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[82.27.106.168]) by smtp.gmail.com with ESMTPSA id s8sm14646788wro.19.2021.11.29.11.12.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Nov 2021 11:12:48 -0800 (PST) Date: Mon, 29 Nov 2021 19:12:26 +0000 From: Jean-Philippe Brucker To: Eric Auger Subject: Re: [PATCH v6 3/4] virtio-iommu: Fix the domain_range end Message-ID: References: <20211127072910.1261824-1-eric.auger@redhat.com> <20211127072910.1261824-4-eric.auger@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211127072910.1261824-4-eric.auger@redhat.com> X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::42d (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=jean-philippe@linaro.org; helo=mail-wr1-x42d.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, peter.maydell@linaro.org, thuth@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, pbonzini@redhat.com, eric.auger.pro@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sat, Nov 27, 2021 at 08:29:09AM +0100, Eric Auger wrote: > in old times the domain range was defined by a domain_bits le32. > This was then converted into a domain_range struct. During the > upgrade the original value of '32' (bits) has been kept while > the end field now is the max value of the domain id (UINT32_MAX). > Fix that and also use UINT64_MAX for the input_range.end. > > Signed-off-by: Eric Auger > Reported-by: Jean-Philippe Brucker Reviewed-by: Jean-Philippe Brucker > --- > hw/virtio/virtio-iommu.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c > index 30ee09187b8..aa9c16a17b1 100644 > --- a/hw/virtio/virtio-iommu.c > +++ b/hw/virtio/virtio-iommu.c > @@ -978,8 +978,8 @@ static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) > s->event_vq = virtio_add_queue(vdev, VIOMMU_DEFAULT_QUEUE_SIZE, NULL); > > s->config.page_size_mask = TARGET_PAGE_MASK; > - s->config.input_range.end = -1UL; > - s->config.domain_range.end = 32; > + s->config.input_range.end = UINT64_MAX; > + s->config.domain_range.end = UINT32_MAX; > s->config.probe_size = VIOMMU_PROBE_SIZE; > > virtio_add_feature(&s->features, VIRTIO_RING_F_EVENT_IDX); > -- > 2.26.3 >