libxc: delete sent_last_iter

It's set in code but never used.  Detected by -Wunused-but-set-variable.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/libxc/xc_domain_save.c b/tools/libxc/xc_domain_save.c
index 301e770da343ac179a2e668ebee0970cabad17b6..3222473dbb8eeeefc743dcd72e01f672d0f268cb 100644 (file)
--- a/tools/libxc/xc_domain_save.c
+++ b/tools/libxc/xc_domain_save.c
@@ -811,7 +811,7 @@ int xc_domain_save(xc_interface *xch, int io_fd, uint32_t dom, uint32_t max_iter
     int live  = (flags & XCFLAGS_LIVE);
     int debug = (flags & XCFLAGS_DEBUG);
     int superpages = !!hvm;
-    int race = 0, sent_last_iter, skip_this_iter = 0;
+    int race = 0, skip_this_iter = 0;
     unsigned int sent_this_iter = 0;
     int tmem_saved = 0;
 
@@ -1014,9 +1014,6 @@ int xc_domain_save(xc_interface *xch, int io_fd, uint32_t dom, uint32_t max_iter
 
     last_iter = !live;
 
-    /* pretend we sent all the pages last iteration */
-    sent_last_iter = dinfo->p2m_size;
-
     /* Setup to_send / to_fix and to_skip bitmaps */
     to_send = xc_hypercall_buffer_alloc_pages(xch, to_send, NRPAGES(bitmap_size(dinfo->p2m_size)));
     to_skip = xc_hypercall_buffer_alloc_pages(xch, to_skip, NRPAGES(bitmap_size(dinfo->p2m_size)));
@@ -1586,8 +1583,6 @@ int xc_domain_save(xc_interface *xch, int io_fd, uint32_t dom, uint32_t max_iter
                 goto out;
             }
 
-            sent_last_iter = sent_this_iter;
-
             print_stats(xch, dom, sent_this_iter, &time_stats, &shadow_stats, 1);
 
         }