Displaying 20 results from an estimated 2000 matches similar to: "[PATCH v7 19/19] vhost: batching fetches"
2020 Apr 07
0
[PATCH v8 19/19] vhost: batching fetches
With this patch applied, new and old code perform identically.
Lots of extra optimizations are now possible, e.g.
we can fetch multiple heads with copy_from/to_user now.
We can get rid of maintaining the log array. Etc etc.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
Link:
2020 Jun 02
0
[PATCH RFC 03/13] vhost: batching fetches
With this patch applied, new and old code perform identically.
Lots of extra optimizations are now possible, e.g.
we can fetch multiple heads with copy_from/to_user now.
We can get rid of maintaining the log array. Etc etc.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
Link:
2020 Jun 04
0
[PATCH RFC 03/13] vhost: batching fetches
On Wed, Jun 03, 2020 at 03:27:39PM +0800, Jason Wang wrote:
>
> On 2020/6/2 ??9:06, Michael S. Tsirkin wrote:
> > With this patch applied, new and old code perform identically.
> >
> > Lots of extra optimizations are now possible, e.g.
> > we can fetch multiple heads with copy_from/to_user now.
> > We can get rid of maintaining the log array. Etc etc.
>
2020 Jun 03
2
[PATCH RFC 03/13] vhost: batching fetches
On 2020/6/2 ??9:06, Michael S. Tsirkin wrote:
> With this patch applied, new and old code perform identically.
>
> Lots of extra optimizations are now possible, e.g.
> we can fetch multiple heads with copy_from/to_user now.
> We can get rid of maintaining the log array. Etc etc.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Eugenio P?rez
2020 Jun 03
2
[PATCH RFC 03/13] vhost: batching fetches
On 2020/6/2 ??9:06, Michael S. Tsirkin wrote:
> With this patch applied, new and old code perform identically.
>
> Lots of extra optimizations are now possible, e.g.
> we can fetch multiple heads with copy_from/to_user now.
> We can get rid of maintaining the log array. Etc etc.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Eugenio P?rez
2019 Oct 11
0
[PATCH RFC v1 2/2] vhost: batching fetches
With this patch applied, new and old code perform identically.
Lots of extra optimizations are now possible, e.g.
we can fetch multiple heads with copy_from/to_user now.
We can get rid of maintaining the log array. Etc etc.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/test.c | 2 +-
drivers/vhost/vhost.c | 50 ++++++++++++++++++++++++++++++++++++-------
2019 Oct 12
0
[PATCH RFC v1 2/2] vhost: batching fetches
On Sat, Oct 12, 2019 at 03:30:52PM +0800, Jason Wang wrote:
>
> On 2019/10/11 ??9:46, Michael S. Tsirkin wrote:
> > With this patch applied, new and old code perform identically.
> >
> > Lots of extra optimizations are now possible, e.g.
> > we can fetch multiple heads with copy_from/to_user now.
> > We can get rid of maintaining the log array. Etc etc.
>
2020 Jun 11
0
[PATCH RFC v8 02/11] vhost: use batched get_vq_desc version
As testing shows no performance change, switch to that now.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/test.c | 2 +-
drivers/vhost/vhost.c | 314
2020 Jun 08
0
[PATCH RFC v6 02/11] vhost: use batched get_vq_desc version
As testing shows no performance change, switch to that now.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/test.c | 2 +-
drivers/vhost/vhost.c | 318
2020 Jun 10
0
[PATCH RFC v6 02/11] vhost: use batched get_vq_desc version
On Wed, Jun 10, 2020 at 11:14:49AM +0800, Jason Wang wrote:
>
> On 2020/6/8 ??8:52, Michael S. Tsirkin wrote:
> > As testing shows no performance change, switch to that now.
> >
> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> > Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
> > Link:
2019 Oct 12
2
[PATCH RFC v1 2/2] vhost: batching fetches
On 2019/10/11 ??9:46, Michael S. Tsirkin wrote:
> With this patch applied, new and old code perform identically.
