search for: 780bc7903a32

Displaying 5 results from an estimated 5 matches for "780bc7903a32".

2019 Nov 22
3
[PATCH 1/1] virtio_ring: fix return code on DMA mapping fails
...t redhat.com> wrote: > Will be in the next pull request. > > On Tue, Nov 19, 2019 at 12:10:22PM +0100, Halil Pasic wrote: > > ping > > > > On Thu, 14 Nov 2019 13:46:46 +0100 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > Commit 780bc7903a32 ("virtio_ring: Support DMA APIs") makes > > > virtqueue_add() return -EIO when we fail to map our I/O buffers. This is > > > a very realistic scenario for guests with encrypted memory, as swiotlb > > > may run out of space, depending on it's size and the I/...
2019 Nov 22
3
[PATCH 1/1] virtio_ring: fix return code on DMA mapping fails
...t redhat.com> wrote: > Will be in the next pull request. > > On Tue, Nov 19, 2019 at 12:10:22PM +0100, Halil Pasic wrote: > > ping > > > > On Thu, 14 Nov 2019 13:46:46 +0100 > > Halil Pasic <pasic at linux.ibm.com> wrote: > > > > > Commit 780bc7903a32 ("virtio_ring: Support DMA APIs") makes > > > virtqueue_add() return -EIO when we fail to map our I/O buffers. This is > > > a very realistic scenario for guests with encrypted memory, as swiotlb > > > may run out of space, depending on it's size and the I/...
2018 Feb 23
1
[PATCH] virtio_ring: fix num_free handling in error case
The vq->vq.num_free hasn't been changed when error happens, so it shouldn't be changed when handling the error. Fixes: 780bc7903a32 ("virtio_ring: Support DMA APIs") Cc: Andy Lutomirski <luto at kernel.org> Cc: Michael S. Tsirkin <mst at redhat.com> Cc: stable at vger.kernel.org Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> --- drivers/virtio/virtio_ring.c | 2 -- 1 file changed, 2 deletions(-)...
2019 Nov 14
0
[PATCH 1/1] virtio_ring: fix return code on DMA mapping fails
Commit 780bc7903a32 ("virtio_ring: Support DMA APIs") makes virtqueue_add() return -EIO when we fail to map our I/O buffers. This is a very realistic scenario for guests with encrypted memory, as swiotlb may run out of space, depending on it's size and the I/O load. The virtio-blk driver interprets -EI...
2019 Nov 23
0
[PATCH 1/1] virtio_ring: fix return code on DMA mapping fails
...gt;> Will be in the next pull request. >> >> On Tue, Nov 19, 2019 at 12:10:22PM +0100, Halil Pasic wrote: >>> ping >>> >>> On Thu, 14 Nov 2019 13:46:46 +0100 >>> Halil Pasic <pasic at linux.ibm.com> wrote: >>> >>>> Commit 780bc7903a32 ("virtio_ring: Support DMA APIs") makes >>>> virtqueue_add() return -EIO when we fail to map our I/O buffers. This is >>>> a very realistic scenario for guests with encrypted memory, as swiotlb >>>> may run out of space, depending on it's size and...