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Use PHYS_IN_DMAP to check if a physical address is within the DMAP region.

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Approved by:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2016-04-06 14:16:37 +00:00
parent 70e7278593
commit 5d58666c93
1 changed files with 3 additions and 3 deletions
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6
sys/arm64/arm64/pmap.c
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@ -3534,7 +3534,7 @@ pmap_map_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
needs_mapping = FALSE;
for (i = 0; i < count; i++) {
paddr = VM_PAGE_TO_PHYS(page[i]);
if (__predict_false(paddr >= DMAP_MAX_PHYSADDR)) {
if (__predict_false(!PHYS_IN_DMAP(paddr))) {
error = vmem_alloc(kernel_arena, PAGE_SIZE,
M_BESTFIT | M_WAITOK, &vaddr[i]);
KASSERT(error == 0, ("vmem_alloc failed: %d", error));
@ -3552,7 +3552,7 @@ pmap_map_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
sched_pin();
for (i = 0; i < count; i++) {
paddr = VM_PAGE_TO_PHYS(page[i]);
if (paddr >= DMAP_MAX_PHYSADDR) {
if (!PHYS_IN_DMAP(paddr)) {
panic(
"pmap_map_io_transient: TODO: Map out of DMAP data");
}
@ -3572,7 +3572,7 @@ pmap_unmap_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
sched_unpin();
for (i = 0; i < count; i++) {
paddr = VM_PAGE_TO_PHYS(page[i]);
if (paddr >= DMAP_MAX_PHYSADDR) {
if (!PHYS_IN_DMAP(paddr)) {
panic("ARM64TODO: pmap_unmap_io_transient: Unmap data");
}
}