linux-kernel - Re: ioremap and dma cleanups and fixes for superh (2nd resend)

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Message-ID: <20200716094039.GQ10769@hirez.programming.kicks-ass.net>
Date:   Thu, 16 Jul 2020 11:40:39 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Rich Felker <dalias@...c.org>, Christoph Hellwig <hch@....de>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: ioremap and dma cleanups and fixes for superh (2nd resend)

On Wed, Jul 15, 2020 at 08:21:27PM +0200, Geert Uytterhoeven wrote:

> Oh, we actually discussed that:
> https://lore.kernel.org/linux-mm/20191204133454.GW2844@hirez.programming.kicks-ass.net/
> but there was no conclusion...

Urgh.. clearly that fell off the table :-(

So yes, that patch works, but as I wrote, I think it's still broken.
Then again, that particular breakage has been there for a long time.

Ooohh.. I have another whole patch-set that fixes that across
architectures which I forgot about too:

  https://lkml.kernel.org/r/20191211120713.360281197@infradead.org

that actually included the SH fix.

Then Aneesh got a bunch of those patches merged because he needed it for
Power, but the rest bitrotted again.

Let me rebase/refresh the rest of that and send it out again.