Commit a1a392f0 authored Dec 04, 2006 by Heiko Carstens Committed by Martin Schwidefsky Dec 04, 2006

[S390] Bad kexec control page allocation.

KEXEC_CONTROL_MEMORY_LIMIT is an unsigned long value and therefore
should be defined as one. Otherwise the kexec control page can be
allocated above 2GB which will cause a specification exception on the
sam31 instruction in the s390 kexec relocation code.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 15e9b586

include/asm-s390/kexec.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@

		/* Maximum address we can use for the control pages */
		/* Not more than 2GB */
		#define KEXEC_CONTROL_MEMORY_LIMIT (1<<31)
		#define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31)

		/* Allocate one page for the pdp and the second for the code */
		#define KEXEC_CONTROL_CODE_SIZE 4096