From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
Move processor compatibility check from kvm_arch_processor_compat() into
kvm_arch_hardware_setup(). The check does model name comparison with a
global variable, cur_cpu_spec. There is no point to check it at run time
on all processors.
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Cc: Fabiano Rosas <farosas@xxxxxxxxxxxxx>
---
arch/powerpc/kvm/powerpc.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 7b56d6ccfdfb..7e3a6659f107 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -444,12 +444,21 @@ int kvm_arch_hardware_enable(void)
int kvm_arch_hardware_setup(void *opaque)
{
- return 0;
+ /*
+ * kvmppc_core_check_processor_compat() checks the global variable.
+ * No point to check on all processors or at runtime.
+ * arch/powerpc/kvm/book3s.c: return 0
+ * arch/powerpc/kvm/e500.c: strcmp(cur_cpu_spec->cpu_name, "e500v2")
+ * arch/powerpc/kvm/e500mc.c: strcmp(cur_cpu_spec->cpu_name, "e500mc")
+ * strcmp(cur_cpu_spec->cpu_name, "e5500")
+ * strcmp(cur_cpu_spec->cpu_name, "e6500")
+ */
+ return kvmppc_core_check_processor_compat();
}
int kvm_arch_check_processor_compat(void)
{
- return kvmppc_core_check_processor_compat();
+ return 0;
}
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
--
2.25.1
