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Remove some debugging code

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This commit is contained in:
Frans Kaashoek 2019-07-02 20:52:30 -04:00
parent 26f306113a
commit ccf299850b
1 changed files with 1 additions and 8 deletions
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9
kernel/spinlock.c
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@ -47,16 +47,9 @@ acquire(struct spinlock *lk)
void void
release(struct spinlock *lk) release(struct spinlock *lk)
{ {
uint64 x; if(!holding(lk))
asm volatile("mv %0, ra" : "=r" (x) );
if(!holding(lk)) {
printf("%p: !holding %d %s %p %p %p %p\n", mycpu(), lk->locked, lk->name, lk->cpu,
lk->last_release, lk->last_pc, x);
panic("release"); panic("release");
}
lk->last_release = lk->cpu;
lk->last_pc = x;
lk->cpu = 0; lk->cpu = 0;
// Tell the C compiler and the CPU to not move loads or stores // Tell the C compiler and the CPU to not move loads or stores