linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Mark Rutland <mark.rutland@arm.com>,
	uclinux-h8-devel@lists.sourceforge.jp,
	linux-m68k@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-sh@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	James Hogan <jhogan@kernel.org>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org,
	linux-riscv@lists.infradead.org,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-s390@vger.kernel.org, kbuild test robot <lkp@intel.com>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Max Filippov <jcmvbkbc@gmail.com>,
	x86@kernel.org, Matthew Wilcox <willy@infradead.org>,
	Steven Price <Steven.Price@arm.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Gerald Schaefer <gerald.schaefer@de.ibm.com>,
	Mark Salter <msalter@redhat.com>,
	Matt Turner <mattst88@gmail.com>,
	linux-snps-arc@lists.infradead.org,
	Ingo Molnar <mingo@kernel.org>,
	linux-xtensa@linux-xtensa.org, Kees Cook <keescook@chromium.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	linux-alpha@vger.kernel.org,
	Aurelien Jacquiot <jacquiot.aurelien@gmail.com>,
	linux-c6x-dev@linux-c6x.org, Mark Brown <broonie@kernel.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Dan Williams <dan.j.williams@intel.com>,
	Guan Xuetao <gxt@pku.edu.cn>, Vlastimil Babka <vbabka@suse.cz>,
	Richard Henderson <rth@twiddle.net>,
	linux-arm-kernel@lists.infradead.org,
	Chris Zankel <chris@zankel.net>, Michal Simek <monstr@monstr.eu>,
	kbuild-all@lists.01.org, Brian Cain <bcain@codeaurora.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Dave Hansen <dave.hansen@intel.com>,
	linux-mips@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
	linux-kernel@vger.kernel.org, Paul Burton <paul.burton@mips.com>,
	Mike Rapoport <rppt@linux.vnet.ibm.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Vineet Gupta <vgupta@synopsys.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Qian Cai <cai@lca.pw>, Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH V13] mm/debug: Add tests validating architecture page table helpers
Date: Tue, 11 Feb 2020 09:24:48 +0000	[thread overview]
Message-ID: <20200211092448.GI25745@shell.armlinux.org.uk> (raw)
In-Reply-To: <aa540cd6-93a0-1be4-cdff-c9af43ed7d8e@c-s.fr>

On Tue, Feb 11, 2020 at 06:33:47AM +0100, Christophe Leroy wrote:
> 
> 
> Le 11/02/2020 à 03:25, Anshuman Khandual a écrit :
> > 
> > 
> > On 02/10/2020 04:36 PM, Russell King - ARM Linux admin wrote:
> > > There are good reasons for the way ARM does stuff.  The generic crap was
> > > written without regard for the circumstances that ARM has, and thus is
> > > entirely unsuitable for 32-bit ARM.
> > 
> > Since we dont have an agreement here, lets just settle with disabling the
> > test for now on platforms where the build fails. CONFIG_EXPERT is enabling
> > this test for better adaptability and coverage, hence how about re framing
> > the config like this ? This at the least conveys the fact that EXPERT only
> > works when platform is neither IA64 or ARM.
> 
> Agreed
> 
> > 
> > config DEBUG_VM_PGTABLE
> > 	bool "Debug arch page table for semantics compliance"
> > 	depends on MMU
> > 	depends on ARCH_HAS_DEBUG_VM_PGTABLE || (EXPERT &&  !(IA64 || ARM))
> 
> I think it's maybe better to have a dedicated depends line:
> 
> depends on !IA64 && !ARM
> depends on ARCH_HAS_DEBUG_VM_PGTABLE || EXPERT
> 
> The day arm and/or ia64 is ready for building the test, we can remove that
> depends.

Never going to happen as its technically infeasible, sorry.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up

      reply	other threads:[~2020-02-11 10:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-05 10:14 [PATCH V13] mm/debug: Add tests validating architecture page table helpers Anshuman Khandual
2020-02-05 23:10 ` kbuild test robot
2020-02-06  8:19   ` Anshuman Khandual
2020-02-10  4:52     ` Andrew Morton
2020-02-10  5:35       ` Anshuman Khandual
2020-02-10  6:38         ` Christophe Leroy
2020-02-10 10:02           ` Russell King - ARM Linux admin
2020-02-10 10:46             ` Christophe Leroy
2020-02-10 11:06               ` Russell King - ARM Linux admin
2020-02-11  2:25                 ` Anshuman Khandual
2020-02-11  5:33                   ` Christophe Leroy
2020-02-11  9:24                     ` Russell King - ARM Linux admin [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200211092448.GI25745@shell.armlinux.org.uk \
    --to=linux@armlinux.org.uk \
    --cc=Steven.Price@arm.com \
    --cc=akpm@linux-foundation.org \
    --cc=anshuman.khandual@arm.com \
    --cc=ard.biesheuvel@linaro.org \
    --cc=bcain@codeaurora.org \
    --cc=broonie@kernel.org \
    --cc=cai@lca.pw \
    --cc=chris@zankel.net \
    --cc=christophe.leroy@c-s.fr \
    --cc=dan.j.williams@intel.com \
    --cc=dave.hansen@intel.com \
    --cc=davem@davemloft.net \
    --cc=geert@linux-m68k.org \
    --cc=gerald.schaefer@de.ibm.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=gxt@pku.edu.cn \
    --cc=heiko.carstens@de.ibm.com \
    --cc=ink@jurassic.park.msu.ru \
    --cc=jacquiot.aurelien@gmail.com \
    --cc=jcmvbkbc@gmail.com \
    --cc=jgg@ziepe.ca \
    --cc=jhogan@kernel.org \
    --cc=kbuild-all@lists.01.org \
    --cc=keescook@chromium.org \
    --cc=kirill@shutemov.name \
    --cc=linux-alpha@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-c6x-dev@linux-c6x.org \
    --cc=linux-hexagon@vger.kernel.org \
    --cc=linux-ia64@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@vger.kernel.org \
    --cc=linux-mips@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linux-sh@vger.kernel.org \
    --cc=linux-snps-arc@lists.infradead.org \
    --cc=linux-xtensa@linux-xtensa.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=lkp@intel.com \
    --cc=mark.rutland@arm.com \
    --cc=mattst88@gmail.com \
    --cc=mhocko@kernel.org \
    --cc=mingo@kernel.org \
    --cc=monstr@monstr.eu \
    --cc=msalter@redhat.com \
    --cc=palmer@dabbelt.com \
    --cc=paul.burton@mips.com \
    --cc=paul.walmsley@sifive.com \
    --cc=paulus@samba.org \
    --cc=penguin-kernel@i-love.sakura.ne.jp \
    --cc=peterz@infradead.org \
    --cc=ralf@linux-mips.org \
    --cc=rppt@linux.vnet.ibm.com \
    --cc=rth@twiddle.net \
    --cc=schwidefsky@de.ibm.com \
    --cc=sparclinux@vger.kernel.org \
    --cc=tglx@linutronix.de \
    --cc=uclinux-h8-devel@lists.sourceforge.jp \
    --cc=vbabka@suse.cz \
    --cc=vgupta@synopsys.com \
    --cc=willy@infradead.org \
    --cc=x86@kernel.org \
    --cc=yamada.masahiro@socionext.com \
    --cc=ysato@users.sourceforge.jp \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).