RE: ia64 removal (was: Re: lockref scalability on x86-64 vs cpu_relax)

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>> Is it time yet for:
>>
>> $ git rm -r arch/ia64
>>

> Can I take that as an ack on [0]? The EFI subsystem has evolved
> substantially over the years, and there is really no way to do any
> IA64 testing beyond build testing, so from that perspective, dropping
> it entirely would be welcomed.
>
> Thanks,
> Ard.
>
>
>
> [0] https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?h=remove-ia64

Yes. EFI isn't the only issue. A bunch of folks[1] have spent time fixing ia64
for (in most cases) some tree-wide patches that they needed. Their time might
have been more productively spent fixing things that actually matter in modern times.

Acked-by: Tony Luck <tony.luck@xxxxxxxxx>

-Tony

[1] git log --no-merges --since=2year -- arch/ia64 | grep Author: | sort | uniq -c | sort -rn
     19 Author: Masahiro Yamada <masahiroy@xxxxxxxxxx>
     11 Author: Sergei Trofimovich <slyfox@xxxxxxxxxx>
      9 Author: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
      8 Author: Arnd Bergmann <arnd@xxxxxxxx>
      6 Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
      6 Author: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
      6 Author: Anshuman Khandual <anshuman.khandual@xxxxxxx>
      5 Author: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
      5 Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
      4 Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
      4 Author: Mike Rapoport <rppt@xxxxxxxxxx>
      4 Author: David Hildenbrand <david@xxxxxxxxxx>
      4 Author: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
      3 Author: Yury Norov <yury.norov@xxxxxxxxx>
      3 Author: Michal Hocko <mhocko@xxxxxxxx>
      3 Author: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
      3 Author: Bhaskar Chowdhury <unixbhaskar@xxxxxxxxx>
      3 Author: Baoquan He <bhe@xxxxxxxxxx>
      3 Author: Ard Biesheuvel <ardb@xxxxxxxxxx>
      3 Author: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
      2 Author: Yang Guang <yang.guang5@xxxxxxxxxx>
      2 Author: Will Deacon <will@xxxxxxxxxx>
      2 Author: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
      2 Author: Valentin Schneider <vschneid@xxxxxxxxxx>
      2 Author: Stafford Horne <shorne@xxxxxxxxx>
      2 Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
      2 Author: Richard Guy Briggs <rgb@xxxxxxxxxx>
      2 Author: Peter Xu <peterx@xxxxxxxxxx>
      2 Author: Peter Collingbourne <pcc@xxxxxxxxxx>
      2 Author: Mark Rutland <mark.rutland@xxxxxxx>
      2 Author: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
      2 Author: Julia Lawall <Julia.Lawall@xxxxxxxx>
      2 Author: Jens Axboe <axboe@xxxxxxxxx>
      2 Author: Jason Wang <wangborong@xxxxxxxxxx>
      2 Author: Jan Kara <jack@xxxxxxx>
      2 Author: Christoph Hellwig <hch@xxxxxx>
      2 Author: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
      2 Author: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
      1 Author: Zi Yan <ziy@xxxxxxxxxx>
      1 Author: Zhang Yunkai <zhang.yunkai@xxxxxxxxxx>
      1 Author: ye xingchen <ye.xingchen@xxxxxxxxxx>
      1 Author: xu xin <xu.xin16@xxxxxxxxxx>
      1 Author: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
      1 Author: Weizhao Ouyang <o451686892@xxxxxxxxx>
      1 Author: Suren Baghdasaryan <surenb@xxxxxxxxxx>
      1 Author: Souptick Joarder (HPE) <jrdr.linux@xxxxxxxxx>
      1 Author: Sergey Shtylyov <s.shtylyov@xxxxxx>
      1 Author: Sergei Trofimovich <slyich@xxxxxxxxx>
      1 Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
      1 Author: Samuel Holland <samuel@xxxxxxxxxxxx>
      1 Author: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
      1 Author: Peng Liu <liupeng256@xxxxxxxxxx>
      1 Author: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
      1 Author: Muchun Song <muchun.song@xxxxxxxxx>
      1 Author: Mikulas Patocka <mpatocka@xxxxxxxxxx>
      1 Author: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
      1 Author: Mickaël Salaün <mic@xxxxxxxxxxxxxxxxxxx>
      1 Author: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
      1 Author: Martin Oliveira <martin.oliveira@xxxxxxxxxxxxx>
      1 Author: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
      1 Author: Kees Cook <keescook@xxxxxxxxxxxx>
      1 Author: Jason A. Donenfeld <Jason@xxxxxxxxx>
      1 Author: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
      1 Author: Haowen Bai <baihaowen@xxxxxxxxx>
      1 Author: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
      1 Author: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
      1 Author: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
      1 Author: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
      1 Author: Dawei Li <set_pte_at@xxxxxxxxxxx>
      1 Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
      1 Author: Christian Brauner <brauner@xxxxxxxxxx>
      1 Author: Chris Down <chris@xxxxxxxxxxxxxx>
      1 Author: Chen Li <chenli@xxxxxxxxxxxxx>
      1 Author: Catalin Marinas <catalin.marinas@xxxxxxx>
      1 Author: Benjamin Stürz <benni@xxxxxxxxxx>
      1 Author: Ben Dooks <ben-linux@xxxxxxxxx>
      1 Author: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
      1 Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
      1 Author: André Almeida <andrealmeid@xxxxxxxxxx>




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