[PATCH v11 08/17] rangeset: add RANGESETF_no_print flag

[Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>]

From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

There are range sets which should not be printed, so introduce a flag
which allows marking those as such. Implement relevant logic to skip
such entries while printing.

While at it also simplify the definition of the flags by directly
defining those without helpers.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
Since v5:
- comment indentation (Jan)
Since v1:
- update BUG_ON with new flag
- simplify the definition of the flags
---
 xen/common/rangeset.c      | 5 ++++-
 xen/include/xen/rangeset.h | 5 +++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/xen/common/rangeset.c b/xen/common/rangeset.c
index 16a4c3b842..0ccd53caac 100644
--- a/xen/common/rangeset.c
+++ b/xen/common/rangeset.c
@@ -433,7 +433,7 @@ struct rangeset *rangeset_new(
     INIT_LIST_HEAD(&r->range_list);
     r->nr_ranges = -1;
 
-    BUG_ON(flags & ~RANGESETF_prettyprint_hex);
+    BUG_ON(flags & ~(RANGESETF_prettyprint_hex | RANGESETF_no_print));
     r->flags = flags;
 
     safe_strcpy(r->name, name ?: "(no name)");
@@ -575,6 +575,9 @@ void rangeset_domain_printk(
 
     list_for_each_entry ( r, &d->rangesets, rangeset_list )
     {
+        if ( r->flags & RANGESETF_no_print )
+            continue;
+
         printk("    ");
         rangeset_printk(r);
         printk("\n");
diff --git a/xen/include/xen/rangeset.h b/xen/include/xen/rangeset.h
index 8be0722787..87bd956962 100644
--- a/xen/include/xen/rangeset.h
+++ b/xen/include/xen/rangeset.h
@@ -49,8 +49,9 @@ void rangeset_limit(
 
 /* Flags for passing to rangeset_new(). */
  /* Pretty-print range limits in hexadecimal. */
-#define _RANGESETF_prettyprint_hex 0
-#define RANGESETF_prettyprint_hex  (1U << _RANGESETF_prettyprint_hex)
+#define RANGESETF_prettyprint_hex   (1U << 0)
+ /* Do not print entries marked with this flag. */
+#define RANGESETF_no_print          (1U << 1)
 
 bool __must_check rangeset_is_empty(
     const struct rangeset *r);
-- 
2.42.0