On Fri, 29 Apr 2005 23:03:50 +0200 [email protected] wrote:
| Hello,
|
| I found out that acpi_find_rsdp() tries to find the RSDP structure in an area
| bit larger than the ACPI specification wants. The right interval should start
| at 0xe0000 and end at 0xfffff. The search area is thus 128K+1B large.
The search area is thus 128 KB large, so I agree with the intent of
this patch, except for the +1B.
| Given the semantics of acpi_scan_rsdp(), the second argument should therefore be
| the size, not the end address.
Yes.
| Should there be any comments, please email me directly as I don't regularily
| read LKM.
|
| Please, apply.
|
| Jakub
|
| --- linux-2.6.11.7/arch/i386/kernel/acpi/boot.c 2005-04-07 20:58:17.000000000
| +0200
| +++ linux-2.6.11.7-acpi-patch/arch/i386/kernel/acpi/boot.c 2005-04-29
| 21:39:08.000000000 +0200
| @@ -644,7 +644,7 @@ acpi_find_rsdp (void)
| */
| rsdp_phys = acpi_scan_rsdp (0, 0x400);
| if (!rsdp_phys)
| - rsdp_phys = acpi_scan_rsdp (0xE0000, 0xFFFFF);
| + rsdp_phys = acpi_scan_rsdp (0xE0000, 128*1024 + 1);
Just drop the "+ 1".
|
| return rsdp_phys;
| }
---
~Randy
-
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