Dear developers,
This kernel patch fixes problems with kexec call on some devices.
It allows booting whole system (incl. kernel!) from e.g. USB disk.
I tested it on Asus WL-500gP v2. I suppose it would behave well on all MIPS
machines.
Applicable to 2.6.32 and 2.6.33
Signed-off-by: Adrian Byszuk <adebex_at_gmail.com>
---
--- a/arch/mips/kernel/machine_kexec.c 2010-03-15 15:52:04.000000000 +0000
+++ b/arch/mips/kernel/machine_kexec.c 2010-03-21 15:25:13.953615489 +0000
@@ -52,7 +52,8 @@
reboot_code_buffer =
(unsigned long)page_address(image->control_code_page);
- kexec_start_address = image->start;
+ kexec_start_address =
+ (unsigned long) phys_to_virt(image->start);
kexec_indirection_page =
(unsigned long) phys_to_virt(image->head & PAGE_MASK);
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