Author: andrew
Date: Tue Aug 22 17:38:06 2017
New Revision: 322797
URL: https://svnweb.freebsd.org/changeset/base/322797
Log:
Fix a bug in pmap_protect where we invalidate the wrong page. With this we
can now remove an unneeded call to invalidate all entries.
MFC after: 1 week
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm64/arm64/pmap.c
Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c Tue Aug 22 17:23:29 2017 (r322796)
+++ head/sys/arm64/arm64/pmap.c Tue Aug 22 17:38:06 2017 (r322797)
@@ -2620,13 +2620,10 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t
pmap_set(l3p, nbits);
/* XXX: Use pmap_invalidate_range */
- pmap_invalidate_page(pmap, va);
+ pmap_invalidate_page(pmap, sva);
}
}
PMAP_UNLOCK(pmap);
-
- /* TODO: Only invalidate entries we are touching */
- pmap_invalidate_all(pmap);
}
/*
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