[OpenWrt-Devel] [PATCH 1/7] tegra: add new target
Tomasz Maciej Nowak
tomek_n at o2.pl
Wed Mar 27 16:47:57 EDT 2019
W dniu 27.03.2019 o 21:31, Christian Lamparter pisze:
> On Wednesday, March 27, 2019 3:07:58 PM CET Tomasz Maciej Nowak wrote:
>> Hi Hauke,
>> W dniu 25.03.2019 o 23:39, Hauke Mehrtens pisze:
>>> Hi Tomasz,
>>> Soke small comments, this looks mostly ok.
>>>> +# CONFIG_ARM_LPAE is not set
>>> Is LPAE not supported by your SoC? This is needed for KVM support, but
>>> not all CPUs support this.
>> Not really sure, seems it should be enabled for all ARM v7, it was disabled
>> in tegra_defconfig. Enabling this shouldn't do any harm, will test this.
> Hm, quick FYI: KVM on ARM needs all CPUs to be in Hypervisor Mode.
> You can check this by looking in your dmesg:
> if it says:
> [ 0.005874] CPU: All CPU(s) started in HYP mode.
> Then yes: LPAE would be great.
> But if it says:
> [ 0.005306] CPU: All CPU(s) started in SVC mode.
> then you probably don't need LPAE since KVM is not an option.
Thanks, my case would be that^^. Tested my board with LPAE enabled and kernel and image didn't boot.
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