From: Mike Rapoport <rppt@kernel.org>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
Richard Henderson <rth@twiddle.net>,
Vineet Gupta <vgupta@synopsys.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@codeaurora.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Ley Foon Tan <ley.foon.tan@intel.com>,
Jonas Bonn <jonas@southpole.se>,
Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
Stafford Horne <shorne@gmail.com>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Heiko Carstens <hca@linux.ibm.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
"David S. Miller" <davem@davemloft.net>,
Jeff Dike <jdike@addtoit.com>,
Thomas Gleixner <tglx@linutronix.de>,
Chris Zankel <chris@zankel.net>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] mm: Define default value for FIRST_USER_ADDRESS
Date: Tue, 4 May 2021 15:14:32 +0300 [thread overview]
Message-ID: <YJE6qOj6tmIxWSwz@kernel.org> (raw)
In-Reply-To: <1618550254-14511-1-git-send-email-anshuman.khandual@arm.com>
On Fri, Apr 16, 2021 at 10:47:34AM +0530, Anshuman Khandual wrote:
> Currently most platforms define FIRST_USER_ADDRESS as 0UL duplication the
> same code all over. Instead just define a generic default value (i.e 0UL)
> for FIRST_USER_ADDRESS and let the platforms override when required. This
> makes it much cleaner with reduced code.
>
> The default FIRST_USER_ADDRESS here would be skipped in <linux/pgtable.h>
> when the given platform overrides its value via <asm/pgtable.h>.
>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Vineet Gupta <vgupta@synopsys.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Guo Ren <guoren@kernel.org>
> Cc: Brian Cain <bcain@codeaurora.org>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Cc: Michal Simek <monstr@monstr.eu>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Ley Foon Tan <ley.foon.tan@intel.com>
> Cc: Jonas Bonn <jonas@southpole.se>
> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
> Cc: Stafford Horne <shorne@gmail.com>
> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Heiko Carstens <hca@linux.ibm.com>
> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jeff Dike <jdike@addtoit.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Chris Zankel <chris@zankel.net>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: linux-arch@vger.kernel.org
> Cc: linux-mm@kvack.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2021-05-04 12:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 5:17 [PATCH V2] mm: Define default value for FIRST_USER_ADDRESS Anshuman Khandual
2021-04-19 8:06 ` Geert Uytterhoeven
2021-04-26 0:06 ` Anshuman Khandual
2021-04-26 12:55 ` Guo Ren
2021-05-04 12:14 ` Mike Rapoport [this message]
2021-05-05 6:27 ` Stafford Horne
2021-05-05 7:12 ` Anshuman Khandual
2021-05-06 10:27 ` Catalin Marinas
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