From: "Jason J. Herne" <jjhe...@us.ibm.com> Modify s390_cpu_addr2state to allow fetching state information for cpu addresses above smp_cpus. Hotplug requires this capability.
Also add s390_cpu_set_state function to allow modification of ipi_state entries during hotplug. Signed-off-by: Jason J. Herne <jjhe...@us.ibm.com> --- hw/s390x/s390-virtio.c | 9 +++++---- target-s390x/cpu.h | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index 21e9124..5ad9cf3 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -54,12 +54,13 @@ static VirtIOS390Bus *s390_bus; static S390CPU **ipi_states; -S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) +void s390_cpu_set_ipistate(uint16_t cpu_addr, S390CPU *state) { - if (cpu_addr >= smp_cpus) { - return NULL; - } + ipi_states[cpu_addr] = state; +} +S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) +{ return ipi_states[cpu_addr]; } diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 877eac7..62eb810 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -377,7 +377,7 @@ static inline void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint8_t *s390_get_storage_keys(void); void s390_alloc_storage_keys(ram_addr_t ram_size); - +void s390_cpu_set_ipistate(uint16_t cpu_addr, S390CPU *state); S390CPU *s390_cpu_addr2state(uint16_t cpu_addr); void s390_add_running_cpu(S390CPU *cpu); unsigned s390_del_running_cpu(S390CPU *cpu); -- 1.7.10.4