>
> Lots of extra optimizations are now possible, e.g.
> we can fetch multiple heads with copy_from/to_user now.
> We can get rid of maintaining the log array. Etc etc.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> ---
>
2019 Oct 12
2
[PATCH RFC v1 2/2] vhost: batching fetches
On 2019/10/11 ??9:46, Michael S. Tsirkin wrote:
> With this patch applied, new and old code perform identically.
>
> Lots of extra optimizations are now possible, e.g.
> we can fetch multiple heads with copy_from/to_user now.
> We can get rid of maintaining the log array. Etc etc.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> ---
>
2020 Jun 10
2
[PATCH RFC v6 02/11] vhost: use batched get_vq_desc version
On 2020/6/8 ??8:52, Michael S. Tsirkin wrote:
> As testing shows no performance change, switch to that now.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
> Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
>
2020 Jun 10
2
[PATCH RFC v6 02/11] vhost: use batched get_vq_desc version
On 2020/6/8 ??8:52, Michael S. Tsirkin wrote:
> As testing shows no performance change, switch to that now.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Eugenio P?rez <eperezma at redhat.com>
> Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
>
2020 Jun 10
0
[PATCH RFC v7 03/14] vhost: use batched get_vq_desc version
On Wed, Jun 10, 2020 at 04:29:29PM +0200, Eugenio P??rez wrote:
> On Wed, 2020-06-10 at 07:36 -0400, Michael S. Tsirkin wrote:
> > As testing shows no performance change, switch to that now.
> >
> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> > Signed-off-by: Eugenio P??rez <eperezma at redhat.com>
> > Link:
2020 Jun 02
0
[PATCH RFC 04/13] vhost: cleanup fetch_buf return code handling
Return code of fetch_buf is confusing, so callers resort to
tricks to get to sane values. Let's switch to something standard:
0 empty, >0 non-empty, <0 error.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/vhost.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
2020 Jun 16
0
[PATCH RFC v7 03/14] vhost: use batched get_vq_desc version
On Tue, Jun 16, 2020 at 05:23:43PM +0200, Eugenio Perez Martin wrote:
> On Mon, Jun 15, 2020 at 6:05 PM Eugenio P??rez <eperezma at redhat.com> wrote:
> >
> > On Thu, 2020-06-11 at 07:30 -0400, Michael S. Tsirkin wrote:
> > > On Wed, Jun 10, 2020 at 06:18:32PM +0200, Eugenio Perez Martin wrote:
> > > > On Wed, Jun 10, 2020 at 5:13 PM Michael S. Tsirkin
2020 Jun 07
0
[PATCH RFC 03/13] vhost: batching fetches
On Fri, Jun 05, 2020 at 11:40:17AM +0800, Jason Wang wrote:
>
> On 2020/6/4 ??4:59, Michael S. Tsirkin wrote:
> > On Wed, Jun 03, 2020 at 03:27:39PM +0800, Jason Wang wrote:
> > > On 2020/6/2 ??9:06, Michael S. Tsirkin wrote:
> > > > With this patch applied, new and old code perform identically.
> > > >
> > > > Lots of extra optimizations
2020 Jun 23
0
[RFC v9 02/11] vhost: use batched get_vq_desc version
On Fri, Jun 19, 2020 at 08:22:53PM +0200, Eugenio P??rez wrote:
> From: "Michael S. Tsirkin" <mst at redhat.com>
>
> As testing shows no performance change, switch to that now.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Eugenio P??rez <eperezma at redhat.com>
> Link:
2020 Jun 05
2
[PATCH RFC 03/13] vhost: batching fetches
On 2020/6/4 ??4:59, Michael S. Tsirkin wrote:
> On Wed, Jun 03, 2020 at 03:27:39PM +0800, Jason Wang wrote:
>> On 2020/6/2 ??9:06, Michael S. Tsirkin wrote:
>>> With this patch applied, new and old code perform identically.
>>>
>>> Lots of extra optimizations are now possible, e.g.
>>> we can fetch multiple heads with copy_from/to_user now.
>>>