Opened 14 years ago
Closed 14 years ago
#236 closed defect (fixed)
sysinfo functions call blocking slab_alloc() while holding sysinfo_lock spinlock
| Reported by: | Jakub Jermář | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | 0.4.3 |
| Component: | helenos/kernel/generic | Version: | mainline |
| Keywords: | Cc: | ||
| Blocker for: | Depends on: | ||
| See also: |
Description
For example, according to its comment, sysinfo_create_path() needs to be called with sysinfo_lock held, but it calls a blocking variant of slab_alloc(). Note that blocking while holding a spinlock is considered harmful.
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Fixed in changeset:head,416.