Changeset 18250 in vbox for trunk/src

Timestamp:

Mar 25, 2009 12:47:17 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

44990

Message:

enable vm_insert_page() for Linux 2.6.23+

Location:

trunk/src/VBox

Files:

• HostDrivers/Support/linux/Makefile (modified) (1 diff)
• Runtime/r0drv/linux/memobj-r0drv-linux.c (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/linux/Makefile

@@ -66 +66 @@
  $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
 endif
-
-# use vm_insert_page() API (if available) to map kernel pages to userland - better debugging 
-# VBOX_USE_INSERT_PAGE = 1
 
 # override is required by the Debian guys

trunk/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c

@@ -51 +51 @@
 #endif
 
+/*
+ * 2.6.29+ kernels don't work with remap_pfn_range() anymore because
+ * track_pfn_vma_new() is apparently not defined for non-RAM pages.
+ * It should be safe to use vm_insert_page() older kernels as well.
+ */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23)
+# define VBOX_USE_INSERT_PAGE
+#endif
 
 /*******************************************************************************