Re: [PATCH] drivers: Select dependencies for the VIRTUALIZATION symbol

From: Markos Chandras
Date: Sun Jun 09 2013 - 15:50:06 EST


On 9 June 2013 00:40, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> On 06/07/13 04:23, Markos Chandras wrote:
>> The VIRTUALIZATION symbol depends on HAVE_KVM but CONFIG_REMOTEPROC
>> and CONFIG_RPMSG do not select HAVE_KVM leading to the following
>> warning and build problems later on:
>>
>> warning: (REMOTEPROC && RPMSG) selects VIRTUALIZATION which has unmet
>> direct dependencies (HAVE_KVM)
>> warning: (REMOTEPROC && RPMSG) selects VIRTUALIZATION which has unmet
>> direct dependencies (HAVE_KVM)
>>
>> Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
>> Cc: Ohad Ben-Cohen <ohad@xxxxxxxxxx>
>
> This seems odd. Usually architectures declare that they HAVE_xyz
> and then drivers etc. can use that symbol to do (or not do) something.
>
> See Documentation/kbuild/kconfig-language.txt and search for /HAVE_/.
>
>> ---
>> drivers/remoteproc/Kconfig | 1 +
>> drivers/rpmsg/Kconfig | 1 +
>> 2 files changed, 2 insertions(+)
>>
>> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
>> index d4d377c..79648ca 100644
>> --- a/drivers/remoteproc/Kconfig
>> +++ b/drivers/remoteproc/Kconfig
>> @@ -6,6 +6,7 @@ config REMOTEPROC
>> depends on HAS_DMA
>> select CRC32
>> select FW_LOADER
>> + select HAVE_KVM
>> select VIRTIO
>> select VIRTUALIZATION
>>
>> diff --git a/drivers/rpmsg/Kconfig b/drivers/rpmsg/Kconfig
>> index 69a2193..3f0bd0f 100644
>> --- a/drivers/rpmsg/Kconfig
>> +++ b/drivers/rpmsg/Kconfig
>> @@ -3,6 +3,7 @@ menu "Rpmsg drivers"
>> # RPMSG always gets selected by whoever wants it
>> config RPMSG
>> tristate
>> + select HAVE_KVM
>> select VIRTIO
>> select VIRTUALIZATION
>>
>>
>
>
> --
> ~Randy
> --

Hi Randy,

Thanks for the review. Ok makes sense now. I will prepare a new patch.

--
Regards,
Markos Chandras
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