* Re: [PATCH 3/3] vdpa: Check for iova range at mappings changes [not found] ` <20211005080131.408506-4-eperezma@redhat.com> @ 2021-10-05 8:14 ` Michael S. Tsirkin [not found] ` <CAJaqyWdJbpSN8q5idvaYFr7eKAyj5yD36aOMpJ21roqc2ObxHg@mail.gmail.com> 0 siblings, 1 reply; 4+ messages in thread From: Michael S. Tsirkin @ 2021-10-05 8:14 UTC (permalink / raw) To: Eugenio Pérez Cc: Parav Pandit, qemu-devel, virtualization, Stefan Hajnoczi, Eli Cohen On Tue, Oct 05, 2021 at 10:01:31AM +0200, Eugenio Pérez wrote: > Check vdpa device range before updating memory regions so we don't add > any outside of it, and report the invalid change if any. > > Signed-off-by: Eugenio Pérez <eperezma@redhat.com> > --- > include/hw/virtio/vhost-vdpa.h | 2 + > hw/virtio/vhost-vdpa.c | 68 ++++++++++++++++++++++++++-------- > hw/virtio/trace-events | 1 + > 3 files changed, 55 insertions(+), 16 deletions(-) > > diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h > index a8963da2d9..c288cf7ecb 100644 > --- a/include/hw/virtio/vhost-vdpa.h > +++ b/include/hw/virtio/vhost-vdpa.h > @@ -13,6 +13,7 @@ > #define HW_VIRTIO_VHOST_VDPA_H > > #include "hw/virtio/virtio.h" > +#include "standard-headers/linux/vhost_types.h" > > typedef struct VhostVDPAHostNotifier { > MemoryRegion mr; > @@ -24,6 +25,7 @@ typedef struct vhost_vdpa { > uint32_t msg_type; > bool iotlb_batch_begin_sent; > MemoryListener listener; > + struct vhost_vdpa_iova_range iova_range; > struct vhost_dev *dev; > VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX]; > } VhostVDPA; > diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c > index a1de6c7c9c..26d0258723 100644 > --- a/hw/virtio/vhost-vdpa.c > +++ b/hw/virtio/vhost-vdpa.c > @@ -33,20 +33,34 @@ static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section) > return llend; > } > > -static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) > -{ > - return (!memory_region_is_ram(section->mr) && > - !memory_region_is_iommu(section->mr)) || > - memory_region_is_protected(section->mr) || > - /* vhost-vDPA doesn't allow MMIO to be mapped */ > - memory_region_is_ram_device(section->mr) || > - /* > - * Sizing an enabled 64-bit BAR can cause spurious mappings to > - * addresses in the upper part of the 64-bit address space. These > - * are never accessed by the CPU and beyond the address width of > - * some IOMMU hardware. TODO: VDPA should tell us the IOMMU width. > - */ > - section->offset_within_address_space & (1ULL << 63); > +static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section, > + uint64_t iova_min, > + uint64_t iova_max) > +{ > + Int128 llend; > + bool r = (!memory_region_is_ram(section->mr) && > + !memory_region_is_iommu(section->mr)) || > + memory_region_is_protected(section->mr) || > + /* vhost-vDPA doesn't allow MMIO to be mapped */ > + memory_region_is_ram_device(section->mr); > + if (r) { > + return true; > + } > + > + if (section->offset_within_address_space < iova_min) { > + error_report("RAM section out of device range (min=%lu, addr=%lu)", > + iova_min, section->offset_within_address_space); > + return true; > + } > + > + llend = vhost_vdpa_section_end(section); > + if (int128_make64(llend) > iova_max) { I am puzzled by this. You are taking a Int128, converting to u64, converting back to Int128, and comparing to u64. Head spins. What is all this back and forth trying to achieve? > + error_report("RAM section out of device range (max=%lu, end addr=%lu)", > + iova_max, (uint64_t)int128_make64(llend)); > + return true; > + } > + > + return false; > } > > static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size, > @@ -158,7 +172,8 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener, > void *vaddr; > int ret; > > - if (vhost_vdpa_listener_skipped_section(section)) { > + if (vhost_vdpa_listener_skipped_section(section, v->iova_range.first, > + v->iova_range.last)) { > return; > } > > @@ -216,7 +231,8 