On 07/19/2017 10:08 PM, Konrad Rzeszutek Wilk wrote:
> On Wed, Jul 19, 2017 at 03:51:48PM +0800, Junxiao Bi wrote:
>> Hi Konrad,
>>
>> On 07/19/2017 03:37 PM, Roger Pau Monné wrote:
>>> On Wed, Jul 19, 2017 at 09:19:49AM +0800, Junxiao Bi wrote:
Hi Roger,
On 06/23/2017 08:57 PM, Roge
On Wed, Jul 19, 2017 at 03:51:48PM +0800, Junxiao Bi wrote:
> Hi Konrad,
>
> On 07/19/2017 03:37 PM, Roger Pau Monné wrote:
> > On Wed, Jul 19, 2017 at 09:19:49AM +0800, Junxiao Bi wrote:
> >> Hi Roger,
> >>
> >> On 06/23/2017 08:57 PM, Roger Pau Monné wrote:
> >>> On Thu, Jun 22, 2017 at 09:36:52
Hi Konrad,
On 07/19/2017 03:37 PM, Roger Pau Monné wrote:
> On Wed, Jul 19, 2017 at 09:19:49AM +0800, Junxiao Bi wrote:
>> Hi Roger,
>>
>> On 06/23/2017 08:57 PM, Roger Pau Monné wrote:
>>> On Thu, Jun 22, 2017 at 09:36:52AM +0800, Junxiao Bi wrote:
When ring buf full, hw queue will be stoppe
On Wed, Jul 19, 2017 at 09:19:49AM +0800, Junxiao Bi wrote:
> Hi Roger,
>
> On 06/23/2017 08:57 PM, Roger Pau Monné wrote:
> > On Thu, Jun 22, 2017 at 09:36:52AM +0800, Junxiao Bi wrote:
> >> When ring buf full, hw queue will be stopped. While blkif interrupt consume
> >> request and make free spa
Hi Roger,
On 06/23/2017 08:57 PM, Roger Pau Monné wrote:
> On Thu, Jun 22, 2017 at 09:36:52AM +0800, Junxiao Bi wrote:
>> When ring buf full, hw queue will be stopped. While blkif interrupt consume
>> request and make free space in ring buf, hw queue will be started again.
>> But since start queue
On Thu, Jun 22, 2017 at 09:36:52AM +0800, Junxiao Bi wrote:
> When ring buf full, hw queue will be stopped. While blkif interrupt consume
> request and make free space in ring buf, hw queue will be started again.
> But since start queue is protected by spin lock while stop not, that will
> cause a
On 06/23/2017 12:58 AM, Junxiao Bi wrote:
Hi Boris & Juergen,
Could you help review this patch? This is a race and will cause the io hung.
Thanks,
Junxiao.
On 06/22/2017 09:36 AM, Junxiao Bi wrote:
When ring buf full, hw queue will be stopped. While blkif interrupt consume
request and make
Hi Boris & Juergen,
Could you help review this patch? This is a race and will cause the io hung.
Thanks,
Junxiao.
On 06/22/2017 09:36 AM, Junxiao Bi wrote:
> When ring buf full, hw queue will be stopped. While blkif interrupt consume
> request and make free space in ring buf, hw queue will be st
When ring buf full, hw queue will be stopped. While blkif interrupt consume
request and make free space in ring buf, hw queue will be started again.
But since start queue is protected by spin lock while stop not, that will
cause a race.
interrupt: process:
blki