On Mon, 2009-05-25 at 10:33 +0900, Hideo Saito wrote:
>
> This report came from LKML, although I should post it here first,
> the report said that there is a regression in linux-2.6.29 as to
> flushing a TLB entry that was going to be re-used when a context
> overflowed from the TLB.
>
> On Fri,
On Fri, 2009-05-22 at 19:27 +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2009-05-20 at 19:12 +0900, Saito Hideo wrote:
>
> > I think that the tlb should be cleared before mm->context.id is set
> > MMU_NO_CONTEXT.
>
> You are right, this definitely looks like a bug on platforms that have
> HW su
On Wed, 2009-05-20 at 19:12 +0900, Saito Hideo wrote:
> I think that the tlb should be cleared before mm->context.id is set
> MMU_NO_CONTEXT.
You are right, this definitely looks like a bug on platforms that have
HW support for the tlbil instruction (and thus care about the PID for
flushing) whic
