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authorIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
commit7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch)
treed40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/powerpc/include/asm/sections.h
parent6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/powerpc/include/asm/sections.h')
-rw-r--r--arch/powerpc/include/asm/sections.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 7710e9e6660..6fbce725c71 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -2,6 +2,8 @@
#define _ASM_POWERPC_SECTIONS_H
#ifdef __KERNEL__
+#include <linux/elf.h>
+#include <linux/uaccess.h>
#include <asm-generic/sections.h>
#ifdef __powerpc64__
@@ -16,8 +18,22 @@ static inline int in_kernel_text(unsigned long addr)
return 0;
}
+static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
+{
+ return start < (unsigned long)__init_end &&
+ (unsigned long)_stext < end;
+}
+
#undef dereference_function_descriptor
-void *dereference_function_descriptor(void *);
+static inline void *dereference_function_descriptor(void *ptr)
+{
+ struct ppc64_opd_entry *desc = ptr;
+ void *p;
+
+ if (!probe_kernel_address(&desc->funcaddr, p))
+ ptr = p;
+ return ptr;
+}
#endif