From: Christoph Hellwig <hch@lst.de>
To: Rich Felker <dalias@libc.org>
Cc: Christoph Hellwig <hch@lst.de>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 08/10] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig
Date: Tue, 21 Jul 2020 05:11:34 +0000 [thread overview]
Message-ID: <20200721051134.GA9881@lst.de> (raw)
In-Reply-To: <20200721031725.GO14669@brightrain.aerifal.cx>
On Mon, Jul 20, 2020 at 11:17:26PM -0400, Rich Felker wrote:
> On Tue, Jul 14, 2020 at 02:18:54PM +0200, Christoph Hellwig wrote:
> > Have a single definition that architetures can select.
> >
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > ---
> > arch/m68k/Kconfig | 4 +---
> > arch/m68k/Kconfig.machine | 1 +
> > arch/um/Kconfig | 4 +---
> > kernel/dma/Kconfig | 3 +++
> > 4 files changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
> > index 6ad6cdac74b3dc..8e488369a7e55a 100644
> > --- a/arch/m68k/Kconfig
> > +++ b/arch/m68k/Kconfig
> > @@ -17,6 +17,7 @@ config M68K
> > select HAVE_COPY_THREAD_TLS
> > select GENERIC_IRQ_SHOW
> > select GENERIC_ATOMIC64
> > + select NO_DMA if !MMU && !COLDFIRE
> > select HAVE_UID16
> > select VIRT_TO_BUS
> > select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
> > @@ -60,9 +61,6 @@ config TIME_LOW_RES
> > config NO_IOPORT_MAP
> > def_bool y
> >
> > -config NO_DMA
> > - def_bool (MMU && SUN3) || (!MMU && !COLDFIRE)
> > -
> > config ZONE_DMA
> > bool
> > default y
> > diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
> > index a82651d58af483..17e8c3a292d770 100644
> > --- a/arch/m68k/Kconfig.machine
> > +++ b/arch/m68k/Kconfig.machine
> > @@ -126,6 +126,7 @@ config SUN3
> > depends on MMU
> > depends on !MMU_MOTOROLA
> > select MMU_SUN3 if MMU
> > + select NO_DMA
> > select M68020
> > help
> > This option enables support for the Sun 3 series of workstations
> > diff --git a/arch/um/Kconfig b/arch/um/Kconfig
> > index 9318dc6d1a0cee..32c1d1945033ec 100644
> > --- a/arch/um/Kconfig
> > +++ b/arch/um/Kconfig
> > @@ -15,6 +15,7 @@ config UML
> > select HAVE_DEBUG_KMEMLEAK
> > select HAVE_DEBUG_BUGVERBOSE
> > select HAVE_COPY_THREAD_TLS
> > + select NO_DMA
> > select GENERIC_IRQ_SHOW
> > select GENERIC_CPU_DEVICES
> > select GENERIC_CLOCKEVENTS
> > @@ -168,9 +169,6 @@ config MMAPPER
> > This driver allows a host file to be used as emulated IO memory inside
> > UML.
> >
> > -config NO_DMA
> > - def_bool y
> > -
> > config PGTABLE_LEVELS
> > int
> > default 3 if 3_LEVEL_PGTABLES
> > diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig
> > index 1da3f44f2565b4..57533d07676f4a 100644
> > --- a/kernel/dma/Kconfig
> > +++ b/kernel/dma/Kconfig
> > @@ -1,5 +1,8 @@
> > # SPDX-License-Identifier: GPL-2.0-only
> >
> > +config NO_DMA
> > + bool
> > +
> > config HAS_DMA
> > bool
> > depends on !NO_DMA
> > --
> > 2.26.2
>
> This patch is outside the scope of what I can accept in arch/sh, and
> the subsequent patches in the series seem to depend on it. What would
> you like to do for its path upstream?
>
> I've now picked up everything else from this series that I can.
As the dma-mapping maintainer: please pick it. I'd give you an
ACK, but that looks kinda silly if I'm the author as well :)
next prev parent reply other threads:[~2020-07-21 5:11 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 16:26 ioremap and dma cleanups and fixes for superh Christoph Hellwig
2020-03-24 16:26 ` [PATCH 01/10] sh: remove -Werror from Makefiles Christoph Hellwig
2020-03-24 16:26 ` [PATCH 02/10] sh: sort the selects for SUPERH alphabetically Christoph Hellwig
2020-03-24 16:26 ` [PATCH 03/10] sh: remove __KERNEL__ ifdefs from non-UAPI headers Christoph Hellwig
2020-03-24 16:26 ` [PATCH 04/10] sh: move ioremap_fixed details out of <asm/io.h> Christoph Hellwig
2020-03-24 16:26 ` [PATCH 05/10] sh: move the ioremap implementation out of line Christoph Hellwig
2020-03-24 16:26 ` [PATCH 06/10] sh: don't include <asm/io_trapped.h> in <asm/io.h> Christoph Hellwig
2020-03-24 16:26 ` [PATCH 07/10] sh: unexport register_trapped_io and match_trapped_io_handler Christoph Hellwig
2020-03-24 16:26 ` [PATCH 08/10] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig Christoph Hellwig
2020-03-24 16:26 ` [PATCH 09/10] sh: don't allow non-coherent DMA for NOMMU Christoph Hellwig
