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cpu: change _cpu()->thread calls to current_thread() to fix smp race

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Matheus
2024-09-15 17:47:26 -03:00
parent d1c0f2a5fd
commit e058d62261
65 changed files with 196 additions and 190 deletions
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kernel-src/fs/vfs.c
+7 -7
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@@ -22,10 +22,10 @@ static spinlock_t listlock;
static vfs_t *vfslist;
static cred_t *getcred() {
if (_cpu()->thread == NULL || _cpu()->thread->proc == NULL)
if (current_thread() == NULL || current_thread()->proc == NULL)
return NULL;
else
return &_cpu()->thread->proc->cred;
return &current_thread()->proc->cred;
}
int vfs_pollstub(vnode_t *node, struct polldata *, int events) {
@@ -251,7 +251,7 @@ int vfs_write(vnode_t *node, void *buffer, size_t size, uintmax_t offset, size_t
if (node->type == V_TYPE_REGULAR && newsize) {
// do resize stuff if regular and applicable
err = VOP_RESIZE(node, newsize, &_cpu()->thread->proc->cred);
err = VOP_RESIZE(node, newsize, &current_thread()->proc->cred);
if (err)
goto leave;
} else if (node->type == V_TYPE_BLKDEV) {
@@ -780,11 +780,11 @@ int vfs_lookup(vnode_t **result, vnode_t *start, char *path, char *lastcomp, int
// get the start node of the dereference
vnode_t *derefstart = current;
if (*linkderef == '/' && _cpu()->thread && _cpu()->thread->proc) {
MUTEX_ACQUIRE(&_cpu()->thread->proc->mutex, false);
derefstart = _cpu()->thread->proc->root;
if (*linkderef == '/' && current_thread() && current_thread()->proc) {
MUTEX_ACQUIRE(&current_thread()->proc->mutex, false);
derefstart = current_thread()->proc->root;
VOP_HOLD(derefstart);
MUTEX_RELEASE(&_cpu()->thread->proc->mutex);
MUTEX_RELEASE(&current_thread()->proc->mutex);
} else if (*linkderef == '/') {
derefstart = vfsroot;
VOP_HOLD(derefstart);