Imbus/xv6-riscv-kernel
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it's not clear that the release will always enable interrupts

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This commit is contained in:
Robert Morris 2019-07-19 13:27:48 -04:00
parent dbd729b32d
commit 2418ac380c
1 changed files with 3 additions and 3 deletions
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4
kernel/proc.c
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@ -419,11 +419,11 @@ scheduler(void)
struct proc *p; struct proc *p;
struct cpu *c = mycpu(); struct cpu *c = mycpu();
c->proc = 0;
for(;;){
// Let devices interrupt when no lock is held. // Let devices interrupt when no lock is held.
intr_on(); intr_on();
c->proc = 0;
for(;;){
for(p = proc; p < &proc[NPROC]; p++) { for(p = proc; p < &proc[NPROC]; p++) {
acquire(&p->lock); acquire(&p->lock);
if(p->state == RUNNABLE) { if(p->state == RUNNABLE) {