support multiple .discard.* sections to avoid section type conflicts

gcc 4.4.4 will complain if you use a .discard section for both text and
data ("causes a section type conflict").  Add support for ".discard.*"
sections, and use .discard.text for a dummy function in the x86
RESERVE_BRK() macro.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 48c5299cbf26..ae6b88eb1de1 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -643,6 +643,7 @@
         EXIT_DATA                                                       \
         EXIT_CALL                                                       \
         *(.discard)                                                     \
+        *(.discard.*)                                                   \
         }
 
 /**