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Allow other threads to run while waiting for I/O in page faults

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Change-Id: I51e847a02a698b0ecf1e356d51599aa1c9400b15
This commit is contained in:
Balazs Gerofi
2019-09-26 12:15:52 +09:00
committed by Masamichi Takagi
parent 83ef96a739
commit 9b55b68934
1 changed files with 2 additions and 0 deletions
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2
kernel/process.c
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@ -2324,10 +2324,12 @@ int page_fault_process_vm(struct process_vm *fault_vm, void *fault_addr, uint64_
break; break;
} }
preempt_enable();
if (thread->pgio_fp) { if (thread->pgio_fp) {
(*thread->pgio_fp)(thread->pgio_arg); (*thread->pgio_fp)(thread->pgio_arg);
thread->pgio_fp = NULL; thread->pgio_fp = NULL;
} }
preempt_disable();
} }
return error; return error;