Messages in this thread | | | Subject | Re: [PATCH] x86/x86_64_defconfig: Enable the serial console | From | Enric Balletbo i Serra <> | Date | Sun, 11 Oct 2020 13:43:44 +0200 |
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Hi Borislav and Randy,
Thank you for your comments.
On 8/10/20 20:31, Randy Dunlap wrote: > On 10/8/20 9:40 AM, Borislav Petkov wrote: >> On Thu, Oct 08, 2020 at 06:22:06PM +0200, Enric Balletbo i Serra wrote: >>> As part of KernelCI, we added a bunch of different x86 based Chromebooks >>> to do test booting and runtime testing. It will be useful have serial >>> support for these platforms in the default defconfig, as this, is the >>> defconfig used by default for the different maintainer's tree. >>> >>> SERIAL_8250_DW is the actual support for the console, but to have >>> support we need to enable X86_AMD_PLATFORM_DEVICE for specific AMD >>> boards and MFD_INTEL for specific Intel boards. >>> >>> While here, also enable USB_RTL8152 config which enables a common >>> USB-Ethernet adapter used very commonly in the KernelCI labs. >> >> To me defconfig sounds like the config which contains items which are >> needed on the majority of x86 hardware out there. > > to run in normal (or common) user mode(s). > > Nothing to do with automated testing like syzbot or CI IMO. > >> Are those which you enable that common and if not, why can't your build >> supply a custom .config instead? > > I suppose that we are lacking a definition of a defconfig, but again, IMO, > these Kconfig symbols don't meet the need for normal users. > >
We're also probably lacking a definition of what normal users mean, because I don't think normal users build their own kernel. I think that at least X86_AMD_PLATFORM_DEVICE and MFD_INTEL_LPSS_PCI could be common enough to match within the category of needed to run in normal (or common) user mode(s). I can send a patch with only these two options.
But, yes, the main purpose after this patch is the serial console for CI. I saw that there are already some configs with a specific purpose (tiny.config and xen.config). So, I am wondering if would be acceptable support another specific config for CI (i.e kernelci.config). Will it be acceptable?
Thanks, Enric
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