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2015 Dec 17
3
[PATCH] virtio_ring: use smp_store_mb
On Thu, Dec 17, 2015 at 02:57:26PM +0100, Peter Zijlstra wrote: > On Thu, Dec 17, 2015 at 03:16:20PM +0200, Michael S. Tsirkin wrote: > > On Thu, Dec 17, 2015 at 11:52:38AM +0100, Peter Zijlstra wrote: > > > On Thu, Dec 17, 2015 at 12:32:53PM +0200, Michael S. Tsirkin wrote: > > > > +static inline void virtio_store_mb(bool weak_barriers, > > > > +
2015 Dec 17
3
[PATCH] virtio_ring: use smp_store_mb
On Thu, Dec 17, 2015 at 02:57:26PM +0100, Peter Zijlstra wrote: > On Thu, Dec 17, 2015 at 03:16:20PM +0200, Michael S. Tsirkin wrote: > > On Thu, Dec 17, 2015 at 11:52:38AM +0100, Peter Zijlstra wrote: > > > On Thu, Dec 17, 2015 at 12:32:53PM +0200, Michael S. Tsirkin wrote: > > > > +static inline void virtio_store_mb(bool weak_barriers, > > > > +
2015 Dec 20
5
new barrier type for paravirt (was Re: [PATCH] virtio_ring: use smp_store_mb)
...smp_pv_mb() I'd like to get confirmation from Xen folks before posting this patchset. Comments/suggestions? Signed-off-by: Michael S. Tsirkin <mst at redhat.com> -- compile-tested only. diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c index fdb0f33..a28f049 100644 --- a/drivers/xen/xenbus/xenbus_comms.c +++ b/drivers/xen/xenbus/xenbus_comms.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/err.h> +#include <linux/virtio_ring.h> #include <xen/xenbus.h> #include <asm/xen/hyper...
2015 Dec 20
5
new barrier type for paravirt (was Re: [PATCH] virtio_ring: use smp_store_mb)
...smp_pv_mb() I'd like to get confirmation from Xen folks before posting this patchset. Comments/suggestions? Signed-off-by: Michael S. Tsirkin <mst at redhat.com> -- compile-tested only. diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c index fdb0f33..a28f049 100644 --- a/drivers/xen/xenbus/xenbus_comms.c +++ b/drivers/xen/xenbus/xenbus_comms.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/err.h> +#include <linux/virtio_ring.h> #include <xen/xenbus.h> #include <asm/xen/hyper...