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[ARM] 4838/1: Fix kexec for SA1100 machines
This patch sets KEXEC_CONTROL_MEMORY_LIMIT to (-1)UL. As the value is compared with physical addresses TASK_SIZE makes no sense. Machines where the RAM addresses start above TASK_SIZE kexecs eats all memory and crashes the kernel without this patch. Signed-off-by: Thomas Kunze <thommycheck@gmx.de> Acked-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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/* Maximum address we can reach in physical address mode */
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/* Maximum address we can reach in physical address mode */
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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/* Maximum address we can use for the control code buffer */
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/* Maximum address we can use for the control code buffer */
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#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
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#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
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#define KEXEC_CONTROL_CODE_SIZE 4096
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#define KEXEC_CONTROL_CODE_SIZE 4096
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