Commit b881dcfb authored Sep 19, 2014 by Christian Borntraeger Committed by Martin Schwidefsky Sep 25, 2014

s390/head.s: use zero as address for stfl

The architecture suggests to use address 0 as parameter for stfl,
to allow for future extensions. Using __LC_STFL_FAC_LIST (0x200)
shows which address is used, but might be not future proof.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent d59b93da

arch/s390/kernel/head.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -398,7 +398,7 @@ ENTRY(startup_kdump)
		xc __LC_STFL_FAC_LIST(8),__LC_STFL_FAC_LIST
		#ifndef CONFIG_MARCH_G5
		# check capabilities against MARCH_{G5,Z900,Z990,Z9_109,Z10}
		.insn s,0xb2b10000,__LC_STFL_FAC_LIST # store facility list
		.insn s,0xb2b10000,0 # store facilities @ __LC_STFL_FAC_LIST
		tm __LC_STFL_FAC_LIST,0x01 # stfle available ?
		jz 0f
		la %r0,1