This patch is preparation for replacing most ".data.cacheline_aligned"
in the kernel with macros, so that the section name can later be
changed without having to touch a lot of the kernel.
The long-term goal here is to be able to change the kernel's magic
section names to those that are compatible with -ffunction-sections
-fdata-sections. This requires renaming all magic sections with names
of the form ".data.foo".
Signed-off-by: Tim Abbott <tabb...@mit.edu>
Cc: Sam Ravnborg <s...@ravnborg.org>
---
include/asm-generic/vmlinux.lds.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/asm-generic/vmlinux.lds.h
b/include/asm-generic/vmlinux.lds.h
index f5ebd2b..fa7801b 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -131,6 +131,10 @@
. = ALIGN(PAGE_SIZE); \
__nosave_end = .;
+#define CACHELINE_ALIGNED_DATA(alignment) \
+ . = ALIGN(alignment); \
+ *(.data.cacheline_aligned)
+
#define RO_DATA(align) \
. = ALIGN((align)); \
.rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
--
1.6.2.1
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev
