Move xen patchset to new version's subdir.

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.31 / patches.kabi / ftrace-dummy-export

From: Michal Marek <mmarek@suse.cz>
Subject: Add mcount() dummy export

Export a stub to avoid changing kabi checksums after CONFIG_FTRACE has been
disabled.

Signed-off-by: Michal Marek <mmarek@suse.cz>
---
 arch/x86/kernel/i386_ksyms_32.c  |    4 ++++
 arch/x86/kernel/x8664_ksyms_64.c |    4 ++++
 2 files changed, 8 insertions(+)

--- a/arch/x86/kernel/i386_ksyms_32.c
+++ b/arch/x86/kernel/i386_ksyms_32.c
@@ -8,6 +8,10 @@
 #ifdef CONFIG_FTRACE
 /* mcount is defined in assembly */
 EXPORT_SYMBOL(mcount);
+#else
+/* export a stub for kabi compatibility */
+void mcount(void) { }
+EXPORT_SYMBOL(mcount);
 #endif
 
 /* Networking helper routines. */
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -15,6 +15,10 @@
 #ifdef CONFIG_FTRACE
 /* mcount is defined in assembly */
 EXPORT_SYMBOL(mcount);
+#else
+/* export a stub for kabi compatibility */
+void mcount(void) { }
+EXPORT_SYMBOL(mcount);
 #endif
 
 EXPORT_SYMBOL(kernel_thread);