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kvm: make one_reg helpers available for everyone

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s390x introduced helper functions for getting/setting one_regs with
commit 860643bc. However, nothing about these is s390-specific.

Alexey Kardashevskiy had already posted a general version, so let's
merge the two patches and massage the code a bit.

CC: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Cornelia Huck 2014-05-09 10:06:46 +02:00 • committed by Paolo Bonzini
parent 8e03c100a7
commit ada4135f84
4 changed files with 50 additions and 33 deletions
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29
target-s390x/kvm.c
View file

@ -129,35 +129,6 @@ void kvm_arch_reset_vcpu(CPUState *cpu)
}
}
static int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source)
{
struct kvm_one_reg reg;
int r;
reg.id = id;
reg.addr = (uint64_t) source;
r = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &reg);
if (r) {
trace_kvm_failed_reg_set(id, strerror(errno));
}
return r;
}
static int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target)
{
struct kvm_one_reg reg;
int r;
reg.id = id;
reg.addr = (uint64_t) target;
r = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, &reg);
if (r) {
trace_kvm_failed_reg_get(id, strerror(errno));
}
return r;
}
int kvm_arch_put_registers(CPUState *cs, int level)
{
S390CPU *cpu = S390_CPU(cs);