dmi_scan_machine() tries to ioremap 0x10000 (64K) bytes, even though
it only looks at the first 32 bytes or so. If the SMBIOS table is
near the end of a memory region, the ioremap() may fail when it
shouldn't.
This is in the efi_enabled path, so it really only affects ia64 at
the moment.
Signed-off-by: Bjorn Helgaas <[EMAIL PROTECTED]>
Index: work-mm3/arch/i386/kernel/dmi_scan.c
===================================================================
--- work-mm3.orig/arch/i386/kernel/dmi_scan.c 2006-01-19 11:26:17.000000000
-0700
+++ work-mm3/arch/i386/kernel/dmi_scan.c 2006-01-19 11:30:21.000000000
-0700
@@ -223,7 +223,7 @@
* needed during early boot. This also means we can
* iounmap the space when we're done with it.
*/
- p = ioremap((unsigned long)efi.smbios, 0x10000);
+ p = ioremap((unsigned long)efi.smbios, 32);
if (p == NULL)
goto out;
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