Commit 556f2a52 authored by James Hogan's avatar James Hogan Committed by Paolo Bonzini

MIPS: KVM: Fix preemption warning reading FPU capability

Reading the KVM_CAP_MIPS_FPU capability returns cpu_has_fpu, however
this uses smp_processor_id() to read the current CPU capabilities (since
some old MIPS systems could have FPUs present on only a subset of CPUs).

We don't support any such systems, so work around the warning by using
raw_cpu_has_fpu instead.

We should probably instead claim not to support FPU at all if any one
CPU is lacking an FPU, but this should do for now.
Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim KrčmáÅ" <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f049729c
...@@ -1079,7 +1079,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) ...@@ -1079,7 +1079,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = KVM_COALESCED_MMIO_PAGE_OFFSET; r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break; break;
case KVM_CAP_MIPS_FPU: case KVM_CAP_MIPS_FPU:
r = !!cpu_has_fpu; /* We don't handle systems with inconsistent cpu_has_fpu */
r = !!raw_cpu_has_fpu;
break; break;
case KVM_CAP_MIPS_MSA: case KVM_CAP_MIPS_MSA:
/* /*
......
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