linux-kernel - Re: [patch V2 07/15] powerpc/ps3: Convert half completion to rcuwait

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Date:   Fri, 20 Mar 2020 11:45:16 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Christoph Hellwig <hch@...radead.org>
Cc:     linux-usb@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
        linux-pci@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Will Deacon <will@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Logan Gunthorpe <logang@...tatee.com>,
        Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Kurt Schwemmer <kurt.schwemmer@...rosemi.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        linux-wireless@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org,
        "David S. Miller" <davem@...emloft.net>,
        Geoff Levand <geoff@...radead.org>
Subject: Re: [patch V2 07/15] powerpc/ps3: Convert half completion to rcuwait

Sebastian Andrzej Siewior <bigeasy@...utronix.de> writes:
> On 2020-03-19 03:04:59 [-0700], Christoph Hellwig wrote:
>> But I wonder how alive the whole PS3 support is to start with..
>
> OtherOS can only be used on "old" PS3 which do not have have their
> firmware upgraded past version 3.21, released April 1, 2010 [0].
> It was not possible to install OtherOS on PS3-slim and I don't remember
> if it was a successor or a budget version (but it had lower power
> consumption as per my memory).
> *I* remember from back then that a few universities bought quite a few
> of them and used them as a computation cluster. However, whatever broke
> over the last 10 years is broken.
>
> [0] https://en.wikipedia.org/wiki/OtherOS

Last time I asked on the list there were still a handful of users.

And I had a patch submitted from a user as recently as last October, so
it still has some life.

cheers