Benjamin Herrenschmidt wrote on 03/10/2009 12:57:28:
>
> On Sat, 2009-10-03 at 11:24 +0200, Joakim Tjernlund wrote:
> >
> > So yes, there is a missing _tlbil_va() missing for 8xx somewhere
> > but there is something more too.
> > Maybe your new filter functions and my
> > powerpc, 8xx: DTLB Error
Hi Takashi,
On Thu, 01 Oct 2009 08:52:59 +0200, Takashi Iwai wrote:
> At Wed, 30 Sep 2009 18:55:05 +0200,
> Jean Delvare wrote:
> >
> > On Wed, 30 Sep 2009 17:15:49 +0200, Takashi Iwai wrote:
> > > Yes, indeed I prefer NULL check because the user can know the error
> > > at the right place. I sh
Benjamin Herrenschmidt writes:
> Maybe a better fix is to force alignment in the kernel by requesting
> size + 64k - 4k and aligning it.
Sure you are right.
Andreas.
>From b9441a3d2148d439e2730def3222a7b70dccc432 Mon Sep 17 00:00:00 2001
From: Andreas Schwab
Date: Sun, 4 Oct 2009 14:29:04 +02
Scott Wood wrote on 02/10/2009 23:49:49:
>
> On Thu, Oct 01, 2009 at 08:35:59AM +1000, Benjamin Herrenschmidt wrote:
> > >From what I can see, the TLB miss code will check _PAGE_PRESENT, and
> > when not set, it will -still- insert something into the TLB (unlike
> > all other CPU types that go str
On Sun, 2009-10-04 at 10:35 +0200, Joakim Tjernlund wrote:
> Benjamin Herrenschmidt wrote on 03/10/2009
> 12:57:28:
> >
> > On Sat, 2009-10-03 at 11:24 +0200, Joakim Tjernlund wrote:
> > >
> > > So yes, there is a missing _tlbil_va() missing for 8xx somewhere
> > > but there is something more too
> I have managed to update the TLB code to make proper use of dirty and
> accessed states.
> Advantages are:
> - I/D TLB Miss never needs to write to the linux pte, saving a few cycles
That's good, that leaves us with only 40x to fix now. Also we can remove
atomic updates of PTEs for all non-ha
Benjamin Herrenschmidt wrote on 04/10/2009 22:26:42:
> On Sun, 2009-10-04 at 10:35 +0200, Joakim Tjernlund wrote:
> > Benjamin Herrenschmidt wrote on 03/10/2009
> > 12:57:28:
> > >
> > > On Sat, 2009-10-03 at 11:24 +0200, Joakim Tjernlund wrote:
> > > >
> > > > So yes, there is a missing _tlbil_
Benjamin Herrenschmidt wrote on 04/10/2009 22:28:38:
>
> > I have managed to update the TLB code to make proper use of dirty and
> > accessed states.
> > Advantages are:
> > - I/D TLB Miss never needs to write to the linux pte, saving a few cycles
>
> That's good, that leaves us with only 40x to
At Sun, 4 Oct 2009 11:35:21 +0200,
Jean Delvare wrote:
>
> Hi Takashi,
>
> On Thu, 01 Oct 2009 08:52:59 +0200, Takashi Iwai wrote:
> > At Wed, 30 Sep 2009 18:55:05 +0200,
> > Jean Delvare wrote:
> > >
> > > On Wed, 30 Sep 2009 17:15:49 +0200, Takashi Iwai wrote:
> > > > Yes, indeed I prefer NULL
Hello,
Heiko Schocher wrote:
> making a powerpc target with PCI support, shows the
> following warning:
>
> MODPOST vmlinux.o
> WARNING: vmlinux.o(.text+0x10430): Section mismatch in reference from the
> function pcibios_allocate_bus_resources() to the function
> .init.text:reparent_resources
Benjamin Herrenschmidt wrote:
On Fri, 2009-09-25 at 18:01 +0900, Tejun Heo wrote:
With this patch applied the machine boots OK :-)
Ah... so, the problem really is too high address. If you've got some
time, it might be interesting to find out how far high is safe.
Might give me
>>> Hollis Blanchard 02.10.09 17:48 >>>
>On Wed, 2009-09-30 at 07:35 +0100, Jan Beulich wrote:
>> The one Rusty suggested the other day may help here. I don't like it
>> as a drop-in replacement for BUILD_BUG_ON() though (due to it
>> deferring the error generated to the linking stage), I'd rather
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