[Xen-users] Re: Xen dom0 kernel, capi driver: unknown symbol

["Andreas G. Filzer" <filzer@xxxxxx>]

Hello xen-users,

I've just read this thread without a solution ;-) Some time ago I find this 
discription and maybe it will help you too.

Have a lot of fun and success!
Andreas G. Filzer
afoctuelia

######################
Make xen_features and force_evtchn_callback() non-GPL
symbols as they are used in a variety of ubiquitous
kernel macros.

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r f0d1a8f9d64f -r 4d83bf50673d 
linux-2.6-xen-sparse/drivers/xen/core/evtchn.c
--- a/linux-2.6-xen-sparse/drivers/xen/core/evtchn.c    Tue Apr 25 14:51:10 
2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/core/evtchn.c    Wed Apr 26 17:44:46 
2006 +0100
@@ -188,7 +188,8 @@ void force_evtchn_callback(void)
 {
        (void)HYPERVISOR_xen_version(0, NULL);
 }
-EXPORT_SYMBOL_GPL(force_evtchn_callback);
+/* Not a GPL symbol: used in ubiquitous macros, so too restrictive. */
+EXPORT_SYMBOL(force_evtchn_callback);
 
 /* NB. Interrupts are disabled on entry. */
 asmlinkage void evtchn_do_upcall(struct pt_regs *regs)
diff -r f0d1a8f9d64f -r 4d83bf50673d 
linux-2.6-xen-sparse/drivers/xen/core/features.c
--- a/linux-2.6-xen-sparse/drivers/xen/core/features.c  Tue Apr 25 14:51:10 
2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/core/features.c  Wed Apr 26 17:44:46 
2006 +0100
@@ -12,7 +12,8 @@
 #include <xen/features.h>
 
 u8 xen_features[XENFEAT_NR_SUBMAPS * 32] __read_mostly;
-EXPORT_SYMBOL_GPL(xen_features);
+/* Not a GPL symbol: used in ubiquitous macros, so too restrictive. */
+EXPORT_SYMBOL(xen_features);
 
 void setup_xen_features(void)
 {


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