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authorThomas Kunze <thommycheck@gmx.de>2008-02-24 17:59:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-29 22:47:09 +0000
commit5ce94e9e8b469a17fbd3efa1b940c19b5e43449a (patch)
tree2dc2e4f0e39449df6d1ee33a8b54642ec5eaca32
parent94a3f78566ef98a48814d82892f28bb741624cb8 (diff)
[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.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-arm/kexec.h b/include/asm-arm/kexec.h
index 1ee17b6951d..47fe34d692d 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