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Date:   Fri, 27 Apr 2018 13:08:22 -0700 (PDT)
Subject:     RE: Makefile:636: arch/score/Makefile: No such file or directory
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CC:     fengguang.wu@intel.com, Arnd Bergmann <arnd@arndb.de>,
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From:   Palmer Dabbelt <palmer@sifive.com>
To:     philip.li@intel.com
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On Thu, 26 Apr 2018 18:00:25 PDT (-0700), philip.li@intel.com wrote:
>
>> >Please stop trying to build the removed architectures: tile, blackfin,
>> >metag, m32r, frv, mn10300, cris and score.
>> >
>> >https://lwn.net/Articles/748074/ has details about why this broke.
>>
>> Sorry about that!  It looks the architectures removal is not thorough
>> enough. Hao, would you help take a look?
> sure, we will handle this.
>
>>
>> >Note that we do have a few new architectures that you may want
>> >to add if you haven't done this already: nds32 and riscv were added
>> >this year, and a couple of older architectures that didn't have upstream
>> >gcc releases now have those, and I uploaded gcc binaries to
>> >https://cdn.kernel.org/pub/tools/crosstool/.
>> >
>> >This should allow building everything we have in the kernel now.
>> >Unfortunately the nds32 toolchain I uploaded is a little incomplete,
>> >but I have a gcc-6.4 build that (mostly) works and gcc-8 should
>> >be fine as well once it gets released.
>>
>> OK, thanks for the tips! Philip may help plan add the 2 new archs
>> nds32 and riscv.
> thanks for info, we will add new archs support in near future.

Thanks!  If you have any RISC-V questions feel free to ping me, but it should 
be pretty straight-forward as I think my trees are already in the system and 
our upstream toolchain works for Linux.