Changeset 96717 in vbox for trunk/src/VBox

Timestamp:

Sep 13, 2022 10:16:54 AM (2 years ago)

Author:

vboxsync

Message:

iprt: Linux: r0drv: Prevent build failure on 5.8+ 32-bit kernels, bugref:4567:65.

Replace vmalloc call with AssertMsgFailed. This code branch should not
be reached by 32-bit 5.8+ kernel. If it is a case, we should be noticed
about that.

File:

• trunk/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c (modified) (1 diff)

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

@@ -280 +280 @@
 
 #elif defined(PAGE_KERNEL_EXEC) && defined(CONFIG_X86_PAE)
+# if RTLNX_VER_MIN(5,8,0)
+        AssertMsgFailed(("This point should not be reached, please file a bug\n"));
+        pHdr = NULL;
+# else
         pHdr = (PRTMEMHDR)__vmalloc(cb + sizeof(*pHdr), GFP_KERNEL | __GFP_HIGHMEM | __GFP_NOWARN, MY_PAGE_KERNEL_EXEC);
+# endif
 #else
         pHdr = (PRTMEMHDR)vmalloc(cb + sizeof(*pHdr));