Commit 5ce94e9e authored Feb 24, 2008 by Thomas Kunze Committed by Russell King Feb 29, 2008

[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>

parent 94a3f785

include/asm-arm/kexec.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -8,7 +8,7 @@
		/* Maximum address we can reach in physical address mode */
		#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
		/* Maximum address we can use for the control code buffer */
		#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
		#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)

		#define KEXEC_CONTROL_CODE_SIZE 4096