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No locking in kernel code

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- No locking in RTS_(UN)SET macros

- No lock_notify()

- Removed unused lock_send()

- No lock/unlock macros anymore
This commit is contained in:
Tomas Hruby
2010-02-09 15:26:58 +00:00
parent 064cb7583a
commit c6fec6866f
24 changed files with 38 additions and 161 deletions
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13
kernel/system/do_vmctl.c
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@@ -33,7 +33,7 @@ PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
switch(m_ptr->SVMCTL_PARAM) {
case VMCTL_CLEAR_PAGEFAULT:
RTS_LOCK_UNSET(p, RTS_PAGEFAULT);
RTS_UNSET(p, RTS_PAGEFAULT);
return OK;
case VMCTL_MEMREQ_GET:
/* Send VM the information about the memory request. */
@@ -125,7 +125,7 @@ PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
#endif
vmassert(RTS_ISSET(target, RTS_VMREQTARGET));
RTS_LOCK_UNSET(target, RTS_VMREQTARGET);
RTS_UNSET(target, RTS_VMREQTARGET);
switch(p->p_vmrequest.type) {
case VMSTYPE_KERNELCALL:
@@ -152,15 +152,10 @@ PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
p->p_vmrequest.type);
}
RTS_LOCK_UNSET(p, RTS_VMREQUEST);
RTS_UNSET(p, RTS_VMREQUEST);
return OK;
case VMCTL_ENABLE_PAGING:
/*
* system task must not get preempted while switching to paging,
* interrupt handling is not safe
*/
lock;
if(vm_running)
minix_panic("do_vmctl: paging already enabled", NO_NUM);
vm_init(p);
@@ -169,14 +164,12 @@ PUBLIC int do_vmctl(struct proc * caller, message * m_ptr)
vmassert(p->p_delivermsg_lin ==
umap_local(p, D, p->p_delivermsg_vir, sizeof(message)));
if ((err = arch_enable_paging()) != OK) {
unlock;
return err;
}
if(newmap(caller, p, (struct mem_map *) m_ptr->SVMCTL_VALUE) != OK)
minix_panic("do_vmctl: newmap failed", NO_NUM);
FIXLINMSG(p);
vmassert(p->p_delivermsg_lin);
unlock;
return OK;
case VMCTL_KERN_PHYSMAP:
{