There is no need to scrub pages freed during dom0 construction since
once dom0 is ready the heap will be scrubbed by scrub_heap_pages() anyway,
setting scrub_debug at the end.
Signed-off-by: Boris Ostrovsky
---
Changes in v2:
* Use '||' instead of '|'. Drop '!!'
* Clarified commit message.
xen/common/page_alloc.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 2b8bb95..dbad1e1 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -2248,16 +2248,12 @@ void free_domheap_pages(struct page_info *pg, unsigned
int order)
spin_unlock_recursive(>page_alloc_lock);
-#ifndef CONFIG_SCRUB_DEBUG
/*
* Normally we expect a domain to clear pages before freeing them,
* if it cares about the secrecy of their contents. However, after
* a domain has died we assume responsibility for erasure.
*/
-scrub = !!d->is_dying;
-#else
-scrub = true;
-#endif
+scrub = d->is_dying || scrub_debug;
}
else
{
--
1.8.3.1
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