From 6762808fda6f622d1a2cfb4752e3840c8c49ca15 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Mon, 29 Jan 2018 13:56:23 +0100 Subject: s390x/flic: cache the common flic class in a central function This avoids tons of conversions when handling interrupts. Signed-off-by: David Hildenbrand Message-Id: <20180129125623.21729-19-david@redhat.com> Signed-off-by: Cornelia Huck --- hw/intc/s390_flic.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'hw/intc') diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c index b46c0f1..a85a149 100644 --- a/hw/intc/s390_flic.c +++ b/hw/intc/s390_flic.c @@ -22,6 +22,17 @@ #include "qapi/error.h" #include "hw/s390x/s390-virtio-ccw.h" +S390FLICStateClass *s390_get_flic_class(S390FLICState *fs) +{ + static S390FLICStateClass *class; + + if (!class) { + /* we only have one flic device, so this is fine to cache */ + class = S390_FLIC_COMMON_GET_CLASS(fs); + } + return class; +} + QEMUS390FLICState *s390_get_qemu_flic(S390FLICState *fs) { static QEMUS390FLICState *flic; @@ -146,7 +157,7 @@ static int qemu_s390_inject_airq(S390FLICState *fs, uint8_t type, uint8_t isc, uint8_t flags) { QEMUS390FLICState *flic = s390_get_qemu_flic(fs); - S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); + S390FLICStateClass *fsc = s390_get_flic_class(fs); bool flag = flags & S390_ADAPTER_SUPPRESSIBLE; uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI; -- cgit v1.1