Changeset 57276 in vbox for trunk/src/VBox/Runtime/r0drv/linux/mpnotification-r0drv-linux.c

Timestamp:

Aug 11, 2015 2:39:19 PM (10 years ago)

Author:

vboxsync

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

102031

Message:

iprt/r0drv/linux: Preserve EFLAGS/AC where ever it may possibly be thought to change when calling kernel code.

File:

• trunk/src/VBox/Runtime/r0drv/linux/mpnotification-r0drv-linux.c (modified) (3 diffs)

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

@@ -174 +174 @@
 {
     int rc;
+    IPRT_LINUX_SAVE_EFL_AC();
 
 # ifdef CPU_DOWN_FAILED
@@ -180 +181 @@
 
     rc = register_cpu_notifier(&g_NotifierBlock);
+    IPRT_LINUX_RESTORE_EFL_AC();
     AssertMsgReturn(!rc, ("%d\n", rc), RTErrConvertFromErrno(rc));
     return VINF_SUCCESS;
@@ -187 +189 @@
 DECLHIDDEN(void) rtR0MpNotificationNativeTerm(void)
 {
+    IPRT_LINUX_SAVE_EFL_AC();
     unregister_cpu_notifier(&g_NotifierBlock);
+    IPRT_LINUX_RESTORE_EFL_AC();
 }