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>,
Michael Ellerman <mpe@ellerman.id.au>,
x86@kernel.org, Matthew Wilcox <willy@infradead.org>,
Steven Price <Steven.Price@arm.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Geert Uytterhoeven <geert@linux-m6>
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
WARNING: multiple messages have this Message-ID (diff)
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>,
Michael Ellerman <mpe@ellerman.id.au>,
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
WARNING: multiple messages have this Message-ID (diff)
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>,
Michael Ellerman <mpe@ellerman.id.au>,
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
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: kbuild-all@lists.01.org
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>
[-- Attachment #1: Type: text/plain, Size: 1506 bytes --]
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
WARNING: multiple messages have this Message-ID (diff)
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
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
kbuild test robot <lkp@intel.com>,
kbuild-all@lists.01.org, linux-mm@kvack.org,
Vlastimil Babka <vbabka@suse.cz>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Dan Williams <dan.j.williams@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Michal Hocko <mhocko@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Mark Brown <broonie@kernel.org>,
Steven Price <Steven.Price@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Kees Cook <keescook@chromium.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Matthew Wilcox <willy@infradead.org>,
Dave Hansen <dave.hansen@intel.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
Vineet Gupta <vgupta@synopsys.com>,
James Hogan <jhogan@kernel.org>,
Paul Burton <paul.burton@mips.com>,
Ralf Baechle <ralf@linux-mips.org>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Gerald Schaefer <gerald.schaefer@de.ibm.com>,
Ingo Molnar <mingo@kernel.org>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
Mark Salter <msalter@redhat.com>,
Aurelien Jacquiot <jacquiot.aurelien@gmail.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Brian Cain <bcain@codeaurora.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>, Guan Xuetao <gxt@pku.edu.cn>,
Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>, Qian Cai <cai@lca.pw>,
linux-alpha@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
uclinux-h8-devel@lists.sourceforge.jp,
linux-hexagon@vger.kernel.org, linux-m68k@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-xtensa@linux-xtensa.org,
linux-snps-arc@lists.infradead.org, linux-mips@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org, linux-kernel@vger.kernel.org
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.
--
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next prev parent reply other threads:[~2020-02-11 9:24 UTC|newest]
Thread overview: 71+ 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 10:14 ` Anshuman Khandual
2020-02-05 10:14 ` Anshuman Khandual
2020-02-05 10:14 ` Anshuman Khandual
2020-02-05 10:14 ` Anshuman Khandual
2020-02-05 23:10 ` kbuild test robot
2020-02-05 23:10 ` kbuild test robot
2020-02-05 23:10 ` kbuild test robot
2020-02-05 23:10 ` kbuild test robot
2020-02-05 23:10 ` kbuild test robot
2020-02-05 23:10 ` kbuild test robot
2020-02-06 8:19 ` Anshuman Khandual
2020-02-06 8:19 ` Anshuman Khandual
2020-02-06 8:19 ` Anshuman Khandual
2020-02-06 8:19 ` Anshuman Khandual
2020-02-06 8:19 ` Anshuman Khandual
2020-02-06 8:19 ` Anshuman Khandual
2020-02-10 4:52 ` Andrew Morton
2020-02-10 4:52 ` Andrew Morton
2020-02-10 4:52 ` Andrew Morton
2020-02-10 4:52 ` Andrew Morton
2020-02-10 4:52 ` Andrew Morton
2020-02-10 4:52 ` Andrew Morton
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 5:35 ` Anshuman Khandual
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 6:38 ` Christophe Leroy
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:02 ` Russell King - ARM Linux admin
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 10:46 ` Christophe Leroy
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-10 11:06 ` Russell King - ARM Linux admin
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 2:25 ` Anshuman Khandual
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 5:33 ` Christophe Leroy
2020-02-11 9:24 ` Russell King - ARM Linux admin [this message]
2020-02-11 9:24 ` Russell King - ARM Linux admin
2020-02-11 9:24 ` Russell King - ARM Linux admin
2020-02-11 9:24 ` Russell King - ARM Linux admin
2020-02-11 9:24 ` Russell King - ARM Linux admin
2020-02-11 9:24 ` Russell King - ARM Linux admin
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