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener, > Int128 llend, llsize; > int ret; > > - if (vhost_vdpa_listener_skipped_section(section)) { > + if (vhost_vdpa_listener_skipped_section(section, v->iova_range.first, > + v->iova_range.last)) { > return; > } > > @@ -284,9 +300,24 @@ static void vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status) > vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &s); > } > > +static int vhost_vdpa_get_iova_range(struct vhost_vdpa *v) > +{ > + int ret; > + > + ret = vhost_vdpa_call(v->dev, VHOST_VDPA_GET_IOVA_RANGE, &v->iova_range); > + if (ret != 0) { > + return ret; > + } > + > + trace_vhost_vdpa_get_iova_range(v->dev, v->iova_range.first, > + v->iova_range.last); > + return ret; > +} > + > static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp) > { > struct vhost_vdpa *v; > + int r; > assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); > trace_vhost_vdpa_init(dev, opaque); > > @@ -296,6 +327,11 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp) > v->listener = vhost_vdpa_memory_listener; > v->msg_type = VHOST_IOTLB_MSG_V2; > > + r = vhost_vdpa_get_iova_range(v); > + if (unlikely(!r)) { > + return r; > + } > + > vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE | > VIRTIO_CONFIG_S_DRIVER); > > diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events > index 8ed19e9d0c..650e521e35 100644 > --- a/hw/virtio/trace-events > +++ b/hw/virtio/trace-events > @@ -52,6 +52,7 @@ vhost_vdpa_set_vring_call(void *dev, unsigned int index, int fd) "dev: %p index: > vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64 > vhost_vdpa_set_owner(void *dev) "dev: %p" > vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64 > +vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64 > > # virtio.c > virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u" > -- > 2.27.0 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply [flat|nested] 4+ messages in thread
[parent not found: <CAJaqyWdJbpSN8q5idvaYFr7eKAyj5yD36aOMpJ21roqc2ObxHg@mail.gmail.com>]
* Re: [PATCH 3/3] vdpa: Check for iova range at mappings changes [not found] ` <CAJaqyWdJbpSN8q5idvaYFr7eKAyj5yD36aOMpJ21roqc2ObxHg@mail.gmail.com> @ 2021-10-05 10:46 ` Michael S. Tsirkin 0 siblings, 0 replies; 4+ messages in thread From: Michael S. Tsirkin @ 2021-10-05 10:46 UTC (permalink / raw) To: Eugenio Perez Martin Cc: Parav Pandit, qemu-level, virtualization, Stefan Hajnoczi, Eli Cohen On Tue, Oct 05, 2021 at 11:58:12AM +0200, Eugenio Perez Martin wrote: > On Tue, Oct 5, 2021 at 10:14 AM Michael S. Tsirkin <mst@redhat.com> wrote: > > > > On Tue, Oct 05, 2021 at 10:01:31AM +0200, Eugenio Pérez wrote: > > > Check vdpa device range before updating memory regions so we don't add > > > any outside of it, and report the invalid change if any. > > > > > > Signed-off-by: Eugenio Pérez <eperezma@redhat.com> > > > --- > > > include/hw/virtio/vhost-vdpa.h | 2 + > > > hw/virtio/vhost-vdpa.c | 68 ++++++++++++++++++++++++++-------- > > > hw/virtio/trace-events | 1 + > > > 3 files changed, 55 insertions(+), 16 deletions(-) > > > > > > diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h > > > index a8963da2d9..c288cf7ecb 100644 > > > --- a/include/hw/virtio/vhost-vdpa.h > > > +++ b/include/hw/virtio/vhost-vdpa.h > > > @@ -13,6 +13,7 @@ > > > #define HW_VIRTIO_VHOST_VDPA_H > > > > > > #include "hw/virtio/virtio.h" > > > +#include "standard-headers/linux/vhost_types.h" > > > > > > typedef struct VhostVDPAHostNotifier { > > > MemoryRegion mr; > > > @@ -24,6 +25,7 @@ typedef struct vhost_vdpa { > > > uint32_t msg_type; > > > bool iotlb_batch_begin_sent; > > > MemoryListener listener; > > > + struct vhost_vdpa_iova_range iova_range; > > > struct vhost_dev *dev; > > > VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX]; > > > } VhostVDPA; > > > diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c > > > index a1de6c7c9c..26d0258723 100644 > > > --- a/hw/virtio/vhost-vdpa.c > > > +++ b/hw/virtio/vhost-vdpa.c > > > @@ -33,20 +33,34 @@ static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section) > > > return llend; > > > } > > > > > > -static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) > > > -{ > > > - return (!memory_region_is_ram(section->mr) && > > > - !memory_region_is_iommu(section->mr)) || > > > - memory_region_is_protected(section->mr) || > > > - /* vhost-vDPA doesn't allow MMIO to be mapped */ > > > - memory_region_is_ram_device(section->mr) || > > > - /* > > > - * Sizing an enabled 64-bit BAR can cause spurious mappings to > > > - * addresses in the upper part of the 64-bit address space. These > > > - * are never accessed by the CPU and beyond the address width of > > > - * some IOMMU hardware. TODO: VDPA should tell us the IOMMU width. > > > - */ > > > - section->offset_within_address_space & (1ULL << 63); > > > +static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section, > > > + uint64_t iova_min, > > > + uint64_t iova_max) > > > +{ > > > + Int128 llend; > > > + bool r = (!memory_region_is_ram(section->mr) && > > > + !memory_region_is_iommu(section->mr)) || > > > + memory_region_is_protected(section->mr) || > > > + /* vhost-vDPA doesn't allow MMIO to be mapped */ > > > + memory_region_is_ram_device(section->mr); > > > + if (r) { > > > + return true; > > > + } > > > + > > > + if (section->offset_within_address_space < iova_min) { > > > + error_report("RAM section out of device range (min=%lu, addr=%lu)", > > > + iova_min, section->offset_within_address_space); > > > + return true; > > > + } > > > + > > > + llend = vhost_vdpa_section_end(section); > > > + if (int128_make64(llend) > iova_max) { > > > > I am puzzled by this. > > You are taking a Int128, converting to u64, converting > > back to Int128, and comparing to u64. > > Head spins. What is all this back and forth trying to achieve? > > > > You are totally right, this series was extracted from a longer one > where I didn't use vhost_vdpa_section_end, but raw addresses. Then I > applied int128_make64 to the wrong variable, too fast. > > To be sure we are on the same page, to do: > > if (int128_ge(int128_make64(iova), llend)) { > // error message > return; > } > > The same way as vhost_vdpa_listener_region_{add,del} would be ok? > > Thanks! should be ok, yea > > > + error_report("RAM section out of device range (max=%lu, end addr=%lu)", > > > + iova_max, (uint64_t)int128_make64(llend)); > > > + return true; > > > + } > > > + > > > + return false; > > > } > > > > > > static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size, > > > @@ -158,7 +172,8 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener, > > > void *vaddr; > > > int ret; > > > > > > - if (vhost_vdpa_listener_skipped_section(section)) { > > > + if (vhost_vdpa_listener_skipped_section(section, v->iova_range.first, > > > + v->iova_range.last)) { > > > return; > > > } > > > > > > @@ -216,7 +231,8 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener, > > > Int128 llend, llsize; > > > int ret; > > > > > > - if (vhost_vdpa_listener_skipped_section(section)) { > > > + if (vhost_vdpa_listener_skipped_section(section, v->iova_range.first, > > > + v->iova_range.last)) { > > > return; > > > } > > > > > > @@ -284,9 +300,24 @@ static void vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status) > > > vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &s); > > > } > > > > > > +static int vhost_vdpa_get_iova_range(struct vhost_vdpa *v) > > > +{ > > > + int ret; > > > + > > > + ret = vhost_vdpa_call(v->dev, VHOST_VDPA_GET_IOVA_RANGE, &v->iova_range); > > > + if (ret != 0) { > > > + return ret; > > > + } > > > + > > > + trace_vhost_vdpa_get_iova_range(v->dev, v->iova_range.first, > > > + v->iova_range.last); > > > + return ret; > > > +} > > > + > > > static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp) > > > { > > > struct vhost_vdpa *v; > > > + int r; > > > assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); > > > trace_vhost_vdpa_init(dev, opaque); > > > > > > @@ -296,6 +327,11 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp) > > > v->listener = vhost_vdpa_memory_listener; > > > v->msg_type = VHOST_IOTLB_MSG_V2; > > > > > > + r = vhost_vdpa_get_iova_range(v); > > > + if (unlikely(!r)) { > > > + return r; > > > + } > > > + > > > vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE | > > > VIRTIO_CONFIG_S_DRIVER); > > > > > > diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events > > > index 8ed19e9d0c..650e521e35 100644 > > > --- a/hw/virtio/trace-events > > > +++ b/hw/virtio/trace-events > > > @@ -52,6 +52,7 @@ vhost_vdpa_set_vring_call(void *dev, unsigned int index, int fd) "dev: %p index: > > > vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64 > > > vhost_vdpa_set_owner(void *dev) "dev: %p" > > > vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64 > > > +vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64 > > > > > > # virtio.c > > > virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u" > > > -- > > > 2.27.0 > > _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply [flat|nested] 4+ messages in thread
[parent not found: <20211005080131.408506-3-eperezma@redhat.com>]
* Re: [PATCH 2/3] vdpa: Add vhost_vdpa_section_end [not found] ` <20211005080131.408506-3-eperezma@redhat.com> @ 2021-10-05 8:15 ` Michael S. Tsirkin [not found] ` <CAJaqyWfa8DLkLjmcOYd-av1ZsTDFyr++_+1omomtS=-Qq=Y9zw@mail.gmail.com> 0 siblings, 1 reply; 4+ messages in thread From: Michael S. Tsirkin @ 2021-10-05 8:15 UTC (permalink / raw) To: Eugenio Pérez Cc: Parav Pandit, qemu-devel, virtualization, Stefan Hajnoczi, Eli Cohen On Tue, Oct 05, 2021 at 10:01:30AM +0200, Eugenio Pérez wrote: > Abstract this operation, that will be reused when validating the region > against the iova range that the device supports. > > Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Note that as defined end is actually 1 byte beyond end of section. As such it can e.g. overflow if cast to u64. So be careful to use int128 ops with it. Also - document? > --- > hw/virtio/vhost-vdpa.c | 18 +++++++++++------- > 1 file changed, 11 insertions(+), 7 deletions(-) > > diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c > index ea1aa71ad8..a1de6c7c9c 100644 > --- a/hw/virtio/vhost-vdpa.c > +++ b/hw/virtio/vhost-vdpa.c > @@ -24,6 +24,15 @@ > #include "trace.h" > #include "qemu-common.h" > > +static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section) > +{ > + Int128 llend = int128_make64(section->offset_within_address_space); > + llend = int128_add(llend, section->size); > + llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > + > + return llend; > +} > + > static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) > { > return (!memory_region_is_ram(section->mr) && > @@ -160,10 +169,7 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener, > } > > iova = TARGET_PAGE_ALIGN(section->offset_within_address_space); > - llend = int128_make64(section->offset_within_address_space); > - llend = int128_add(llend, section->size); > - llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > - > + llend = vhost_vdpa_section_end(section); > if (int128_ge(int128_make64(iova), llend)) { > return; > } > @@ -221,9 +227,7 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener, > } > > iova = TARGET_PAGE_ALIGN(section->offset_within_address_space); > - llend = int128_make64(section->offset_within_address_space); > - llend = int128_add(llend, section->size); > - llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > + llend = vhost_vdpa_section_end(section); > > trace_vhost_vdpa_listener_region_del(v, iova, int128_get64(llend)); > > -- > 2.27.0 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply [flat|nested] 4+ messages in thread
[parent not found: <CAJaqyWfa8DLkLjmcOYd-av1ZsTDFyr++_+1omomtS=-Qq=Y9zw@mail.gmail.com>]
