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From: Nicholas Piggin <npiggin@gmail.com>
To: alex@ghiti.fr, Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Paul Mackerras <paulus@samba.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout
Date: Wed, 24 Nov 2021 23:21:28 +1000	[thread overview]
Message-ID: <1637759994.e3mppl4ly7.astroid@bobo.none> (raw)
In-Reply-To: <cover.1637570556.git.christophe.leroy@csgroup.eu>

Excerpts from Christophe Leroy's message of November 22, 2021 6:48 pm:
> This series converts powerpc to default topdown mmap layout.
> 
> powerpc provides its own arch_get_unmapped_area() only when
> slices are needed, which is only for book3s/64. First part of
> the series moves slices into book3s/64 specific directories
> and cleans up other subarchitectures.
> 
> Then a small modification is done to core mm to allow
> powerpc to still provide its own arch_randomize_brk()
> 
> Last part converts to default topdown mmap layout.

A nice series but will clash badly with the CONFIG_HASH_MMU 
series of course. One will have to be rebased if they are
both to be merged.

Thanks,
Nick

WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: alex@ghiti.fr, Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Paul Mackerras <paulus@samba.org>
Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout
Date: Wed, 24 Nov 2021 23:21:28 +1000	[thread overview]
Message-ID: <1637759994.e3mppl4ly7.astroid@bobo.none> (raw)
In-Reply-To: <cover.1637570556.git.christophe.leroy@csgroup.eu>

Excerpts from Christophe Leroy's message of November 22, 2021 6:48 pm:
> This series converts powerpc to default topdown mmap layout.
> 
> powerpc provides its own arch_get_unmapped_area() only when
> slices are needed, which is only for book3s/64. First part of
> the series moves slices into book3s/64 specific directories
> and cleans up other subarchitectures.
> 
> Then a small modification is done to core mm to allow
> powerpc to still provide its own arch_randomize_brk()
> 
> Last part converts to default topdown mmap layout.

A nice series but will clash badly with the CONFIG_HASH_MMU 
series of course. One will have to be rebased if they are
both to be merged.

Thanks,
Nick

  parent reply	other threads:[~2021-11-24 14:32 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-22  8:48 [PATCH 0/8] Convert powerpc to default topdown mmap layout Christophe Leroy
2021-11-22  8:48 ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 1/8] powerpc/mm: Make slice specific to book3s/64 Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22 14:48   ` kernel test robot
2021-11-22 14:48     ` kernel test robot
2021-11-22 14:48     ` kernel test robot
2021-11-24 12:10     ` Christophe Leroy
2021-11-24 12:10       ` Christophe Leroy
2021-11-24 12:10       ` Christophe Leroy
2021-11-24 13:49       ` Christophe Leroy
2021-11-24 13:49         ` Christophe Leroy
2021-11-26  5:15         ` [kbuild-all] " Chen, Rong A
2021-11-26  5:15           ` Chen, Rong A
2021-11-22 21:10   ` kernel test robot
2021-11-22 21:10     ` kernel test robot
2021-11-22 21:10     ` kernel test robot
2021-11-24 12:10     ` Christophe Leroy
2021-11-24 12:10       ` Christophe Leroy
2021-11-24 12:10       ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 2/8] powerpc/mm: Remove CONFIG_PPC_MM_SLICES Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 3/8] powerpc/mm: Remove asm/slice.h Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 4/8] powerpc/mm: Move vma_mmu_pagesize() and hugetlb_get_unmapped_area() to slice.c Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 5/8] powerpc/mm: Call radix__arch_get_unmapped_area() from arch_get_unmapped_area() Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 6/8] mm: Allow arch specific arch_randomize_brk() with CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22 11:22   ` Alex Ghiti
2021-11-22 11:22     ` Alex Ghiti
2021-11-22 11:47     ` Christophe Leroy
2021-11-22 11:47       ` Christophe Leroy
2021-11-22 12:57       ` Alexandre ghiti
2021-11-22 12:57         ` Alexandre ghiti
2021-11-23  0:22   ` kernel test robot
2021-11-23  0:22     ` kernel test robot
2021-11-23  0:22     ` kernel test robot
2021-11-22  8:48 ` [PATCH 7/8] powerpc/mm: Convert to default topdown mmap layout Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-22  8:48 ` [PATCH 8/8] powerpc/mm: Properly randomise mmap with slices Christophe Leroy
2021-11-22  8:48   ` Christophe Leroy
2021-11-24 13:21 ` Nicholas Piggin [this message]
2021-11-24 13:21   ` [PATCH 0/8] Convert powerpc to default topdown mmap layout Nicholas Piggin
2021-11-24 13:40   ` Christophe Leroy
2021-11-24 13:40     ` Christophe Leroy
2021-11-24 18:00     ` Christophe Leroy

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