Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-19 Thread Stephen Rothwell
Hi Bjorn,

On Wed, 19 Aug 2015 23:16:06 -0700 Bjorn Helgaas  wrote:
>
> [+cc Yann, linux-kbuild]
> 
> On Wed, Aug 12, 2015 at 3:58 PM, Tadeusz Struk  
> wrote:
> > On 08/12/2015 02:53 PM, Stephen Rothwell wrote:
> >> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  
> >> wrote:
> >>> >
> >>> > on i386 or x86_64:
> >>> >
> >>> > Many (repeated) errors like this one:
> >>> >
> >>> > ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no 
> >>> > member named ‘physfn’
> >>> >
> >>> > when CONFIG_PCI_ATS is not enabled.
> >> Maybe caused by commit
> >>
> >>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
> >>
> >> from the crypto tree Which adds a
> >>
> >>   select PCI_IOV
> >>
> >> to drivers/crypto/qat/Kconfig without the necessary
> >>
> >>   select PCI
> >>
> >> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
> >> assuming that your config has PCI_IOV enabled?  What about PCI?
> >
> > There is a patch submitted, but not yet applied
> > https://patchwork.kernel.org/patch/6994171/
> > maybe it will help?
> 
> I don't understand this.  In drivers/pci/Kconfig, we have:
> 
>   config PCI_IOV
> depends on PCI
> 
> and in drivers/crypto/qat/Kconfig, dd0f368398ea adds:
> 
>   config CRYPTO_DEV_QAT_DH895xCCVF
> select PCI_IOV
> 
> And apparently it's possible to end up with a .config with
> CONFIG_PCI_IOV=y but CONFIG_PCI is not set?  That seems wrong, since
> we declared that PCI_IOV depends on PCI.  Does select ignore that
> dependency somehow?

Yeah, unfortunately that is how select works.  If a symbol you select
depends on anything, then you need to also select all the dependencies.

-- 
Cheers,
Stephen Rothwells...@canb.auug.org.au
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-19 Thread Bjorn Helgaas
[+cc Yann, linux-kbuild]

On Wed, Aug 12, 2015 at 3:58 PM, Tadeusz Struk  wrote:
> On 08/12/2015 02:53 PM, Stephen Rothwell wrote:
>> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  
>> wrote:
>>> >
>>> > on i386 or x86_64:
>>> >
>>> > Many (repeated) errors like this one:
>>> >
>>> > ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
>>> > named ‘physfn’
>>> >
>>> > when CONFIG_PCI_ATS is not enabled.
>> Maybe caused by commit
>>
>>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
>>
>> from the crypto tree Which adds a
>>
>>   select PCI_IOV
>>
>> to drivers/crypto/qat/Kconfig without the necessary
>>
>>   select PCI
>>
>> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
>> assuming that your config has PCI_IOV enabled?  What about PCI?
>
> There is a patch submitted, but not yet applied
> https://patchwork.kernel.org/patch/6994171/
> maybe it will help?

I don't understand this.  In drivers/pci/Kconfig, we have:

  config PCI_IOV
depends on PCI

and in drivers/crypto/qat/Kconfig, dd0f368398ea adds:

  config CRYPTO_DEV_QAT_DH895xCCVF
select PCI_IOV

And apparently it's possible to end up with a .config with
CONFIG_PCI_IOV=y but CONFIG_PCI is not set?  That seems wrong, since
we declared that PCI_IOV depends on PCI.  Does select ignore that
dependency somehow?

Bjorn
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Stephen Rothwell
Hi Randy,

On Wed, 12 Aug 2015 17:16:39 -0700 Randy Dunlap  wrote:
>
> On 08/12/15 15:58, Tadeusz Struk wrote:
> > Hi,
> > On 08/12/2015 02:53 PM, Stephen Rothwell wrote:
> >> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  
> >> wrote:
> 
>  on i386 or x86_64:
> 
>  Many (repeated) errors like this one:
> 
>  ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
>  named ‘physfn’
> 
>  when CONFIG_PCI_ATS is not enabled.
> >> Maybe caused by commit
> >>
> >>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
> >>
> >> from the crypto tree Which adds a
> >>
> >>   select PCI_IOV
> >>
> >> to drivers/crypto/qat/Kconfig without the necessary
> >>
> >>   select PCI
> >>
> >> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
> >> assuming that your config has PCI_IOV enabled?  What about PCI?
> > 
> > There is a patch submitted, but not yet applied
> > https://patchwork.kernel.org/patch/6994171/
> > maybe it will help?
> 
> Yes, that works for me.  Thanks.

