Message ID | b69648587780233231c57e5c3c6ab8c10a4c81e8.1484570878.git-series.james.hogan@imgtec.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/arch/mips/include/uapi/asm/kvm.h b/arch/mips/include/uapi/asm/kvm.h index 6985eb59b085..a8a0199bf760 100644 --- a/arch/mips/include/uapi/asm/kvm.h +++ b/arch/mips/include/uapi/asm/kvm.h @@ -19,6 +19,8 @@ * Some parts derived from the x86 version of this file. */ +#define __KVM_HAVE_READONLY_MEM + /* * for KVM_GET_REGS and KVM_SET_REGS * diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 425e4139742c..cf501a5a0dfe 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -1222,6 +1222,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) switch (ext) { case KVM_CAP_ONE_REG: case KVM_CAP_ENABLE_CAP: + case KVM_CAP_READONLY_MEM: case KVM_CAP_SYNC_MMU: r = 1; break;
Now that load/store faults due to read only memory regions are treated as MMIO accesses it is safe to claim support for read only memory regions (KVM_CAP_READONLY_MEM). Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- arch/mips/include/uapi/asm/kvm.h | 2 ++ arch/mips/kvm/mips.c | 1 + 2 files changed, 3 insertions(+), 0 deletions(-)