Changeset 436a0a5 in mainline for kernel/genarch/src

Timestamp:

2018-11-09T22:04:01Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

95d45482

Parents:

88e43bc (diff), abf6c01 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

(merge) Reduce the number of blocking allocations in the kernel

Location:

kernel/genarch/src

Files:

• mm/asid_fifo.c (modified) (1 diff)
• ofw/ofw_tree.c (modified) (1 diff)

kernel/genarch/src/mm/asid_fifo.c

@@ -65 +65 @@
 #if (!FIFO_STATIC)
         fifo_create(free_asids);
+        if (!free_asids.fifo)
+                panic("Not enough memory to allocate ASID FIFO");
+        // TODO: There really is no reason not to statically allocate it
+        //       except to keep binary size low. Once kernel is a regular ELF
+        //       binary supporting .bss section (wip as of the late 2018),
+        //       the dynamic option should be removed.
 #endif
 

kernel/genarch/src/ofw/ofw_tree.c

@@ -386 +386 @@
 static void ofw_tree_node_sysinfo(ofw_tree_node_t *node, const char *path)
 {
-        char *cur_path = (char *) nfmalloc(PATH_MAX_LEN);
+        char *cur_path = malloc(PATH_MAX_LEN);
+        if (!cur_path)
+                panic("Not enough memory to process OFW tree.");
 
         for (ofw_tree_node_t *cur = node; cur; cur = cur->peer) {