search for: 47c6d4d

Displaying 5 results from an estimated 5 matches for "47c6d4d".

2019 May 16
0
[PATCH net 3/4] vhost: vsock: add weight support
...hat.com> Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vhost/vsock.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 47c6d4d..1fa9deb 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -86,6 +86,7 @@ static struct vhost_vsock *vhost_vsock_get(u32 guest_cid) struct vhost_virtqueue *vq) { struct vhost_virtqueue *tx_vq = &vsock->vqs[VSOCK_VQ_TX]; + int pkts = 0, total_len = 0; bool added =...
2019 May 16
6
[PATCH net 0/4] Prevent vhost kthread from hogging CPU
Hi: This series try to prvernt a guest triggerable CPU hogging through vhost kthread. This is done by introducing and checking the weight after each requrest. The patch has been tested with reproducer of vsock and virtio-net. Only compile test is done for vhost-scsi. Please review. This addresses CVE-2019-3900. Jason Wang (4): vhost: introduce vhost_exceeds_weight() vhost_net: fix possible
2019 May 17
0
[PATCH V2 1/4] vhost: introduce vhost_exceeds_weight()
...nt iov_limit); + int nvqs, int iov_limit, int weight, int byte_weight); long vhost_dev_set_owner(struct vhost_dev *dev); bool vhost_dev_has_owner(struct vhost_dev *dev); long vhost_dev_check_owner(struct vhost_dev *); diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index bb5fc0e..47c6d4d 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -21,6 +21,14 @@ #include "vhost.h" #define VHOST_VSOCK_DEFAULT_HOST_CID 2 +/* Max number of bytes transferred before requeueing the job. + * Using this limit prevents one virtqueue from starving others. */ +#define VHOS...
2019 May 17
9
[PATCH V2 0/4] Prevent vhost kthread from hogging CPU
Hi: This series try to prevent a guest triggerable CPU hogging through vhost kthread. This is done by introducing and checking the weight after each requrest. The patch has been tested with reproducer of vsock and virtio-net. Only compile test is done for vhost-scsi. Please review. This addresses CVE-2019-3900. Changs from V1: - fix user-ater-free in vosck patch Jason Wang (4): vhost:
2019 May 17
9
[PATCH V2 0/4] Prevent vhost kthread from hogging CPU
Hi: This series try to prevent a guest triggerable CPU hogging through vhost kthread. This is done by introducing and checking the weight after each requrest. The patch has been tested with reproducer of vsock and virtio-net. Only compile test is done for vhost-scsi. Please review. This addresses CVE-2019-3900. Changs from V1: - fix user-ater-free in vosck patch Jason Wang (4): vhost: