linux-kernel - Re: [RFC PATCH v6] Documentation/arch: Add Documentation/arch-features.txt

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Date:	Thu, 14 May 2015 09:08:16 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	Borislav Petkov <bp@...en8.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	Peter Zijlstra <peterz@...radead.org>,
	Andy Lutomirski <luto@...capital.net>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, linux-arch@...r.kernel.org
Subject: Re: [RFC PATCH v6] Documentation/arch: Add
 Documentation/arch-features.txt


* Josh Triplett <josh@...htriplett.org> wrote:

> On Wed, May 13, 2015 at 03:48:42PM +0200, Ingo Molnar wrote:
> > From 93f6bd67b4348bf4bf27cbac8ffa9f1def4fa6aa Mon Sep 17 00:00:00 2001
> > From: Ingo Molnar <mingo@...nel.org>
> > Date: Wed, 13 May 2015 10:30:11 +0200
> > Subject: [PATCH] Documentation/arch: Add Documentation/arch-features.txt
> > 
> > Add a support matrix for various generic kernel features that need
> > architecture support.
> > 
> > Signed-off-by: Ingo Molnar <mingo@...nel.org>
> 
> Could you add a column for the bpf JIT?

Added it, it now looks like this (see it in the first column):

                ...
            BPF JIT: HAVE_BPF_JIT

      irq time acct:--------------------------------------------------.
                THP:-------------------------------------------.      |
   gcov profile all:------------------------------------.      |      |
    rwsem optimized:-----------------------------.      |      |      |
   queued spinlocks:----------------------.      |      |      |      |
     queued rwlocks:---------------.      |      |      |      |      |
     numa balancing:--------.      |      |      |      |      |      |
            BPF JIT:-.      |      |      |      |      |      |      |
                     |      |      |      |      |      |      |      |
---------------------------------------------------------------------------
  alpha           | TODO | TODO | TODO | TODO |  ok  | TODO | TODO |  ok  |
  arc             | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  arm             |  ok  |  ..  | TODO | TODO | TODO |  ok  |  ok  |  ok  |
  arm64           |  ok  |  ..  | TODO | TODO | TODO |  ok  |  ok  |  ok  |
  avr32           | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  blackfin        | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  c6x             | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  cris            | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  frv             | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  hexagon         | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  ia64            | TODO | TODO | TODO | TODO |  ok  | TODO | TODO |  ok  |
  m32r            | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  m68k            | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  metag           | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  microblaze      | TODO |  ..  | TODO | TODO | TODO |  ok  |  ..  | TODO |
  mips            |  ok  | TODO | TODO | TODO | TODO | TODO |  ok  |  ok  |
  mn10300         | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  nios2           | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  openrisc        | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  parisc          | TODO |  ..  | TODO | TODO | TODO | TODO | TODO |  ok  |
  powerpc         |  ok  |  ok  | TODO | TODO | TODO |  ok  |  ok  |  ok  |
  s390            |  ok  |  ..  | TODO | TODO |  ok  |  ok  |  ok  |  ok  |
  score           | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  sh              | TODO |  ..  | TODO | TODO |  ok  |  ok  |  ..  | TODO |
  sparc           |  ok  | TODO | TODO | TODO |  ok  | TODO |  ok  |  ok  |
  tile            | TODO | TODO | TODO | TODO | TODO | TODO | TODO |  ok  |
  um              | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  unicore32       | TODO |  ..  | TODO | TODO | TODO | TODO |  ..  | TODO |
  x86             |  ok  |  ok  |  ok  |  ok  |  ok  |  ok  |  ok  |  ok  |
  xtensa          | TODO |  ..  | TODO | TODO |  ok  | TODO |  ..  |  ok  |
---------------------------------------------------------------------------

Thanks,

	Ingo
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