Changeset 48382 in vbox

Timestamp:

Sep 9, 2013 10:04:44 AM (11 years ago)

Author:

vboxsync

Message:

Runtime/r0drv: Depend only on kernel config define rather than the version.

Location:

trunk/src/VBox/Runtime/r0drv/linux

Files:

• the-linux-kernel.h (modified) (1 diff)
• threadctxhooks-r0drv-linux.c (modified) (1 diff)

trunk/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h

@@ -126 +126 @@
 
 /* For thread-context hooks. */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23) && defined(CONFIG_PREEMPT_NOTIFIERS)
+#if defined(CONFIG_PREEMPT_NOTIFIERS)
 # include <linux/preempt.h>
 #endif

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

@@ -39 +39 @@
 #include "internal/thread.h"
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23) && defined(CONFIG_PREEMPT_NOTIFIERS)
+/*
+ * Linux kernel 2.6.23 introduced thread-context hooks but RedHat kernel 2.6.18 has it backported.
+ * Checking the define alone without depending on a version ought to be sufficient.
+ */
+#if defined(CONFIG_PREEMPT_NOTIFIERS)
 
 /*******************************************************************************