On 03/02/2015 08:23 AM, Catalin Marinas wrote:
> On Fri, Feb 27, 2015 at 01:15:57PM -0800, Mario Smarduch wrote:
>> On 02/27/2015 02:24 AM, Will Deacon wrote:
>>> On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
On Fri, Feb 27, 2015 at 01:15:57PM -0800, Mario Smarduch wrote:
> On 02/27/2015 02:24 AM, Will Deacon wrote:
> > On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
> >> I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
> >> val, vaal ones. Reading the manual D.5.7.2 it
On 02/27/2015 02:24 AM, Will Deacon wrote:
> On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
>> I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
>> val, vaal ones. Reading the manual D.5.7.2 it appears that
>> va*, vaa* versions invalidate intermediate caching of
>
On 27/02/15 10:33, Will Deacon wrote:
> On Fri, Feb 27, 2015 at 10:29:06AM +, Marc Zyngier wrote:
>> On 27/02/15 10:24, Will Deacon wrote:
>>> On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
val, vaal o
On Fri, Feb 27, 2015 at 10:29:06AM +, Marc Zyngier wrote:
> On 27/02/15 10:24, Will Deacon wrote:
> > On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
> >> I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
> >> val, vaal ones. Reading the manual D.5.7.2 it appear
On 27/02/15 10:24, Will Deacon wrote:
> On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
>> I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
>> val, vaal ones. Reading the manual D.5.7.2 it appears that
>> va*, vaa* versions invalidate intermediate caching of
>> tra
On Fri, Feb 27, 2015 at 12:12:32AM +, Mario Smarduch wrote:
> I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
> val, vaal ones. Reading the manual D.5.7.2 it appears that
> va*, vaa* versions invalidate intermediate caching of
> translation structures.
>
> With stage2 enable
I noticed kernel tlbflush.h use tlbi va*, vaa* variants instead of
val, vaal ones. Reading the manual D.5.7.2 it appears that
va*, vaa* versions invalidate intermediate caching of
translation structures.
With stage2 enabled that may result in 20+ memory lookups
for a 4 level page table walk. That'
