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on xen we don't initialize memory segment maps, so no sparse dumps for now.

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This commit is contained in:
christos 2011-08-31 17:03:17 +00:00
parent 2e5a77d315
commit 99970cedda
1 changed files with 14 additions and 9 deletions
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23
sys/arch/amd64/amd64/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.165 2011/08/27 16:23:44 christos Exp $ */
/* $NetBSD: machdep.c,v 1.166 2011/08/31 17:03:17 christos Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2000, 2006, 2007, 2008, 2011
@ -111,7 +111,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.165 2011/08/27 16:23:44 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.166 2011/08/31 17:03:17 christos Exp $");
/* #define XENDEBUG_LOW */
@ -821,12 +821,17 @@ dump_misc_init(void)
printf("dump_misc_init: max_paddr = 0x%lx\n",
(unsigned long)max_paddr);
#endif
sparse_dump_physmap = (void*)uvm_km_alloc(kernel_map,
roundup(max_paddr / (PAGE_SIZE * NBBY), PAGE_SIZE),
PAGE_SIZE, UVM_KMF_WIRED|UVM_KMF_ZERO);
if (max_paddr != 0) {
printf("Your machine does not initialize mem_clusters; "
"sparse_dumps disabled\n");
sparse_dump = 0;
} else {
sparse_dump_physmap = (void *)uvm_km_alloc(kernel_map,
roundup(max_paddr / (PAGE_SIZE * NBBY), PAGE_SIZE),
PAGE_SIZE, UVM_KMF_WIRED|UVM_KMF_ZERO);
}
#endif
dump_headerbuf = (void*)uvm_km_alloc(kernel_map,
dump_headerbuf = (void *)uvm_km_alloc(kernel_map,
dump_headerbuf_size,
PAGE_SIZE, UVM_KMF_WIRED|UVM_KMF_ZERO);
/* XXXjld should check for failure here, disable dumps if so. */
@ -920,7 +925,7 @@ dump_seg_iter(int (*callback)(paddr_t, paddr_t))
* them could also break the assumption that a sparse
* dump will always be smaller than a full one.
*/
if (sparse_dump) {
if (sparse_dump && sparse_dump_physmap) {
paddr_t p, start, end;
int lastset;
@ -956,7 +961,7 @@ void
dump_seg_prep(void)
{
#ifndef NO_SPARSE_DUMP
if (sparse_dump)
if (sparse_dump && sparse_dump_physmap)
cpu_dump_prep_sparse();
#endif