On Mon, 18 May 2020 at 18:15, Christophe Leroy
wrote:
>
> Yeah I discovered recently that the way swap is implemented on powerpc
> expects RW and other important bits not be one of the 3 least
> significant bits (see __pte_to_swp_entry() )
I see, you get the swap entry by shifting the PTE right
Hi again, Christophe,
On Mon, 18 May 2020 at 15:03, Christophe Leroy
wrote:
>
> Can you try reverting 697ece78f8f749aeea40f2711389901f0974017a ? It may
> have broken swap.
Yeah, that was a good call. :) Linux 5.7-rc1 with the revert on top
survives the beating. I'll be happy to test a
Hi, everyone,
I strongly suspect something went wrong between Linux 5.6 and 5.7-rc1.
This is an iBook G4 laptop with 1.5 GiB of RAM running the Debian
powerpc port. I haven't bisected yet, since it's going to take quite a
bit of time, so I'm sending this mostly as a heads-up (and to see if
[Resending since I messed up the subject, sorry]
Hi, everyone,
Something went wrong between Linux 5.6 and 5.7-rc1. This is an iBook
G4 laptop with 1.5 GiB of RAM running the Debian powerpc port. I
haven't bisected yet, since it's going to take quite a bit of time, so
I'm sending this mostly as a
Hi, Ben
> Presumably you have CONFIG_PPC_BOOK3S_64 enabled and CONFIG_SPARSEMEM
> disabled?
> Was this configuration actually usable?
I just noticed these build warnings too. FWIW, I've been using
CONFIG_FLATMEM on my Power Mac G5 for about three years, so I guess
the answer is "yes" (for this
On Mon, 10 Dec 2018 at 20:49, Benjamin Herrenschmidt
wrote:
>
[snip]
>
> AGP is a gigantic nightmare :-) It's not just cache coherency issues
> (some implementations are coherent, some aren't, Apple's is ... weird).
>
> Apple has all sort of bugs, and Darwin source code only sheds light on
>
On Mon, 10 Dec 2018 at 19:33, Christoph Hellwig wrote:
>
> On Mon, Dec 10, 2018 at 05:04:46PM +0000, Rui Salvaterra wrote:
> > Hi, Christoph and Ben,
> >
> > It just came to my mind (and this is most likely a stupid question,
> > but still)… Is there any possi
On Sat, 8 Dec 2018 at 17:17, Christoph Hellwig wrote:
>
> On Sun, Dec 02, 2018 at 05:11:02PM +1100, Benjamin Herrenschmidt wrote:
> > Talking of which ... Christoph, not sure if we can do something about
> > this at the DMA API level or keep hacks but some adapters such as the
> > nVidia GPUs
Hi, Christoph,
Your powerpc-dma.5 branch seems to be working fine on my G5, so
Tested-by: Rui Salvaterra
Thanks again!
Rui
he quick response! I applied it on top of your
powerpc-dma.4 branch and retested.
I'm not seeing nouveau complaining anymore (I'm not using X11 or any
DE, though).
In any case and FWIW, this series is
Tested-by: Rui Salvaterra
Thanks,
Rui
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