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Allow holding to be called with interrupts enabled (for Mark Morrissey).

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This commit is contained in:
Frans Kaashoek 2018-08-30 16:14:34 -04:00
parent 2c73068e82
commit 1d19081efb
1 changed files with 5 additions and 1 deletions
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6
spinlock.c
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@ -89,7 +89,11 @@ getcallerpcs(void *v, uint pcs[])
int int
holding(struct spinlock *lock) holding(struct spinlock *lock)
{ {
return lock->locked && lock->cpu == mycpu(); int r;
pushcli();
r = lock->locked && lock->cpu == mycpu();
popcli();
return r;
} }