2020-03-24 16:26 ` [PATCH 10/10] sh: use the generic dma coherent remap allocator Christoph Hellwig
2020-06-26 8:07 ` ioremap and dma cleanups and fixes for superh (resend) Christoph Hellwig
2020-06-26 8:07 ` [PATCH 01/10] sh: remove -Werror from Makefiles Christoph Hellwig
2020-06-26 8:07 ` [PATCH 02/10] sh: sort the selects for SUPERH alphabetically Christoph Hellwig
2020-06-26 8:07 ` [PATCH 03/10] sh: remove __KERNEL__ ifdefs from non-UAPI headers Christoph Hellwig
2020-06-26 8:07 ` [PATCH 04/10] sh: move ioremap_fixed details out of <asm/io.h> Christoph Hellwig
2020-06-26 8:07 ` [PATCH 05/10] sh: move the ioremap implementation out of line Christoph Hellwig
2020-06-26 8:07 ` [PATCH 06/10] sh: don't include <asm/io_trapped.h> in <asm/io.h> Christoph Hellwig
2020-06-26 8:07 ` [PATCH 07/10] sh: unexport register_trapped_io and match_trapped_io_handler Christoph Hellwig
2020-06-26 8:07 ` [PATCH 08/10] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig Christoph Hellwig
2020-06-26 8:07 ` [PATCH 09/10] sh: don't allow non-coherent DMA for NOMMU Christoph Hellwig
2020-06-28 0:53 ` Rob Landley
2020-06-28 7:24 ` Christoph Hellwig
2020-06-26 8:07 ` [PATCH 10/10] sh: use the generic dma coherent remap allocator Christoph Hellwig
2020-07-14 12:18 ` ioremap and dma cleanups and fixes for superh (2nd resend) Christoph Hellwig
2020-07-14 12:18 ` [PATCH 01/10] sh: remove -Werror from Makefiles Christoph Hellwig
2020-07-14 12:18 ` [PATCH 02/10] sh: sort the selects for SUPERH alphabetically Christoph Hellwig
2020-07-14 12:18 ` [PATCH 03/10] sh: remove __KERNEL__ ifdefs from non-UAPI headers Christoph Hellwig
2020-07-14 12:18 ` [PATCH 04/10] sh: move ioremap_fixed details out of <asm/io.h> Christoph Hellwig
2020-07-14 12:18 ` [PATCH 05/10] sh: move the ioremap implementation out of line Christoph Hellwig
2020-07-14 12:18 ` [PATCH 06/10] sh: don't include <asm/io_trapped.h> in <asm/io.h> Christoph Hellwig
2020-07-14 12:18 ` [PATCH 07/10] sh: unexport register_trapped_io and match_trapped_io_handler Christoph Hellwig
2020-07-14 12:18 ` [PATCH 08/10] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig Christoph Hellwig
2020-07-21 3:17 ` Rich Felker
2020-07-21 5:11 ` Christoph Hellwig [this message]
2020-07-22 0:43 ` Rich Felker
2020-07-14 12:18 ` [PATCH 09/10] sh: don't allow non-coherent DMA for NOMMU Christoph Hellwig
2020-08-28 2:00 ` Rich Felker
2020-08-28 2:11 ` Rich Felker
2020-08-28 4:24 ` Christoph Hellwig
2020-08-28 9:26 ` Ulf Hansson
2020-08-28 15:09 ` Rich Felker
2020-08-29 8:31 ` Christoph Hellwig
2020-08-31 11:28 ` Ulf Hansson
2020-07-14 12:18 ` [PATCH 10/10] sh: use the generic dma coherent remap allocator Christoph Hellwig
2020-07-14 12:31 ` ioremap and dma cleanups and fixes for superh (2nd resend) John Paul Adrian Glaubitz
2020-07-14 15:59 ` Rich Felker
2020-07-14 16:10 ` John Paul Adrian Glaubitz
2020-07-14 23:12 ` John Paul Adrian Glaubitz
2020-07-14 23:14 ` John Paul Adrian Glaubitz
2020-07-15 3:12 ` Rich Felker
2020-07-15 6:39 ` John Paul Adrian Glaubitz
2020-07-15 7:27 ` Geert Uytterhoeven
2020-07-15 7:37 ` John Paul Adrian Glaubitz
2020-07-15 8:06 ` Geert Uytterhoeven
2020-07-15 7:46 ` John Paul Adrian Glaubitz
2020-07-15 8:07 ` Geert Uytterhoeven
[not found] ` <b5f1853e-031d-c09d-57d2-fb4baffa01ea@physik.fu-berlin.de>
2020-07-15 8:11 ` Geert Uytterhoeven
2020-07-15 8:27 ` John Paul Adrian Glaubitz
2020-07-15 14:37 ` John Paul Adrian Glaubitz
2020-07-15 15:39 ` John Paul Adrian Glaubitz
2020-07-15 16:18 ` John Paul Adrian Glaubitz
2020-07-15 18:21 ` Geert Uytterhoeven
2020-07-15 18:27 ` John Paul Adrian Glaubitz
2020-07-16 9:40 ` Peter Zijlstra
2020-07-16 10:05 ` John Paul Adrian Glaubitz
2020-07-16 10:29 ` peterz
2020-07-16 10:54 ` John Paul Adrian Glaubitz
2020-07-16 11:01 ` peterz
2020-07-16 11:03 ` John Paul Adrian Glaubitz
2020-07-16 11:37 ` peterz
2020-07-16 12:04 ` peterz
2020-07-16 18:14 ` John Paul Adrian Glaubitz
2020-07-16 19:28 ` Peter Zijlstra
2020-07-16 19:33 ` John Paul Adrian Glaubitz
2020-07-16 11:30 ` John Paul Adrian Glaubitz
2020-07-16 11:31 ` John Paul Adrian Glaubitz
2020-07-20 13:38 ` Christoph Hellwig
2020-07-20 13:42 ` John Paul Adrian Glaubitz
2020-07-20 14:53 ` Rich Felker
2020-07-21 3:20 ` Rich Felker
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