* Re: [PATCH 2/3] vdpa: Add vhost_vdpa_section_end [not found] ` <CAJaqyWfa8DLkLjmcOYd-av1ZsTDFyr++_+1omomtS=-Qq=Y9zw@mail.gmail.com> @ 2021-10-05 10:47 ` Michael S. Tsirkin 0 siblings, 0 replies; 4+ messages in thread From: Michael S. Tsirkin @ 2021-10-05 10:47 UTC (permalink / raw) To: Eugenio Perez Martin Cc: Parav Pandit, qemu-level, virtualization, Stefan Hajnoczi, Eli Cohen On Tue, Oct 05, 2021 at 11:52:37AM +0200, Eugenio Perez Martin wrote: > On Tue, Oct 5, 2021 at 10:15 AM Michael S. Tsirkin <mst@redhat.com> wrote: > > > > On Tue, Oct 05, 2021 at 10:01:30AM +0200, Eugenio Pérez wrote: > > > Abstract this operation, that will be reused when validating the region > > > against the iova range that the device supports. > > > > > > Signed-off-by: Eugenio Pérez <eperezma@redhat.com> > > > > Note that as defined end is actually 1 byte beyond end of section. > > As such it can e.g. overflow if cast to u64. > > So be careful to use int128 ops with it. > > You are right, but this is only the result of extracting "llend" > calculation in its own function, since it is going to be used a third > time in the next commit. This next commit contains a mistake because > of this, as you pointed out. > > Since "last" would be a very misleading name, do you think we could > give a better name / type to it? > > > Also - document? > > It will be documented with that ("It returns one byte beyond end of > section" or similar) too. > > Thanks! that's how c++ containers work so maybe it's not too bad as long as we document this carefully. > > > > > --- > > > hw/virtio/vhost-vdpa.c | 18 +++++++++++------- > > > 1 file changed, 11 insertions(+), 7 deletions(-) > > > > > > diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c > > > index ea1aa71ad8..a1de6c7c9c 100644 > > > --- a/hw/virtio/vhost-vdpa.c > > > +++ b/hw/virtio/vhost-vdpa.c > > > @@ -24,6 +24,15 @@ > > > #include "trace.h" > > > #include "qemu-common.h" > > > > > > +static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section) > > > +{ > > > + Int128 llend = int128_make64(section->offset_within_address_space); > > > + llend = int128_add(llend, section->size); > > > + llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > > > + > > > + return llend; > > > +} > > > + > > > static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) > > > { > > > return (!memory_region_is_ram(section->mr) && > > > @@ -160,10 +169,7 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener, > > > } > > > > > > iova = TARGET_PAGE_ALIGN(section->offset_within_address_space); > > > - llend = int128_make64(section->offset_within_address_space); > > > - llend = int128_add(llend, section->size); > > > - llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > > > - > > > + llend = vhost_vdpa_section_end(section); > > > if (int128_ge(int128_make64(iova), llend)) { > > > return; > > > } > > > @@ -221,9 +227,7 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener, > > > } > > > > > > iova = TARGET_PAGE_ALIGN(section->offset_within_address_space); > > > - llend = int128_make64(section->offset_within_address_space); > > > - llend = int128_add(llend, section->size); > > > - llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); > > > + llend = vhost_vdpa_section_end(section); > > > > > > trace_vhost_vdpa_listener_region_del(v, iova, int128_get64(llend)); > > > > > > -- > > > 2.27.0 > > _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-10-05 8:14 ` [PATCH 3/3] vdpa: Check for iova range at mappings changes Michael S. Tsirkin
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2021-10-05 10:46 ` Michael S. Tsirkin
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2021-10-05 8:15 ` [PATCH 2/3] vdpa: Add vhost_vdpa_section_end Michael S. Tsirkin
[not found] ` <CAJaqyWfa8DLkLjmcOYd-av1ZsTDFyr++_+1omomtS=-Qq=Y9zw@mail.gmail.com>
2021-10-05 10:47 ` Michael S. Tsirkin
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