s390x/tcg: rearm the CKC timer during migration
If the CPU data is migrated after the TOD clock, the CKC timer of a CPU is not rearmed. Let's rearm it when loading the CPU state. Introduce tcg-stub.c just like kvm-stub.c for tcg specific stubs. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180627134410.4901-9-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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@ -5,6 +5,7 @@ obj-$(CONFIG_SOFTMMU) += machine.o ioinst.o arch_dump.o mmu_helper.o diag.o
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obj-$(CONFIG_SOFTMMU) += sigp.o
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obj-$(CONFIG_KVM) += kvm.o
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obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
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obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o
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# build and run feature list generator
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feat-src = $(SRC_PATH)/target/$(TARGET_BASE_ARCH)/
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@ -19,6 +19,7 @@
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#include "cpu.h"
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#include "internal.h"
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#include "kvm_s390x.h"
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#include "tcg_s390x.h"
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#include "sysemu/kvm.h"
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static int cpu_post_load(void *opaque, int version_id)
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@ -34,6 +35,11 @@ static int cpu_post_load(void *opaque, int version_id)
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return kvm_s390_vcpu_interrupt_post_load(cpu);
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}
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if (tcg_enabled()) {
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/* Rearm the CKC timer if necessary */
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tcg_s390_tod_updated(CPU(cpu), RUN_ON_CPU_NULL);
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}
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return 0;
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}
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20
target/s390x/tcg-stub.c
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20
target/s390x/tcg-stub.c
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@ -0,0 +1,20 @@
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/*
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* QEMU TCG support -- s390x specific function stubs.
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*
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* Copyright (C) 2018 Red Hat Inc
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*
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* Authors:
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* David Hildenbrand <david@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "cpu.h"
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#include "tcg_s390x.h"
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void tcg_s390_tod_updated(CPUState *cs, run_on_cpu_data opaque)
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{
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}
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