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authorDavid S. Miller <davem@sunset.davemloft.net>2005-09-29 04:46:43 (GMT)
committerDavid S. Miller <davem@sunset.davemloft.net>2005-09-29 04:46:43 (GMT)
commit10147570f9eaff3920f0c67bad7244c2eb958d4f (patch)
tree213bdf97f2ac9d2dc3708db19da4ea41ca4f1606 /arch/sparc64/kernel
parent0836a0eb4073c3e0a09c5965833b9dec19f5abc7 (diff)
downloadlinux-10147570f9eaff3920f0c67bad7244c2eb958d4f.tar.xz
[SPARC64]: Kill all external references to sp_banks[]
Thus, we can mark sp_banks[] static in arch/sparc64/mm/init.c Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel')
-rw-r--r--arch/sparc64/kernel/traps.c33
1 files changed, 6 insertions, 27 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 1aa1599..eeb1e83 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -757,26 +757,12 @@ void __init cheetah_ecache_flush_init(void)
ecache_flush_size = (2 * largest_size);
ecache_flush_linesize = smallest_linesize;
- /* Discover a physically contiguous chunk of physical
- * memory in 'sp_banks' of size ecache_flush_size calculated
- * above. Store the physical base of this area at
- * ecache_flush_physbase.
- */
- for (node = 0; ; node++) {
- if (sp_banks[node].num_bytes == 0)
- break;
- if (sp_banks[node].num_bytes >= ecache_flush_size) {
- ecache_flush_physbase = sp_banks[node].base_addr;
- break;
- }
- }
+ ecache_flush_physbase = find_ecache_flush_span(ecache_flush_size);
- /* Note: Zero would be a valid value of ecache_flush_physbase so
- * don't use that as the success test. :-)
- */
- if (sp_banks[node].num_bytes == 0) {
+ if (ecache_flush_physbase == ~0UL) {
prom_printf("cheetah_ecache_flush_init: Cannot find %d byte "
- "contiguous physical memory.\n", ecache_flush_size);
+ "contiguous physical memory.\n",
+ ecache_flush_size);
prom_halt();
}
@@ -1345,16 +1331,9 @@ static int cheetah_fix_ce(unsigned long physaddr)
/* Return non-zero if PADDR is a valid physical memory address. */
static int cheetah_check_main_memory(unsigned long paddr)
{
- int i;
+ unsigned long vaddr = PAGE_OFFSET + paddr;
- for (i = 0; ; i++) {
- if (sp_banks[i].num_bytes == 0)
- break;
- if (paddr >= sp_banks[i].base_addr &&
- paddr < (sp_banks[i].base_addr + sp_banks[i].num_bytes))
- return 1;
- }
- return 0;
+ return kern_addr_valid(vaddr);
}
void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar)