Add some basic resume trace facilities

Considering that there isn't a lot of hw we can depend on during resume,
this is about as good as it gets.

This is x86-only for now, although the basic concept (and most of the
code) will certainly work on almost any platform.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index 8831303a473f..7512f39c9f25 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -37,6 +37,13 @@ SECTIONS
 
   RODATA
 
+  . = ALIGN(4);
+  __tracedata_start = .;
+  .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
+        *(.tracedata)
+  }
+  __tracedata_end = .;
+
   /* writeable */
   .data : AT(ADDR(.data) - LOAD_OFFSET) {       /* Data */
         *(.data)