Thread (20 messages) 20 messages, 4 authors, 2016-01-29

Re: [linux-review:James-Hogan/kbuild-Remove-stale-asm-generic-wrappers/20160119-183642] d979f99e9cc14e2667e9b6e268db695977e4197a BUILD DONE

From: Arnd Bergmann <arnd@arndb.de>
Date: 2016-01-27 09:44:55
Also in: linux-arch, linux-arm-kernel, linux-kbuild, lkml

On Wednesday 27 January 2016 17:30:18 Fengguang Wu wrote:
quoted
Looks good, I'm just unsure about "multi_v8_defconfig", this does not
exist. Do you mean multi_v5_defconfig?
Ah yes, multi_v8_defconfig does not exist actually.
Ok, can you include multi_v5_defconfig than?

I see you have one named "arm-arm5", which may be the same.
quoted
I also wonder if you include 'randconfig' builds for some architectures.
I have patches for all remaining errors and warnings that I see with
ARM randconfig builds today. Not all of them are merged yet, but I could
probably come up with a file to be used as input to KCONFIG_ALLCONFIG
to eliminate the known-broken configurations, if you are interested.
If the are mostly ready for upstream, it may be easier to wait until
upstream randconfig works just fine for ARM.
I have around 130 patches for warnings that I'm submitting at the moment, but
there are a couple of really tricky ones that I don't currently have
a good plan for:

- in some configurations, you end up without any boards selected, hitting
  an #error in the final link
- ARMv3 support in gcc is rather broken and causes internal compiler errors
  among other things
- the old ELF format (OABI) doesn't work in some cases
- GCOV_PROFILE_ALL causes problems that need to be debugged
- XIP_KERNEL sometimes causes kallsyms to fail
- not all platforms implement the complete clk API, if they don't
  use CONFIG_COMMON_CLK (I have patch for that we can probably merge)
- CONFIG_PHYS_OFFSET needs to be entered manually to be a number
  in 'make config'
- same for DEBUG_LL

	Arnd
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