Changeset 62051 in vbox for trunk/src/VBox/HostDrivers/Support

Timestamp:

Jul 6, 2016 12:29:57 PM (8 years ago)

Author:

vboxsync

Message:

HostDrivers/Support/linux: when checking the EFLAGS consistency, don't check the IOPL as it's unimportant in kernel mode. Another task running with IOPL3 might mess it up.

File:

• trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c (modified) (1 diff)

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

@@ -700 +700 @@
      * accidentially modified it or some other important flag.
      */
-    if (RT_UNLIKELY(   (ASMGetFlags() & (X86_EFL_AC | X86_EFL_IF | X86_EFL_DF | X86_EFL_IOPL))
-                    != ((fSavedEfl    & (X86_EFL_AC | X86_EFL_IF | X86_EFL_DF | X86_EFL_IOPL)) | X86_EFL_AC) ))
+    if (RT_UNLIKELY(   (ASMGetFlags() & (X86_EFL_AC | X86_EFL_IF | X86_EFL_DF))
+                    != ((fSavedEfl    & (X86_EFL_AC | X86_EFL_IF | X86_EFL_DF)) | X86_EFL_AC) ))
     {
         char szTmp[48];