uml: memcpy export needs to follow host declaration

x86_64 defines either memcpy or __memcpy depending on the gcc version, and it looks like UML needs to follow that in its exporting. Cc: Gabriel C <[email protected]> Signed-off-by: Jeff Dike <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
yshchan · Jun 6, 2008 · 8bfd04b · 8bfd04b
1 parent 40fb16a
commit 8bfd04b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/arch/um/sys-x86_64/ksyms.c b/arch/um/sys-x86_64/ksyms.c
@@ -3,5 +3,9 @@
 #include <asm/checksum.h>
 
 /*XXX: we need them because they would be exported by x86_64 */
+#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
+EXPORT_SYMBOL(memcpy);
+#else
 EXPORT_SYMBOL(__memcpy);
+#endif
 EXPORT_SYMBOL(csum_partial);