On Fri, 2016-09-09 at 10:38 +0530, Nikunj A Dadhania wrote:
> One more question, when in gen_check_tlb_flush, don't I need to see
> if other CPU has global flag set ?
No, you leave it completely alone.
You can clear it's local flag as part of the flush (in the MT-TCG case
that can be done by the
Benjamin Herrenschmidt writes:
> On Fri, 2016-09-09 at 10:15 +0530, Nikunj A Dadhania wrote:
>> > Benjamin Herrenschmidt writes:
>>
>> >
>> > On Fri, 2016-09-09 at 09:53 +0530, Nikunj A Dadhania wrote:
>> > >
>> > > tlbie (and H_REMOVE for pseries) should have a global effect. This is
>> > >
On Fri, 2016-09-09 at 15:00 +1000, Benjamin Herrenschmidt wrote:
>
> No it doesn't.
>
> When a "broadcast TLB" op happens, such as tlbie, you set both flags.
> The existing one which just means the current CPU needs flushing, that
> logic doesnt' change at all.
>
> The other one means that *this
On Fri, 2016-09-09 at 10:15 +0530, Nikunj A Dadhania wrote:
> > Benjamin Herrenschmidt writes:
>
> >
> > On Fri, 2016-09-09 at 09:53 +0530, Nikunj A Dadhania wrote:
> > >
> > > tlbie (and H_REMOVE for pseries) should have a global effect. This is
> > > achieved by iterating and setting tlb_need
Benjamin Herrenschmidt writes:
> On Fri, 2016-09-09 at 09:53 +0530, Nikunj A Dadhania wrote:
>> tlbie (and H_REMOVE for pseries) should have a global effect. This is
>> achieved by iterating and setting tlb_need_flush in all the CPUs.
>>
>> Suggested-by: Benjamin Herrenschmidt
>> Signed-off-by:
On Fri, 2016-09-09 at 09:53 +0530, Nikunj A Dadhania wrote:
> tlbie (and H_REMOVE for pseries) should have a global effect. This is
> achieved by iterating and setting tlb_need_flush in all the CPUs.
>
> Suggested-by: Benjamin Herrenschmidt
> Signed-off-by: Nikunj A Dadhania
>
> --
>
> Note: H
