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authorMike Frysinger <vapier@gentoo.org>2009-09-22 16:44:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 07:39:30 -0700
commit00afe029aab03bd95eba210b5e74a252017c4692 (patch)
tree4c9aa4a10d7fa5f813896c8c439df592aacf295d /include/asm-generic
parenta9ece53c4089ef23d4002d34c4c7148d94622a40 (diff)
downloadblackbird-op-linux-00afe029aab03bd95eba210b5e74a252017c4692.tar.gz
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asm/sections: add text/data checking functions for arches to override
Some ports (like the Blackfin arch) have a discontiguous memory map which means there may be text or data that falls outside of the standard range of the start/end text/data symbols. Creating some helper functions allows these non-standard ports to declare these regions without adversely affecting anyone else. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Robin Getz <rgetz@blackfin.uclinux.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/sections.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index d083561337f2..b3bfabc258f3 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -23,4 +23,20 @@ extern char __ctors_start[], __ctors_end[];
#define dereference_function_descriptor(p) (p)
#endif
+/* random extra sections (if any). Override
+ * in asm/sections.h */
+#ifndef arch_is_kernel_text
+static inline int arch_is_kernel_text(unsigned long addr)
+{
+ return 0;
+}
+#endif
+
+#ifndef arch_is_kernel_data
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+ return 0;
+}
+#endif
+
#endif /* _ASM_GENERIC_SECTIONS_H_ */
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