On 7/25/20 1:26 PM, Peter Zijlstra wrote:
On Fri, Jul 24, 2020 at 03:10:59PM -0400, Waiman Long wrote:
On 7/24/20 4:16 AM, Will Deacon wrote:
On Thu, Jul 23, 2020 at 08:47:59PM +0200, pet...@infradead.org wrote:
On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:
BTW, do you have
On Fri, Jul 24, 2020 at 03:10:59PM -0400, Waiman Long wrote:
> On 7/24/20 4:16 AM, Will Deacon wrote:
> > On Thu, Jul 23, 2020 at 08:47:59PM +0200, 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
On 7/24/20 3:10 PM, Waiman Long wrote:
On 7/24/20 4:16 AM, Will Deacon wrote:
On Thu, Jul 23, 2020 at 08:47:59PM +0200, 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
On 7/24/20 4:16 AM, Will Deacon wrote:
On Thu, Jul 23, 2020 at 08:47:59PM +0200, 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
On Thu, Jul 23, 2020 at 08:47:59PM +0200, 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
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?
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"
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 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 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 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
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 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?
___
On 7/9/20 6:53 AM, Michael Ellerman wrote:
Nicholas Piggin writes:
Signed-off-by: Nicholas Piggin
---
arch/powerpc/include/asm/paravirt.h | 28
arch/powerpc/include/asm/qspinlock.h | 66 +++
arch/powerpc/include/asm/qspinlock_paravirt.h | 7 ++
On Thu, Jul 09, 2020 at 08:53:16PM +1000, Michael Ellerman wrote:
> Nicholas Piggin writes:
>
> > Signed-off-by: Nicholas Piggin
> > ---
> > arch/powerpc/include/asm/paravirt.h | 28
> > arch/powerpc/include/asm/qspinlock.h | 66 +++
> >
Nicholas Piggin writes:
> Signed-off-by: Nicholas Piggin
> ---
> arch/powerpc/include/asm/paravirt.h | 28
> arch/powerpc/include/asm/qspinlock.h | 66 +++
> arch/powerpc/include/asm/qspinlock_paravirt.h | 7 ++
>
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