[v2] xen/grant-table: Remove outdated warning in gnttab_grow_table()
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Message ID 20200225150237.9124-1-julien@xen.org
State New
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  • [v2] xen/grant-table: Remove outdated warning in gnttab_grow_table()
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Commit Message

Julien Grall Feb. 25, 2020, 3:02 p.m. UTC
One of the warning message in gnttab_grow_table() refers to a function
was removed in commit 6425f91c72 "xen/gnttab: Fold grant_table_{create,
set_limits}() into grant_table_init()".

Since the commit, gt->active will be allocated while initializing the
grant table at domain creation. Therefore gt-active will always be

Rather than replacing the warning by another one, drop the check
completely as we will likely not come back to a semi-initialized world.

Signed-off-by: Julien Grall <jgrall@amazon.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

    Changes v2:
        - Remove the check completely
        - Add Andrew's acked-by
 xen/common/grant_table.c | 6 ------
 1 file changed, 6 deletions(-)

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diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index bc37acae0e..057c78f620 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -1793,12 +1793,6 @@  gnttab_grow_table(struct domain *d, unsigned int req_nr_frames)
     struct grant_table *gt = d->grant_table;
     unsigned int i, j;
-    if ( unlikely(!gt->active) )
-    {
-        gprintk(XENLOG_WARNING, "grant_table_set_limits() call missing\n");
-        return -ENODEV;
-    }
     if ( req_nr_frames < INITIAL_NR_GRANT_FRAMES )
         req_nr_frames = INITIAL_NR_GRANT_FRAMES;
     ASSERT(req_nr_frames <= gt->max_grant_frames);