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Fix thread-safety issue in rus_vm_fault

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Change-Id: I8640a8e0de8a0dfaee700b25e5f9e2941ac98fc8
This commit is contained in:
Masamichi Takagi
2018-09-01 00:33:54 +09:00
parent c6c3a84a46
commit 8f2c7d2265
1 changed files with 2 additions and 1 deletions
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3
executer/kernel/mcctrl/syscall.c
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@@ -851,7 +851,8 @@ static int rus_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
else else
error = vm_insert_pfn(vma, rva+(pix*PAGE_SIZE), pfn+pix); error = vm_insert_pfn(vma, rva+(pix*PAGE_SIZE), pfn+pix);
if (error) { if (error) {
#ifdef POSTK_DEBUG_TEMP_FIX_11 /* rus_vm_fault() multi-thread fix */ #if 1 /* POSTK_DEBUG_TEMP_FIX_11 */ /* rus_vm_fault() multi-thread fix */
printk("%s: vm_insert_pfn returned %d\n", __FUNCTION__, error);
if (error == -EBUSY) { if (error == -EBUSY) {
error = 0; error = 0;
} else { } else {