Changeset 79095 in vbox for trunk/src/VBox/Additions/os2

Timestamp:

Jun 12, 2019 4:15:09 AM (6 years ago)

Author:

vboxsync

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

131256

Message:

os2/VBoxSF: Dial back the kernel spinlock optimizations. Not getting the ring-0 spinlock hangs SMP kernels running just a single CPU, so must be doing something incompatible with that.

File:

• trunk/src/VBox/Additions/os2/VBoxSF/VBoxSFA.asm (modified) (1 diff)

trunk/src/VBox/Additions/os2/VBoxSF/VBoxSFA.asm

@@ -598 +598 @@
 global FS_MPSAFEFLAGS2
 FS_MPSAFEFLAGS2:
-        dd  1 | (1<<6)
+        dd  0 ;1 | (1<<6) - not getting the ring-0 spinlock causes trouble, so dropping both for now.
         dd  0