Commit 230c5724 authored May 08, 2015 by James Hogan

KVM: MIPS: Claim KVM_CAP_READONLY_MEM support

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

parent 411740f5

arch/mips/include/uapi/asm/kvm.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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
		*

arch/mips/kvm/mips.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1217,6 +1217,7 @@ 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;