Changeset 7396 in vbox for trunk/src/VBox/HostDrivers/Support

Timestamp:

Mar 10, 2008 11:16:36 AM (17 years ago)

Author:

vboxsync

Message:

not needed here anymore (stuff now done in Runtime/r0drv)

File:

• trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c

@@ -142 +142 @@
 # endif
 
-# ifndef RT_ARCH_AMD64
-/* In 2.6.9-22.ELsmp we have to call change_page_attr() twice when changing
- * the page attributes from PAGE_KERNEL to something else, because there appears
- * to be a bug in one of the many patches that redhat applied.
- * It should be safe to do this on less buggy linux kernels too. ;-)
- */
-#  define MY_CHANGE_PAGE_ATTR(pPages, cPages, prot) \
-    do { \
-        if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) \
-            change_page_attr(pPages, cPages, prot); \
-        change_page_attr(pPages, cPages, prot); \
-    } while (0)
-# endif
 #endif /* !NO_REDHAT_HACKS */
 
@@ -160 +147 @@
 #ifndef MY_DO_MUNMAP
 # define MY_DO_MUNMAP(a,b,c) do_munmap(a, b, c)
-#endif
-
-#ifndef MY_CHANGE_PAGE_ATTR
-# ifdef RT_ARCH_AMD64 /** @todo This is a cheap hack, but it'll get around that 'else BUG();' in __change_page_attr().  */
-#  define MY_CHANGE_PAGE_ATTR(pPages, cPages, prot) \
-    do { \
-        change_page_attr(pPages, cPages, PAGE_KERNEL_NOCACHE); \
-        change_page_attr(pPages, cPages, prot); \
-    } while (0)
-# else
-#  define MY_CHANGE_PAGE_ATTR(pPages, cPages, prot) change_page_attr(pPages, cPages, prot)
-# endif
 #endif