Changeset 632 for trunk/hal/tsar_mips32/core/hal_exception.c

Timestamp:

May 28, 2019, 2:56:04 PM (5 years ago)

Author:

alain

Message:

This version replace the RPC by direct remote memory access
for physical pages allacation/release.
It is commited before being tested.

File:

• trunk/hal/tsar_mips32/core/hal_exception.c (modified) (2 diffs)

trunk/hal/tsar_mips32/core/hal_exception.c

@@ -165 +165 @@
 // in case of illegal virtual address. Finally, it updates the local page table from the
 // reference cluster.
+// WARNING : In order to prevent deadlocks, this function enable IRQs before calling the 
+// vmm_handle_page_fault() and the vmm_handle_cow() functions, because concurrent calls
+// to these functions can create cross dependencies...
 //////////////////////////////////////////////////////////////////////////////////////////
 // @ this     : pointer on faulty thread descriptor.
@@ -187 +190 @@
 
     // check thread type
-    if( CURRENT_THREAD->type != THREAD_USER )
+   if( CURRENT_THREAD->type != THREAD_USER )
     {
         printk("\n[PANIC] in %s : illegal thread type %s\n",