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/head31.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/s390/kernel/head31.S') diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index f21954b44dc..d3f1ab7d90a 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -92,7 +92,7 @@ ENTRY(_stext) .LPG3: # check control registers stctl %c0,%c15,0(%r15) - oi 2(%r15),0x40 # enable sigp emergency signal + oi 2(%r15),0x60 # enable sigp emergency & external call oi 0(%r15),0x10 # switch on low address protection lctl %c0,%c15,0(%r15) -- cgit v1.2.3-18-g5258