[PATCH] dmaengine: idxd: depends on !UML

[PATCH] dmaengine: idxd: depends on !UML

[Johannes Berg]

From: Johannes Berg <johannes.berg@intel.com>

Now that UML has PCI support, this driver must depend also on
!UML since it pokes at X86_64 architecture internals that don't
exist on ARCH=um.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 drivers/dma/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6ab9d9a488a6..1f3c0e2ea4d9 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -278,7 +278,7 @@ config INTEL_IDMA64
 
 config INTEL_IDXD
 	tristate "Intel Data Accelerators support"
-	depends on PCI && X86_64
+	depends on PCI && X86_64 && !UML
 	depends on PCI_MSI
 	depends on SBITMAP
 	select DMA_ENGINE
-- 
2.31.1

Re: [PATCH] dmaengine: idxd: depends on !UML

[Anton Ivanov]

On 25/06/2021 09:38, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> Now that UML has PCI support, this driver must depend also on
> !UML since it pokes at X86_64 architecture internals that don't
> exist on ARCH=um.
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> ---
>   drivers/dma/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 6ab9d9a488a6..1f3c0e2ea4d9 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -278,7 +278,7 @@ config INTEL_IDMA64
>   
>   config INTEL_IDXD
>   	tristate "Intel Data Accelerators support"
> -	depends on PCI && X86_64
> +	depends on PCI && X86_64 && !UML
>   	depends on PCI_MSI
>   	depends on SBITMAP
>   	select DMA_ENGINE
> 

Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>

-- 
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/

Re: [PATCH] dmaengine: idxd: depends on !UML

[Dave Jiang]

On 6/25/2021 1:38 AM, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
>
> Now that UML has PCI support, this driver must depend also on
> !UML since it pokes at X86_64 architecture internals that don't
> exist on ARCH=um.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Acked-by: Dave Jiang <dave.jiang@intel.com>


> ---
>   drivers/dma/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 6ab9d9a488a6..1f3c0e2ea4d9 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -278,7 +278,7 @@ config INTEL_IDMA64
>   
>   config INTEL_IDXD
>   	tristate "Intel Data Accelerators support"
> -	depends on PCI && X86_64
> +	depends on PCI && X86_64 && !UML
>   	depends on PCI_MSI
>   	depends on SBITMAP
>   	select DMA_ENGINE

Re: [PATCH] dmaengine: idxd: depends on !UML

[Vinod Koul]

On 25-06-21, 10:38, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> Now that UML has PCI support, this driver must depend also on
> !UML since it pokes at X86_64 architecture internals that don't
> exist on ARCH=um.

Applied, thanks

-- 
~Vinod

Re: [PATCH] dmaengine: idxd: depends on !UML

[Johannes Berg]

On Wed, 2021-07-14 at 12:30 +0530, Vinod Koul wrote:
> On 25-06-21, 10:38, Johannes Berg wrote:
> > From: Johannes Berg <johannes.berg@intel.com>
> > 
> > Now that UML has PCI support, this driver must depend also on
> > !UML since it pokes at X86_64 architecture internals that don't
> > exist on ARCH=um.
> 
> Applied, thanks

Thanks.

Any reason this hasn't landed in Linus's tree yet? I keep getting build
failure reports from there.

johannes