search for: fbd2ecd

...rule applies to virtio, so let's do it correctly. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_ring.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index fbd2ecd..2216587 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -36,10 +36,10 @@ panic("%s:in_use = %i\n", \ (_vq)->vq.name, (_vq)->in_use); \ (_vq)->in_use = __LINE__; \ - mb(); \ + smp_mb(); \ } while (0) #define END_U...

...rule applies to virtio, so let's do it correctly. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_ring.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index fbd2ecd..2216587 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -36,10 +36,10 @@ panic("%s:in_use = %i\n", \ (_vq)->vq.name, (_vq)->in_use); \ (_vq)->in_use = __LINE__; \ - mb(); \ + smp_mb(); \ } while (0) #define END_U...

Hi Dave, Nice driver optimization from Shirley, but requires a new virtio hook. Do you want to take both? I have nothing else overlapping it. Cheers, Rusty.

Hi Dave, Nice driver optimization from Shirley, but requires a new virtio hook. Do you want to take both? I have nothing else overlapping it. Cheers, Rusty.

...l S. Tsirkin <mst at redhat.com> --- Changes from v1: fall back on mandatory barriers for UP drivers/virtio/virtio_ring.c | 30 ++++++++++++++++++++++++------ 1 files changed, 24 insertions(+), 6 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index fbd2ecd..6794662 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -21,6 +21,24 @@ #include <linux/virtio_config.h> #include <linux/device.h> +/* virtio guest is communicating with a virtual "device" that actually runs on + * a host processor. Memory...

...l S. Tsirkin <mst at redhat.com> --- Changes from v1: fall back on mandatory barriers for UP drivers/virtio/virtio_ring.c | 30 ++++++++++++++++++++++++------ 1 files changed, 24 insertions(+), 6 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index fbd2ecd..6794662 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -21,6 +21,24 @@ #include <linux/virtio_config.h> #include <linux/device.h> +/* virtio guest is communicating with a virtual "device" that actually runs on + * a host processor. Memory...