diff options
| author | Thomas Kunze <thommycheck@gmx.de> | 2008-02-24 16:59:34 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-02-29 22:47:09 (GMT) |
| commit | 5ce94e9e8b469a17fbd3efa1b940c19b5e43449a (patch) | |
| tree | 2dc2e4f0e39449df6d1ee33a8b54642ec5eaca32 | |
| parent | 94a3f78566ef98a48814d82892f28bb741624cb8 (diff) | |
| download | linux-5ce94e9e8b469a17fbd3efa1b940c19b5e43449a.tar.xz | |
[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>
| -rw-r--r-- | include/asm-arm/kexec.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-arm/kexec.h b/include/asm-arm/kexec.h index 1ee17b6..47fe34d 100644 --- a/include/asm-arm/kexec.h +++ b/include/asm-arm/kexec.h @@ -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 |