Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a32525449b30dfbae804f6b05cde041f35f5a811
Commit: a32525449b30dfbae804f6b05cde041f35f5a811
Parent: 41806ef4bfacbe5c4e520d8da2fcedcda335c922
Author: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
AuthorDate: Thu Feb 15 18:29:32 2007 +1100
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Fri Feb 16 14:00:20 2007 +1100
[POWERPC] Fix bug with early ioremap and 64k pages
The code for bolting hash entries for ioremap done before proper
mm initialization has a grown a bug when using 64K pages on a
machine where non-cacheable mappings are demoted to 4K HW pages.
The wrong page size index is being passed to the hash table mapping
functions causing a crash at boot on some pSeries machines using
bare metal linux. This fixes it.
Signed-off-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
arch/powerpc/mm/pgtable_64.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 16e4ee1..1d44340 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -103,7 +103,7 @@ static int map_io_page(unsigned long ea, unsigned long pa,
int flags)
*
*/
if (htab_bolt_mapping(ea, ea + PAGE_SIZE, pa, flags,
- mmu_virtual_psize)) {
+ mmu_io_psize)) {
printk(KERN_ERR "Failed to do bolted mapping IO "
"memory at %016lx !\n", pa);
return -ENOMEM;
-
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