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authorPaolo Bonzini <pbonzini@redhat.com>2016-03-09 11:50:42 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-03-09 11:50:42 +0100
commitab92f30875a7ec3e84644a5494febd8901e66742 (patch)
tree5254eb36b20b0d1c584c15d0bf3d6a5a9c1bb451 /arch/arm/kvm/mmio.c
parentbb9eadf0c35f2e7eb5ca6468f46ebb7473b85537 (diff)
parentb40c4892d175874d118860c8282a85ee7b64bcbb (diff)
Merge tag 'kvm-arm-for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/ARM updates for 4.6 - VHE support so that we can run the kernel at EL2 on ARMv8.1 systems - PMU support for guests - 32bit world switch rewritten in C - Various optimizations to the vgic save/restore code Conflicts: include/uapi/linux/kvm.h
Diffstat (limited to 'arch/arm/kvm/mmio.c')
-rw-r--r--arch/arm/kvm/mmio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index 7f33b2056ae6..0f6600f05137 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -206,7 +206,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
run->mmio.is_write = is_write;
run->mmio.phys_addr = fault_ipa;
run->mmio.len = len;
- memcpy(run->mmio.data, data_buf, len);
+ if (is_write)
+ memcpy(run->mmio.data, data_buf, len);
if (!ret) {
/* We handled the access successfully in the kernel. */