From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCHv3 4/4] kvm: remove in_range from io devices Date: Mon, 29 Jun 2009 15:20:04 +0300 Message-ID: <20090629122004.GA21640@redhat.com> References: <20090629120919.GE21273@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mtosatti@redhat.com, paulmck@linux.vnet.ibm.com, markmc@redhat.com To: Gregory Haskins , avi@redhat.com Return-path: Received: from mx2.redhat.com ([66.187.237.31]:53683 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751226AbZF2MUh (ORCPT ); Mon, 29 Jun 2009 08:20:37 -0400 Content-Disposition: inline In-Reply-To: <20090629120919.GE21273@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Jun 29, 2009 at 03:09:19PM +0300, Michael S. Tsirkin wrote: > This changes bus accesses to use high-level kvm_io_bus_read/kvm_io_bus_write > functions. in_range now becomes unused so it is removed from device ops in > favor of read/write callbacks performing range checks internally. > > This allows aliasing (mostly for in-kernel virtio), as well as better error > handling by making it possible to pass errors up to userspace. > > Signed-off-by: Michael S. Tsirkin Ugh, forgot this trivial typo fix. Sorry. diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 790bd55..82e76da 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2276,7 +2276,7 @@ static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) !kvm_iodevice_read(&vcpu->arch.apic->dev, addr, len, v)) return 0; - return kvm_io_bus_read(vcpu->kvm, &vcpu->kvm->mmio_bus, addr, len, v); + return kvm_io_bus_read(&vcpu->kvm->mmio_bus, addr, len, v); } static int kvm_read_guest_virt(gva_t addr, void *val, unsigned int bytes,