From d98e19ccef10c5aadccc4ffe2925e4099ff9606a Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Sun, 30 Oct 2011 15:16:58 +0100 Subject: [S390] smp: external call vs. emergency signal Use a sigp sense running to decide which signal processor order to use for an ipi. If the target cpu is running use external call, if the target cpu is not running use emergency signal. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/head64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/s390/kernel/head64.S') diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index ae5d492..99348c0 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -90,7 +90,7 @@ ENTRY(_stext) .LPG3: # check control registers stctg %c0,%c15,0(%r15) - oi 6(%r15),0x40 # enable sigp emergency signal + oi 6(%r15),0x60 # enable sigp emergency & external call oi 4(%r15),0x10 # switch on low address proctection lctlg %c0,%c15,0(%r15) -- cgit v1.1