diff mbox series

[08/10] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig

Message ID 20200714121856.955680-9-hch@lst.de
State New
Headers show
Series [01/10] sh: remove -Werror from Makefiles | expand

Commit Message

Christoph Hellwig July 14, 2020, 12:18 p.m. UTC
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(-)

Comments

Rich Felker July 21, 2020, 3:17 a.m. UTC | #1
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.

Rich
Christoph Hellwig July 21, 2020, 5:11 a.m. UTC | #2
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 :)
Rich Felker July 22, 2020, 12:43 a.m. UTC | #3
On Tue, Jul 21, 2020 at 07:11:34AM +0200, Christoph Hellwig wrote:
> 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 :)

Very well! It's now in my for-next branch along with the rest of the
series and a lot of other stuff.

Rich
diff mbox series

Patch

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