On Thu, Jul 23, 2020 at 11:32:39AM +0100, Stefan Hajnoczi wrote:
> On Thu, Jul 16, 2020 at 11:33:44AM +0200, Stefano Garzarella wrote:
> > +Cc Michael, Stefan, virtualization@lists.linux-foundation.org
> >
> > On Thu, Jul 16, 2020 at 09:06:14AM +0100, Richard W.M. Jones wrote:
> > >
> > >
On Thu, Jul 16, 2020 at 11:33:44AM +0200, Stefano Garzarella wrote:
> +Cc Michael, Stefan, virtualization@lists.linux-foundation.org
>
> On Thu, Jul 16, 2020 at 09:06:14AM +0100, Richard W.M. Jones wrote:
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=1857515
> >
> > A virtio-blk disk
On Wed, Jul 22, 2020 at 05:09:24PM +0200, Guennadi Liakhovetski wrote:
> VHOST_VSOCK_SET_RUNNING is used by the vhost vsock driver to perform
> crucial VirtQueue initialisation, like assigning .private fields and
> calling vhost_vq_init_access(), and clean up. However, this ioctl is
> actually
We don't free config irq in ifcvf_free_irq() which will trigger a
BUG() in pci core since we try to free the vectors that has an
action. Fixing this by recording the config irq in ifcvf_hw structure
and free it in ifcvf_free_irq().
Fixes: e7991f376a4d ("ifcvf: implement config interrupt in
We ignore the err of requesting config interrupt, fix this.
Fixes: e7991f376a4d ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan
Signed-off-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c
On Thu, Jul 23, 2020 at 11:40:56AM +0100, Richard W.M. Jones wrote:
> On Thu, Jul 23, 2020 at 11:32:39AM +0100, Stefan Hajnoczi wrote:
> > On Thu, Jul 16, 2020 at 11:33:44AM +0200, Stefano Garzarella wrote:
> > > +Cc Michael, Stefan, virtualization@lists.linux-foundation.org
> > >
> > > On Thu,
Hi Mike,
On Wed, Jul 22, 2020 at 10:53:02PM +, Mike Stunes wrote:
> Thanks Joerg! With that change in place, this kernel boots normally.
> What was the problem?
The problem was that the code got its page-table from
current->active_mm. But these pointers are not set up during early boot,
so
On Thu, Jul 09, 2020 at 12:06:13PM -0400, Waiman Long wrote:
> We don't really need to do a pv_spinlocks_init() if pv_kick() isn't
> supported.
Waiman, if you cannot explain how not having kick is a sane thing, what
are you saying here?
___
Excerpts from Michael Ellerman's message of July 9, 2020 8:53 pm:
> Nicholas Piggin writes:
>
>> Signed-off-by: Nicholas Piggin
>> ---
>> arch/powerpc/include/asm/paravirt.h | 28
>> arch/powerpc/include/asm/qspinlock.h | 66 +++
>>
On 7/23/20 9:30 AM, Nicholas Piggin wrote:
I would prefer to extract out the pending bit handling code out into a
separate helper function which can be overridden by the arch code
instead of breaking the slowpath into 2 pieces.
You mean have the arch provide a queued_spin_lock_slowpath_pending
Excerpts from Waiman Long's message of July 24, 2020 12:29 am:
> On 7/23/20 9:30 AM, Nicholas Piggin wrote:
>>> I would prefer to extract out the pending bit handling code out into a
>>> separate helper function which can be overridden by the arch code
>>> instead of breaking the slowpath into 2
On 7/23/20 10:00 AM, Peter Zijlstra wrote:
On Thu, Jul 09, 2020 at 12:06:13PM -0400, Waiman Long wrote:
We don't really need to do a pv_spinlocks_init() if pv_kick() isn't
supported.
Waiman, if you cannot explain how not having kick is a sane thing, what
are you saying here?
The current PPC
On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:
> BTW, do you have any comment on my v2 lock holder cpu info qspinlock patch?
> I will have to update the patch to fix the reported 0-day test problem, but
> I want to collect other feedback before sending out v3.
I want to say I hate
On 7/23/20 2:47 PM, pet...@infradead.org wrote:
On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:
BTW, do you have any comment on my v2 lock holder cpu info qspinlock patch?
I will have to update the patch to fix the reported 0-day test problem, but
I want to collect other feedback
On 7/23/20 3:58 PM, pet...@infradead.org wrote:
On Thu, Jul 23, 2020 at 03:04:13PM -0400, Waiman Long wrote:
On 7/23/20 2:47 PM, pet...@infradead.org wrote:
On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:
BTW, do you have any comment on my v2 lock holder cpu info qspinlock patch?
Excerpts from Waiman Long's message of July 22, 2020 12:36 am:
> On 7/21/20 7:08 AM, Nicholas Piggin wrote:
>> diff --git a/arch/powerpc/include/asm/qspinlock.h
>> b/arch/powerpc/include/asm/qspinlock.h
>> index b752d34517b3..26d8766a1106 100644
>> --- a/arch/powerpc/include/asm/qspinlock.h
>>
On Thu, Jul 23, 2020 at 03:04:13PM -0400, Waiman Long wrote:
> On 7/23/20 2:47 PM, pet...@infradead.org wrote:
> > On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:
> > > BTW, do you have any comment on my v2 lock holder cpu info qspinlock
> > > patch?
> > > I will have to update the
On Thu, Jul 23, 2020 at 09:58:55PM +0200, pet...@infradead.org wrote:
> asm ("addb %[val], %b[var];"
>"cmovc %[sat], %[var];"
>: [var] "+r" (tmp)
>: [val] "ir" (val), [sat] "r" (sat)
>);
"var" (operand 0) needs an earlyclobber ("sat"
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