diff options
| author | Patrick Wildt <patrick@cvs.openbsd.org> | 2013-05-09 23:46:06 +0000 |
|---|---|---|
| committer | Patrick Wildt <patrick@cvs.openbsd.org> | 2013-05-09 23:46:06 +0000 |
| commit | 0d5c5b2f634a018af9c9382cdb991c51e7cfc94a (patch) | |
| tree | 234f641773b249cbda9bb50bf9415f9a03a7d4a1 /sys/arch/arm | |
| parent | 6bc70803872b4e2ea37eae6700e2ab6df4de214a (diff) | |
Don't rely on uvm_km_free() to remove the pmap mapping when unmapping
in bus space.
ok miod@
Diffstat (limited to 'sys/arch/arm')
| -rw-r--r-- | sys/arch/arm/armv7/armv7_space.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/arm/armv7/armv7_space.c b/sys/arch/arm/armv7/armv7_space.c index 2103bc11540..a98cd881810 100644 --- a/sys/arch/arm/armv7/armv7_space.c +++ b/sys/arch/arm/armv7/armv7_space.c @@ -1,4 +1,4 @@ -/* $OpenBSD: armv7_space.c,v 1.3 2013/05/09 20:41:47 patrick Exp $ */ +/* $OpenBSD: armv7_space.c,v 1.4 2013/05/09 23:46:05 patrick Exp $ */ /* * Copyright (c) 2001, 2002 Wasabi Systems, Inc. @@ -211,10 +211,16 @@ armv7_bs_map(void *t, bus_addr_t bpa, bus_size_t size, void armv7_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size) { + vaddr_t va, endva; if (bsh > (u_long)KERNEL_BASE) return; + va = trunc_page((vaddr_t)bsh); + endva = round_page((vaddr_t)bsh + size); + + pmap_kremove(va, endva - va); + pmap_update(pmap_kernel()); uvm_km_free(kernel_map, bsh, size); } |