On 11/02/2015 09:42, Frederic Konrad wrote:
On 11/02/2015 04:33, Alex Bennée wrote:
Frederic Konrad writes:
Hi everybody,
In multithread tlb_flush is broken as CPUA can flush an other CPUB and
CPUB can be
executing code, and fixing this can be quite hard:
* We need to exit the CPU which
On 11/02/2015 04:33, Alex Bennée wrote:
Frederic Konrad writes:
Hi everybody,
In multithread tlb_flush is broken as CPUA can flush an other CPUB and
CPUB can be
executing code, and fixing this can be quite hard:
* We need to exit the CPU which is flushed.
* Makes sure the CPU is stopp
> On 11 Feb 2015, at 04:33, Alex Bennée wrote:
>
>
> Frederic Konrad writes:
>
>> Hi everybody,
>>
>> In multithread tlb_flush is broken as CPUA can flush an other CPUB and
>> CPUB can be
>> executing code, and fixing this can be quite hard:
>> * We need to exit the CPU which is flushed.
Frederic Konrad writes:
> Hi everybody,
>
> In multithread tlb_flush is broken as CPUA can flush an other CPUB and
> CPUB can be
> executing code, and fixing this can be quite hard:
>* We need to exit the CPU which is flushed.
>* Makes sure the CPU is stopped.
>* Then we can flush t
Hi everybody,
In multithread tlb_flush is broken as CPUA can flush an other CPUB and
CPUB can be
executing code, and fixing this can be quite hard:
* We need to exit the CPU which is flushed.
* Makes sure the CPU is stopped.
* Then we can flush tlb.
The big issues are:
* Two threads can
