Re: linux-next: Tree for Jun 2 (arch/powerpc/kernel/iommu.c)

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Le 15/06/2023 à 18:34, Randy Dunlap a écrit :
> 
> 
> On 6/15/23 09:13, Randy Dunlap wrote:
>>
>>
>> On 6/15/23 09:05, Timothy Pearson wrote:
>>>
>>>
>>> ----- Original Message -----
>>>> From: "Randy Dunlap" <rdunlap@xxxxxxxxxxxxx>
>>>> To: "Timothy Pearson" <tpearson@xxxxxxxxxxxxxxxxxxxxx>, "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>
>>>> Cc: "Stephen Rothwell" <sfr@xxxxxxxxxxxxxxxx>, "Linux Next Mailing List" <linux-next@xxxxxxxxxxxxxxx>, "linux-kernel"
>>>> <linux-kernel@xxxxxxxxxxxxxxx>, "linuxppc-dev" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "Alexey Kardashevskiy" <aik@xxxxxxxxx>
>>>> Sent: Thursday, June 15, 2023 11:00:08 AM
>>>> Subject: Re: linux-next: Tree for Jun 2 (arch/powerpc/kernel/iommu.c)
>>>
>>>> Hi Timothy,
>>>>
>>>> On 6/3/23 20:57, Timothy Pearson wrote:
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>>> From: "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>
>>>>>> To: "Randy Dunlap" <rdunlap@xxxxxxxxxxxxx>, "Stephen Rothwell"
>>>>>> <sfr@xxxxxxxxxxxxxxxx>, "Linux Next Mailing List"
>>>>>> <linux-next@xxxxxxxxxxxxxxx>
>>>>>> Cc: "linux-kernel" <linux-kernel@xxxxxxxxxxxxxxx>, "linuxppc-dev"
>>>>>> <linuxppc-dev@xxxxxxxxxxxxxxxx>, "Alexey
>>>>>> Kardashevskiy" <aik@xxxxxxxxx>, "Timothy Pearson"
>>>>>> <tpearson@xxxxxxxxxxxxxxxxxxxxx>
>>>>>> Sent: Saturday, June 3, 2023 7:22:51 PM
>>>>>> Subject: Re: linux-next: Tree for Jun 2 (arch/powerpc/kernel/iommu.c)
>>>>>
>>>>>> Randy Dunlap <rdunlap@xxxxxxxxxxxxx> writes:
>>>>>>> On 6/1/23 21:01, Stephen Rothwell wrote:
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> Changes since 20230601:
>>>>>>>>
>>>>>>>
>>>>>>> On powerpc64, a randconfig failed with:
>>>>>>>
>>>>>>> In file included from ../include/linux/list.h:5,
>>>>>>>                   from ../include/linux/preempt.h:11,
>>>>>>>                   from ../include/linux/spinlock.h:56,
>>>>>>>                   from ../include/linux/mmzone.h:8,
>>>>>>>                   from ../include/linux/gfp.h:7,
>>>>>>>                   from ../include/linux/slab.h:15,
>>>>>>>                   from ../arch/powerpc/kernel/iommu.c:15:
>>>>>>> ../arch/powerpc/kernel/iommu.c: In function
>>>>>>> 'spapr_tce_setup_phb_iommus_initcall':
>>>>>>> ../arch/powerpc/kernel/iommu.c:1391:36: error: 'hose_list' undeclared (first use
>>>>>>> in this function); did you mean 'zonelist'?
>>>>>>>   1391 |         list_for_each_entry(hose, &hose_list, list_node) {
>>>>>>>        |                                    ^~~~~~~~~
>>>>>> ...
>>>>>>
>>>>>> hose_list is in pci-common.c which is built when PCI=y.
>>>>>>
>>>>>> PSERIES and POWERNV force PCI=y.
>>>>>>
>>>>>> But this config has neither:
>>>>>>
>>>>>> # CONFIG_PPC_POWERNV is not set
>>>>>> # CONFIG_PPC_PSERIES is not set
>>>>>> CONFIG_HAVE_PCI=y
>>>>>> # CONFIG_PCI is not set
>>>>>> # CONFIG_COMMON_CLK_RS9_PCIE is not set
>>>>>>
>>>>>>
>>>>>> Probably the spapr_tce code should be wrapped in an #ifdef that is only
>>>>>> enabled when POWERNV || PSERIES is enabled.
>>>>>>
>>>>>> cheers
>>>>>
>>>>> Sounds reasonable, I was going to look into this further over the weekend.  I
>>>>> can put together a patch for Monday if that works?
>>>>
>>>> Did you prepare a patch for this? I am still seeing this build error.
>>>>
>>>> thanks.
>>>> --
>>>> ~Randy
>>>
>>> Yes, it was sent in to the linuxppc-dev list some weeks ago.  Did it not arrive?
>>
>> I don't know - I'm not subscribed to that list.
>>
>> It's probably still in the patchworks review cycle
>> so it hasn't been applied anywhere that gets into linux-next.
> 
> OK, it's here, mark with Success:
> http://patchwork.ozlabs.org/project/linuxppc-dev/patch/2015925968.3546872.1685990936823.JavaMail.zimbra@xxxxxxxxxxxxxxxxxxxxxxxx/
> 
> I don't know what happens to it next or when.

Is that supposed to fix anything ? I doesn't have any Fixes: tag

Christophe




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