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s390x/kvm: reuse kvm_s390_reset_vcpu() to get rid of ifdefs

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This patch reuses kvm_s390_reset_vcpu() to get rid of some CONFIG_KVM and
CONFIG_USER_ONLY ifdefs in cpu.c.

In order to get rid of CONFIG_USER_ONLY, kvm_s390_reset_vcpu() has to provide a
dummy implementation - the two definitions are moved to the proper section in
cpu.h.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
CC: Andreas Faerber <afaerber@suse.de>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
David Hildenbrand 2014-09-30 10:57:31 +02:00 committed by Cornelia Huck
parent c9e659c9ee
commit 99607144a4
3 changed files with 7 additions and 12 deletions
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9
target-s390x/cpu.c
View File

@ -117,14 +117,10 @@ static void s390_cpu_initial_reset(CPUState *s)
env->pfault_token = -1UL;
#if defined(CONFIG_KVM)
/* Reset state inside the kernel that we cannot access yet from QEMU. */
if (kvm_enabled()) {
if (kvm_vcpu_ioctl(s, KVM_S390_INITIAL_RESET, NULL)) {
perror("Initial CPU reset failed");
}
kvm_s390_reset_vcpu(cpu);
}
#endif
}
/* CPUClass:reset() */
@ -145,11 +141,10 @@ static void s390_cpu_full_reset(CPUState *s)
env->pfault_token = -1UL;
#if !defined(CONFIG_USER_ONLY)
/* Reset state inside the kernel that we cannot access yet from QEMU. */
if (kvm_enabled()) {
kvm_s390_reset_vcpu(cpu);
}
#endif
tlb_flush(s, 1);
}

8
target-s390x/cpu.h
View File

@ -389,16 +389,12 @@ int s390_virtio_hypercall(CPUS390XState *env);
void s390_virtio_irq(int config_change, uint64_t token);
#ifdef CONFIG_KVM
void kvm_s390_reset_vcpu(S390CPU *cpu);
void kvm_s390_virtio_irq(int config_change, uint64_t token);
void kvm_s390_service_interrupt(uint32_t parm);
void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq);
void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq);
int kvm_s390_inject_flic(struct kvm_s390_irq *irq);
#else
static inline void kvm_s390_reset_vcpu(S390CPU *cpu)
{
}
static inline void kvm_s390_virtio_irq(int config_change, uint64_t token)
{
}
@ -1073,6 +1069,7 @@ int kvm_s390_cpu_restart(S390CPU *cpu);
int kvm_s390_get_memslot_count(KVMState *s);
void kvm_s390_clear_cmma_callback(void *opaque);
int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state);
void kvm_s390_reset_vcpu(S390CPU *cpu);
#else
static inline void kvm_s390_io_interrupt(uint16_t subchannel_id,
uint16_t subchannel_nr,
@ -1107,6 +1104,9 @@ static inline int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state)
{
return -ENOSYS;
}
static inline void kvm_s390_reset_vcpu(S390CPU *cpu)
{
}
#endif
static inline void cmma_reset(S390CPU *cpu)

2
target-s390x/kvm.c
View File

@ -198,7 +198,7 @@ void kvm_s390_reset_vcpu(S390CPU *cpu)
* Before this ioctl cpu_synchronize_state() is called in common kvm
* code (kvm-all) */
if (kvm_vcpu_ioctl(cs, KVM_S390_INITIAL_RESET, NULL)) {
perror("Can't reset vcpu\n");
error_report("Initial CPU reset failed on CPU %i\n", cs->cpu_index);
}
}