svn commit: r350003 - head/sys/riscv/riscv

[Mark Johnston]

Author: markj
Date: Mon Jul 15 15:45:33 2019
New Revision: 350003
URL: https://svnweb.freebsd.org/changeset/base/350003

Log:
  pmap_clear_modify() needs to clear PTE_W.
  
  MFC after:	1 week
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/riscv/riscv/pmap.c

Modified: head/sys/riscv/riscv/pmap.c
==============================================================================
--- head/sys/riscv/riscv/pmap.c	Mon Jul 15 15:43:15 2019	(r350002)
+++ head/sys/riscv/riscv/pmap.c	Mon Jul 15 15:45:33 2019	(r350003)
@@ -4187,7 +4187,7 @@ restart:
 		    m));
 		l3 = pmap_l2_to_l3(l2, pv->pv_va);
 		if ((pmap_load(l3) & (PTE_D | PTE_W)) == (PTE_D | PTE_W)) {
-			pmap_clear_bits(l3, PTE_D);
+			pmap_clear_bits(l3, PTE_D | PTE_W);
 			pmap_invalidate_page(pmap, pv->pv_va);
 		}
 		PMAP_UNLOCK(pmap);