Thanks for doing that.

-- 
Cheers,
Stephen Rothwells...@canb.auug.org.au
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Randy Dunlap
On 08/12/15 15:58, Tadeusz Struk wrote:
> Hi,
> On 08/12/2015 02:53 PM, Stephen Rothwell wrote:
>> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  
>> wrote:

 on i386 or x86_64:

 Many (repeated) errors like this one:

 ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
 named ‘physfn’

 when CONFIG_PCI_ATS is not enabled.
>> Maybe caused by commit
>>
>>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
>>
>> from the crypto tree Which adds a
>>
>>   select PCI_IOV
>>
>> to drivers/crypto/qat/Kconfig without the necessary
>>
>>   select PCI
>>
>> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
>> assuming that your config has PCI_IOV enabled?  What about PCI?
> 
> There is a patch submitted, but not yet applied
> https://patchwork.kernel.org/patch/6994171/
> maybe it will help?

Yes, that works for me.  Thanks.


-- 
~Randy
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Randy Dunlap
On 08/12/15 14:53, Stephen Rothwell wrote:
> Hi Randy,
> 
> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  wrote:
>>
>> on i386 or x86_64:
>>
>> Many (repeated) errors like this one:
>>
>> ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
>> named ‘physfn’
>>
>> when CONFIG_PCI_ATS is not enabled.
> 
> Maybe caused by commit
> 
>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
> 
> from the crypto tree Which adds a
> 
>   select PCI_IOV
> 
> to drivers/crypto/qat/Kconfig without the necessary
> 
>   select PCI
> 
> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
> assuming that your config has PCI_IOV enabled?  What about PCI?
> 

CONFIG_PCI is not enabled in my failing configs.
Testing the patch now.


-- 
~Randy
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Tadeusz Struk
Hi,
On 08/12/2015 02:53 PM, Stephen Rothwell wrote:
> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  wrote:
>> >
>> > on i386 or x86_64:
>> > 
>> > Many (repeated) errors like this one:
>> > 
>> > ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
>> > named ‘physfn’
>> > 
>> > when CONFIG_PCI_ATS is not enabled.
> Maybe caused by commit
> 
>   dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
> 
> from the crypto tree Which adds a
> 
>   select PCI_IOV
> 
> to drivers/crypto/qat/Kconfig without the necessary
> 
>   select PCI
> 
> but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
> assuming that your config has PCI_IOV enabled?  What about PCI?

There is a patch submitted, but not yet applied
https://patchwork.kernel.org/patch/6994171/
maybe it will help?
--
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Stephen Rothwell
Hi Randy,

On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap  wrote:
>
> on i386 or x86_64:
> 
> Many (repeated) errors like this one:
> 
> ../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member 
> named ‘physfn’
> 
> when CONFIG_PCI_ATS is not enabled.

Maybe caused by commit

  dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")

from the crypto tree Which adds a

  select PCI_IOV

to drivers/crypto/qat/Kconfig without the necessary

  select PCI

but PCI_IOV selects PCI_ATS, so I am not sure what happened here.  I am
assuming that your config has PCI_IOV enabled?  What about PCI?

-- 
Cheers,
Stephen Rothwells...@canb.auug.org.au
--
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Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-12 Thread Randy Dunlap
On 08/12/15 06:39, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20150810:
> 

on i386 or x86_64:

Many (repeated) errors like this one:

../include/linux/pci.h:390:12: error: ‘struct pci_dev’ has no member named 
‘physfn’

when CONFIG_PCI_ATS is not enabled.


-- 
~Randy
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