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KVM: Drop kvm_arch_check_processor_compat() hook

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Drop kvm_arch_check_processor_compat() and its support code now that all
architecture implementations are nops.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>	# s390
Acked-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Message-Id: <20221130230934.1014142-33-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson
2022-11-30 23:09:16 +00:00
committed by Paolo Bonzini
parent 3045c483ee
commit 81a1cf9f89
13 changed files with 13 additions and 67 deletions
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24
virt/kvm/kvm_main.c
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@@ -5902,36 +5902,14 @@ void kvm_unregister_perf_callbacks(void)
}
#endif
struct kvm_cpu_compat_check {
void *opaque;
int *ret;
};
static void check_processor_compat(void *data)
int kvm_init(unsigned vcpu_size, unsigned vcpu_align, struct module *module)
{
struct kvm_cpu_compat_check *c = data;
*c->ret = kvm_arch_check_processor_compat(c->opaque);
}
int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
struct module *module)
{
struct kvm_cpu_compat_check c;
int r;
int cpu;
if (!zalloc_cpumask_var(&cpus_hardware_enabled, GFP_KERNEL))
return -ENOMEM;
c.ret = &r;
c.opaque = opaque;
for_each_online_cpu(cpu) {
smp_call_function_single(cpu, check_processor_compat, &c, 1);
if (r < 0)
goto out_free_2;
}
r = cpuhp_setup_state_nocalls(CPUHP_AP_KVM_STARTING, "kvm/cpu:starting",
kvm_starting_cpu, kvm_dying_cpu);
if (r)