Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200727' into staging

ppc patch queue 2020-07-27

Only one patch in this batch, but it fixes a fairly important
regression, so we want it in qemu-5.1

# gpg: Signature made Mon 27 Jul 2020 06:51:57 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-5.1-20200727:
  pseries: fix kvmppc_set_fwnmi()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/ppc/spapr_rtas.c

@@ -438,7 +438,7 @@ static void rtas_ibm_nmi_register(PowerPCCPU *cpu,
     }
 
     if (kvm_enabled()) {
-        if (kvmppc_set_fwnmi() < 0) {
+        if (kvmppc_set_fwnmi(cpu) < 0) {
             rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
             return;
         }

target/ppc/kvm.c

@@ -2071,9 +2071,8 @@ bool kvmppc_get_fwnmi(void)
     return cap_fwnmi;
 }
 
-int kvmppc_set_fwnmi(void)
+int kvmppc_set_fwnmi(PowerPCCPU *cpu)
 {
-    PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
     CPUState *cs = CPU(cpu);
 
     return kvm_vcpu_enable_cap(cs, KVM_CAP_PPC_FWNMI, 0);

target/ppc/kvm_ppc.h

@@ -28,7 +28,7 @@ void kvmppc_set_papr(PowerPCCPU *cpu);
 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr);
 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
 bool kvmppc_get_fwnmi(void);
-int kvmppc_set_fwnmi(void);
+int kvmppc_set_fwnmi(PowerPCCPU *cpu);
 int kvmppc_smt_threads(void);
 void kvmppc_error_append_smt_possible_hint(Error *const *errp);
 int kvmppc_set_smt_threads(int smt);
@@ -169,7 +169,7 @@ static inline bool kvmppc_get_fwnmi(void)
     return false;
 }
 
-static inline int kvmppc_set_fwnmi(void)
+static inline int kvmppc_set_fwnmi(PowerPCCPU *cpu)
 {
     return -1;
 }