Re: [PATCH 6/6] arm: Allow to enable PCI_DOMAINS manually
From: Jan Kiszka
Date: Thu Apr 26 2018 - 03:20:11 EST
On 2018-04-25 19:54, Lorenzo Pieralisi wrote:
> On Tue, Apr 24, 2018 at 05:13:42PM +0200, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>> Required when running over Jailhouse, and there is already a physical
>> host controller that Jailhouse does not intercept and rather adds a
>> virtual one. That is the case for the Tegra TK1, e.g.
>> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>> arch/arm/Kconfig | 7 ++++++-
>> 1 file changed, 6 insertions(+), 1 deletion(-)
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index a7f8e7f4b88f..5f8190cb057d 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -1248,8 +1248,13 @@ config PCI
>> VESA. If you have PCI, say Y, otherwise N.
>> config PCI_DOMAINS
>> - bool
>> + bool "Support for multiple PCI domains"
>> depends on PCI
>> + help
>> + Automatically enabled if the platform supports multiple PCI host
>> + controllers. Say Y if running over a hypervisor like Jailhouse that
>> + dynamically adds further host controllers while the system is
>> + running. Say N otherwise.
> Alternatively, you could select it under PCI_HOST_GENERIC if that's all
> you need in Jailhouse. Actually that's a change that makes sense anyway
> I think.
If that's preferred - will switch!
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