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authorIngo Molnar <mingo@elte.hu>2009-01-16 17:46:22 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 17:46:22 +0100
commit5a2dd72abdae75ea2960145e0549635ce4e0be96 (patch)
tree44dba0119c75679a17215200f92ab23bdde9efc2 /arch/powerpc/kernel/module_64.c
parentefdc64f0c792ea744bcc9203f35b908e66d42f41 (diff)
parent7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff)
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'arch/powerpc/kernel/module_64.c')
-rw-r--r--arch/powerpc/kernel/module_64.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index 1af2377e4992..8992b031a7b6 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -20,6 +20,7 @@
#include <linux/moduleloader.h>
#include <linux/err.h>
#include <linux/vmalloc.h>
+#include <linux/ftrace.h>
#include <linux/bug.h>
#include <asm/module.h>
#include <asm/firmware.h>
@@ -163,6 +164,11 @@ static unsigned long get_stubs_size(const Elf64_Ehdr *hdr,
}
}
+#ifdef CONFIG_DYNAMIC_FTRACE
+ /* make the trampoline to the ftrace_caller */
+ relocs++;
+#endif
+
DEBUGP("Looks like a total of %lu stubs, max\n", relocs);
return relocs * sizeof(struct ppc64_stub_entry);
}
@@ -441,5 +447,12 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
}
}
+#ifdef CONFIG_DYNAMIC_FTRACE
+ me->arch.toc = my_r2(sechdrs, me);
+ me->arch.tramp = stub_for_addr(sechdrs,
+ (unsigned long)ftrace_caller,
+ me);
+#endif
+
return 0;
}