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target-ppc: KVMPPC_H_CAS fix cpu-version endianess

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During KVMPPC_H_CAS processing, the cpu-version updated value is stored
without taking care of the current endianess. As a consequence, the guest
may not switch to the right CPU model, leading to unexpected results.

If needed, the value is now converted.

Fixes: 6d9412ea8132 ("target-ppc: Implement "compat" CPU option")
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Laurent Dufour 2014-06-27 15:47:37 +02:00 committed by Alexander Graf
parent 128f0e6614
commit 4bce526ec4
1 changed files with 1 additions and 2 deletions
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3
hw/ppc/spapr.c
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@ -160,8 +160,7 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu,
int index = ppc_get_vcpu_dt_id(cpu); int index = ppc_get_vcpu_dt_id(cpu);
if (cpu->cpu_version) { if (cpu->cpu_version) {
ret = fdt_setprop(fdt, offset, "cpu-version", ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->cpu_version);
&cpu->cpu_version, sizeof(cpu->cpu_version));
if (ret < 0) { if (ret < 0) {
return ret; return ret;
} }