If scrub_debug is off we don't check pages in check_one_page().
Thus there is no reason to ever poison them.
Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com>
---
xen/common/page_alloc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 2c7675b..2b8bb95 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -714,6 +714,9 @@ static void poison_one_page(struct page_info *pg)
mfn_t mfn = _mfn(page_to_mfn(pg));
uint64_t *ptr;
+ if ( !scrub_debug )
+ return;
+
ptr = map_domain_page(mfn);
*ptr = ~SCRUB_PATTERN;
unmap_domain_page(ptr);
--
1.8.3.1
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