search for: virtio_ring_0_9

...vel this follows alf design https://github.com/netoptimizer/prototype-kernel/blob/master/kernel/lib/alf_queue.c but on most (single-threaded) benchmarks this seems to be slower than the layout without index use. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 49 ++++++++++++++++++++++++++++- tools/virtio/ringtest/virtio_ring_inorder.c | 2 ++ tools/virtio/ringtest/Makefile | 4 ++- 3 files changed, 53 insertions(+), 2 deletions(-) create mode 100644 tools/virtio/ringtest/virtio_ring_inorder.c diff --git a/tools/virtio/ringtest/...

...vel this follows alf design https://github.com/netoptimizer/prototype-kernel/blob/master/kernel/lib/alf_queue.c but on most (single-threaded) benchmarks this seems to be slower than the layout without index use. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 49 ++++++++++++++++++++++++++++- tools/virtio/ringtest/virtio_ring_inorder.c | 2 ++ tools/virtio/ringtest/Makefile | 4 ++- 3 files changed, 53 insertions(+), 2 deletions(-) create mode 100644 tools/virtio/ringtest/virtio_ring_inorder.c diff --git a/tools/virtio/ringtest/...

..._consume(&array); + + return ptr; +} + +void call_used(void) +{ + assert(0); +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index 6173ada..877a8a4 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder noring +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder ptr_ring noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -8,6 +8,7 @@ LDFLAGS += -pthread -O2 -ggdb main.o: main.c main.h ring.o: ring.c main.h +ptr_ring.o: ptr_ring.c main.h ....

..._consume(&array); + + return ptr; +} + +void call_used(void) +{ + assert(0); +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index 6173ada..877a8a4 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder noring +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder ptr_ring noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -8,6 +8,7 @@ LDFLAGS += -pthread -O2 -ggdb main.o: main.c main.h ring.o: ring.c main.h +ptr_ring.o: ptr_ring.c main.h ....

last kicked event index must be updated unconditionally: even if we don't need to kick, we do not want to re-check the same entry for events. Reported-by: Cornelia Huck <cohuck at redhat.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index bbc3043..5fd3fbc 100644 --- a/tools/virtio/ringtest/virtio_ring_0_9.c +++ b/tools/virtio/ringtest/virtio_ring_0_9....

last kicked event index must be updated unconditionally: even if we don't need to kick, we do not want to re-check the same entry for events. Reported-by: Cornelia Huck <cohuck at redhat.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index bbc3043..5fd3fbc 100644 --- a/tools/virtio/ringtest/virtio_ring_0_9.c +++ b/tools/virtio/ringtest/virtio_ring_0_9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

These are used for legacy ring format, switch to APIs that make this explicit. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/virtio_test.c | 6 +++--- tools/virtio/vringh_test.c | 18 +++++++++--------- 3 files changed, 15 insertions(+), 15 deletions(-) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 13a035a390e9....

...*lenp, void **bufp) +{ + return true; +} + +void call_used(void) +{ + assert(0); +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index a8356d8..b3d5bc8 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder skb_array +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder skb_array noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -17,6 +17,7 @@ virtio_ring_0_9: virtio_ring_0_9.o main.o virtio_ring_poll: virtio_ring_poll.o main.o virtio_ring_inor...

...*lenp, void **bufp) +{ + return true; +} + +void call_used(void) +{ + assert(0); +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index a8356d8..b3d5bc8 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder skb_array +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder skb_array noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -17,6 +17,7 @@ virtio_ring_0_9: virtio_ring_0_9.o main.o virtio_ring_poll: virtio_ring_poll.o main.o virtio_ring_inor...

...ly standalone, I think it's reasonable to merge this in 4.5. tools/virtio/ringtest/main.h | 119 ++++++++++ tools/virtio/ringtest/main.c | 366 +++++++++++++++++++++++++++++++ tools/virtio/ringtest/ring.c | 272 +++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_0_9.c | 316 ++++++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_poll.c | 2 + tools/virtio/ringtest/Makefile | 22 ++ tools/virtio/ringtest/README | 2 + tools/virtio/ringtest/run-on-all.sh | 24 ++ 8 files changed, 1123 insertions(+) create mode 100644 tool...

...ly standalone, I think it's reasonable to merge this in 4.5. tools/virtio/ringtest/main.h | 119 ++++++++++ tools/virtio/ringtest/main.c | 366 +++++++++++++++++++++++++++++++ tools/virtio/ringtest/ring.c | 272 +++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_0_9.c | 316 ++++++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_poll.c | 2 + tools/virtio/ringtest/Makefile | 22 ++ tools/virtio/ringtest/README | 2 + tools/virtio/ringtest/run-on-all.sh | 24 ++ 8 files changed, 1123 insertions(+) create mode 100644 tool...

...| 1 + tools/virtio/ringtest/main.h | 119 ++++++++++ drivers/virtio/virtio_pci_common.c | 2 + tools/virtio/ringtest/main.c | 366 +++++++++++++++++++++++++++++++ tools/virtio/ringtest/ring.c | 272 +++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_0_9.c | 316 ++++++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_poll.c | 2 + tools/virtio/ringtest/Makefile | 22 ++ tools/virtio/ringtest/README | 2 + tools/virtio/ringtest/run-on-all.sh | 24 ++ 13 files changed, 1148 insertions(+), 10 deletions(-) creat...

...| 1 + tools/virtio/ringtest/main.h | 119 ++++++++++ drivers/virtio/virtio_pci_common.c | 2 + tools/virtio/ringtest/main.c | 366 +++++++++++++++++++++++++++++++ tools/virtio/ringtest/ring.c | 272 +++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_0_9.c | 316 ++++++++++++++++++++++++++ tools/virtio/ringtest/virtio_ring_poll.c | 2 + tools/virtio/ringtest/Makefile | 22 ++ tools/virtio/ringtest/README | 2 + tools/virtio/ringtest/run-on-all.sh | 24 ++ 13 files changed, 1148 insertions(+), 10 deletions(-) creat...

...ct vring, add supporting legacy APIs and switch everyone to use that. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_ring.h | 28 +++++++++++++++++++++++++ include/uapi/linux/virtio_ring.h | 26 ++++++++++++++--------- tools/virtio/ringtest/virtio_ring_0_9.c | 6 +++--- tools/virtio/vringh_test.c | 20 +++++++++--------- 4 files changed, 57 insertions(+), 23 deletions(-) diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 3dc70adfe5f5..b6a31b3cf87c 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/vi...

...platform/mellanox/mlxbf-tmfifo.c | 10 ++++----- drivers/virtio/virtio_ring.c | 10 ++++----- include/linux/virtio.h | 2 +- include/linux/virtio_ring.h | 28 ++++++++++++++++++++++++ include/linux/vringh.h | 2 +- tools/virtio/ringtest/virtio_ring_0_9.c | 6 ++--- tools/virtio/virtio_test.c | 2 +- tools/virtio/vringh_test.c | 20 ++++++++--------- 9 files changed, 55 insertions(+), 27 deletions(-) diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c index 85942f6717c5..817abf0b5cd1 10064...