Author: ian
Date: Wed Dec 24 17:12:51 2014
New Revision: 276187
URL: https://svnweb.freebsd.org/changeset/base/276187
Log:
Eliminate unnecessary references to pte.h internals by using the standard
pmap_kenter_temporary() to map pages while dumping.
Submitted by: Svatopluk Kraus <onw...@gmail.com>,
Michal Meloun <mel...@miracle.cz>
Modified:
head/sys/arm/arm/dump_machdep.c
Modified: head/sys/arm/arm/dump_machdep.c
==============================================================================
--- head/sys/arm/arm/dump_machdep.c Wed Dec 24 16:11:15 2014
(r276186)
+++ head/sys/arm/arm/dump_machdep.c Wed Dec 24 17:12:51 2014
(r276187)
@@ -160,11 +160,13 @@ static int
cb_dumpdata(struct md_pa *mdp, int seqnr, void *arg)
{
struct dumperinfo *di = (struct dumperinfo*)arg;
- vm_paddr_t pa;
+ vm_paddr_t a, pa;
+ void *va;
uint32_t pgs;
size_t counter, sz, chunk;
- int c, error;
+ int i, c, error;
+ va = 0;
error = 0; /* catch case in which chunk size is 0 */
counter = 0;
pgs = mdp->md_size / PAGE_SIZE;
@@ -194,16 +196,14 @@ cb_dumpdata(struct md_pa *mdp, int seqnr
printf(" %d", pgs * PAGE_SIZE);
counter &= (1<<24) - 1;
}
- if (pa == (pa & L1_ADDR_BITS)) {
- pmap_kenter_section(0, pa & L1_ADDR_BITS, 0);
- cpu_tlb_flushID_SE(0);
- cpu_cpwait();
+ for (i = 0; i < chunk; i++) {
+ a = pa + i * PAGE_SIZE;
+ va = pmap_kenter_temporary(trunc_page(a), i);
}
#ifdef SW_WATCHDOG
wdog_kern_pat(WD_LASTVAL);
#endif
- error = dump_write(di,
- (void *)(pa - (pa & L1_ADDR_BITS)),0, dumplo, sz);
+ error = dump_write(di, va, 0, dumplo, sz);
if (error)
break;
dumplo += sz;
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