Introduce a new memory accessor for vringh. It is able to use vringh to
virtio rings located on io-memory region.
Signed-off-by: Shunsuke Mie
---
drivers/vhost/vringh.c | 201 +
include/linux/vringh.h | 32 +++
2 files changed, 233 insertions(+)
Vringh is a host-side implementation of virtio rings, and supports the vring
located on three kinds of memories, userspace, kernel space and a space
translated iotlb.
This patch introduces a new accessor for the vring on IO memory regions. The
accessor is used by the proposed PCIe endpoint
On Thu, Jun 1, 2023 at 3:43 PM Oleg Nesterov wrote:
>
> On 06/01, Jason Wang wrote:
> >
> > On Wed, May 31, 2023 at 5:14 PM Oleg Nesterov wrote:
> > >
> > > > > I don't understand you. OK, to simplify, suppose we have 2 global vars
> > > > >
> > > > > void *PTR = something_non_null;
> >
Mike Christie writes:
> When switching from kthreads to vhost_tasks two bugs were added:
> 1. The vhost worker tasks's now show up as processes so scripts doing
> ps or ps a would not incorrectly detect the vhost task as another
> process. 2. kthreads disabled freeze by setting PF_NOFREEZE, but
On Thu, Jun 01, 2023 at 01:32:32PM -0500, Mike Christie wrote:
> When switching from kthreads to vhost_tasks two bugs were added:
> 1. The vhost worker tasks's now show up as processes so scripts doing
> ps or ps a would not incorrectly detect the vhost task as another
> process. 2. kthreads
On Thu, Jun 01, 2023 at 10:08:50AM -0400, Stefan Hajnoczi wrote:
> On Wed, May 31, 2023 at 04:49:39PM -0400, Vivek Goyal wrote:
> > On Wed, May 31, 2023 at 10:34:15PM +0200, Peter-Jan Gootzen wrote:
> > > On 31/05/2023 21:18, Vivek Goyal wrote:
> > > > On Wed, May 31, 2023 at 07:10:32PM +0200,
When switching from kthreads to vhost_tasks two bugs were added:
1. The vhost worker tasks's now show up as processes so scripts doing
ps or ps a would not incorrectly detect the vhost task as another
process. 2. kthreads disabled freeze by setting PF_NOFREEZE, but
vhost tasks's didn't disable or
On Thu, Jun 01, 2023 at 04:49:06PM +0200, Peter-Jan Gootzen wrote:
> On 01/06/2023 16:08, Stefan Hajnoczi wrote:
> > On Wed, May 31, 2023 at 04:49:39PM -0400, Vivek Goyal wrote:
> >> On Wed, May 31, 2023 at 10:34:15PM +0200, Peter-Jan Gootzen wrote:
> >>> On 31/05/2023 21:18, Vivek Goyal wrote:
>
On 6/1/23 2:47 AM, Stefano Garzarella wrote:
>>
>> static void vhost_worker_free(struct vhost_dev *dev)
>> {
>> - struct vhost_worker *worker = dev->worker;
>> + struct vhost_task *vtsk = READ_ONCE(dev->worker.vtsk);
>>
>> - if (!worker)
>> + if (!vtsk)
>> return;
>>
>> -
On 6/1/23 5:47 AM, Christian Brauner wrote:
> On Thu, Jun 01, 2023 at 09:58:38AM +0200, Thorsten Leemhuis wrote:
>> On 19.05.23 14:15, Christian Brauner wrote:
>>> On Thu, May 18, 2023 at 10:25:11AM +0200, Christian Brauner wrote:
On Wed, May 17, 2023 at 07:09:12PM -0500, Mike Christie wrote:
On 01/06/2023 16:08, Stefan Hajnoczi wrote:
> On Wed, May 31, 2023 at 04:49:39PM -0400, Vivek Goyal wrote:
>> On Wed, May 31, 2023 at 10:34:15PM +0200, Peter-Jan Gootzen wrote:
>>> On 31/05/2023 21:18, Vivek Goyal wrote:
On Wed, May 31, 2023 at 07:10:32PM +0200, Peter-Jan Gootzen wrote:
>
On Wed, May 31, 2023 at 04:49:39PM -0400, Vivek Goyal wrote:
> On Wed, May 31, 2023 at 10:34:15PM +0200, Peter-Jan Gootzen wrote:
> > On 31/05/2023 21:18, Vivek Goyal wrote:
> > > On Wed, May 31, 2023 at 07:10:32PM +0200, Peter-Jan Gootzen wrote:
> > >> When the Virtio queue is full, a work item
On Thu, Jun 1, 2023 at 6:47 AM Christian Brauner wrote:
>
> @Mike, do you want to prepare an updated version of the temporary fix.
> If @Linus prefers to just apply it directly he can just grab it from the
> list rather than delaying it. Make sure to grab a Co-developed-by line
> on this, @Mike.
On 01.06.23 12:47, Christian Brauner wrote:
> On Thu, Jun 01, 2023 at 09:58:38AM +0200, Thorsten Leemhuis wrote:
>> On 19.05.23 14:15, Christian Brauner wrote:
>>> On Thu, May 18, 2023 at 10:25:11AM +0200, Christian Brauner wrote:
On Wed, May 17, 2023 at 07:09:12PM -0500, Mike Christie wrote:
On 28.04.23 11:50, Hou Wenlong wrote:
Similar to the alternative patching, use relative reference for original
instruction rather than absolute one, which saves 8 bytes for one entry
on x86_64. And it could generate R_X86_64_PC32 relocation instead of
R_X86_64_64 relocation, which also reduces
On Wed, May 31, 2023 at 07:47:32PM +, Bobby Eshleman wrote:
Previous to setting the owner the socket is found via
vsock_find_connected_socket(), which returns sk after a call to
sock_hold().
If setting the owner fails, then sock_put() needs to be called.
Fixes: f9d2b1e146e0 ("virtio/vsock:
On 19.05.23 14:15, Christian Brauner wrote:
> On Thu, May 18, 2023 at 10:25:11AM +0200, Christian Brauner wrote:
>> On Wed, May 17, 2023 at 07:09:12PM -0500, Mike Christie wrote:
>>> This patch allows the vhost and vhost_task code to use CLONE_THREAD,
>>> CLONE_SIGHAND and CLONE_FILES. It's a RFC
On Wed, May 31, 2023 at 11:27:12AM -0500, Mike Christie wrote:
On 5/31/23 10:15 AM, Mike Christie wrote:
rcu would work for your case and for what Jason had requested.
Yeah, so you already have some patches?
Do you want to send it to solve this problem?
Yeah, I'll break them out and send
On 06/01, Jason Wang wrote:
>
> On Wed, May 31, 2023 at 5:14 PM Oleg Nesterov wrote:
> >
> > > > I don't understand you. OK, to simplify, suppose we have 2 global vars
> > > >
> > > > void *PTR = something_non_null;
> > > > unsigned long FLAGS = -1ul;
> > > >
> > > > Now I think
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