[Xen-changelog] Remove unused 'nr_recs' field from trace-buffer header

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID dca4893b0b9f14a99ea46abcadcefc3246707585
# Parent  188a4fb5ea1f1f937b864dd05393fc1e011a9d5d
Remove unused 'nr_recs' field from trace-buffer header
structure. This also happens to ensure correct t_rec
alignment on ia64. A better layout for trace buffers
will be coming soon.

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 188a4fb5ea1f -r dca4893b0b9f xen/common/trace.c
--- a/xen/common/trace.c        Thu Nov 24 11:06:07 2005
+++ b/xen/common/trace.c        Thu Nov 24 14:08:27 2005
@@ -89,7 +89,6 @@
     {
         buf = t_bufs[i] = (struct t_buf *)&rawbuf[i*opt_tbuf_size*PAGE_SIZE];
         buf->cons = buf->prod = 0;
-        buf->nr_recs = nr_recs;
         t_recs[i] = (struct t_rec *)(buf + 1);
     }
 
diff -r 188a4fb5ea1f -r dca4893b0b9f xen/include/public/trace.h
--- a/xen/include/public/trace.h        Thu Nov 24 11:06:07 2005
+++ b/xen/include/public/trace.h        Thu Nov 24 14:08:27 2005
@@ -74,7 +74,6 @@
 struct t_buf {
     unsigned int  cons;      /* Next item to be consumed by control tools. */
     unsigned int  prod;      /* Next item to be produced by Xen.           */
-    unsigned int  nr_recs;   /* Number of records in this trace buffer.    */
     /* 'nr_recs' records follow immediately after the meta-data header.    */
 };
 

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