99d7274a2
1 changed files with 2 additions and 6 deletions
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8
kernel/workqueue.c
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@ -108,7 +108,7 @@ enum {
RESCUER_NICE_LEVEL = MIN_NICE,
HIGHPRI_NICE_LEVEL = MIN_NICE,
WQ_NAME_LEN = 32,
WQ_NAME_LEN = 24,
};
/*
@ -4673,7 +4673,6 @@ struct workqueue_struct *alloc_workqueue(const char *fmt,
va_list args;
struct workqueue_struct *wq;
struct pool_workqueue *pwq;
int len;
/*
* Unbound && max_active == 1 used to imply ordered, which is no longer
@ -4700,12 +4699,9 @@ struct workqueue_struct *alloc_workqueue(const char *fmt,
}
va_start(args, max_active);
len = vsnprintf(wq->name, sizeof(wq->name), fmt, args);
vsnprintf(wq->name, sizeof(wq->name), fmt, args);
va_end(args);
if (len >= WQ_NAME_LEN)
pr_warn_once("workqueue: name exceeds WQ_NAME_LEN. Truncating to: %s\n", wq->name);
max_active = max_active ?: WQ_DFL_ACTIVE;
max_active = wq_clamp_max_active(max_active, flags, wq->name);