Merge pull request 504ensicsLabs#110 from qodroi/master

[x86] Fix kmap_atomic raises scheduling while atomic bug

Author: jtsylve

.gitignore

@@ -8,6 +8,7 @@
 
 Module.symvers
 modules.order
+*.mod
 *.mod.c
 *.cmd
 .tmp_versions/

src/main.c

@@ -301,13 +301,17 @@ static void write_range(struct resource * res) {
              * If we need to compute the digest or compress the output
              * take a snapshot of the page. Otherwise save some cycles.
              */
+#ifdef LIME_USE_KMAP_ATOMIC
+            preempt_enable();
+#endif
             if (no_overlap) {
                 copy_page(vpage, v);
                 s = write_vaddr(vpage, is);
             } else {
                 s = write_vaddr(v, is);
             }
 #ifdef LIME_USE_KMAP_ATOMIC
+            preempt_disable();
             kunmap_atomic(v);
 #else
             kunmap(p);