Opened 15 years ago
Closed 15 years ago
#235 closed defect (fixed)
ddi_parea_* functions use blocking btree_* interfaces while holding parea_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, ddi_parea_register() takes the parea_spinlock and calls btree_insert() which may allocate memory for a new B+tree node and thus block. In this case, it may be plausible to replace the parea_spinlcok with a mutex.
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Fixed in changeset:head,416.