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From: Peter Zijlstra <peterz@infradead.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: x86@kernel.org, hpa@zytor.com,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	rjw@rjwysocki.net, Arnd Bergmann <arnd@arndb.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Michal Hocko <mhocko@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	Joerg Roedel <jroedel@suse.de>,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v3 0/7] mm: Get rid of vmalloc_sync_(un)mappings()
Date: Fri, 15 May 2020 16:16:57 +0200	[thread overview]
Message-ID: <20200515141657.GF2940@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200515140023.25469-1-joro@8bytes.org>

On Fri, May 15, 2020 at 04:00:16PM +0200, Joerg Roedel wrote:
> Joerg Roedel (7):
>   mm: Add functions to track page directory modifications
>   mm/vmalloc: Track which page-table levels were modified
>   mm/ioremap: Track which page-table levels were modified
>   x86/mm/64: Implement arch_sync_kernel_mappings()
>   x86/mm/32: Implement arch_sync_kernel_mappings()
>   mm: Remove vmalloc_sync_(un)mappings()
>   x86/mm: Remove vmalloc faulting
> 
>  arch/x86/include/asm/pgtable-2level_types.h |   2 +
>  arch/x86/include/asm/pgtable-3level_types.h |   2 +
>  arch/x86/include/asm/pgtable_64_types.h     |   2 +
>  arch/x86/include/asm/switch_to.h            |  23 ---
>  arch/x86/kernel/setup_percpu.c              |   6 +-
>  arch/x86/mm/fault.c                         | 176 +-------------------
>  arch/x86/mm/init_64.c                       |   5 +
>  arch/x86/mm/pti.c                           |   8 +-
>  arch/x86/mm/tlb.c                           |  37 ----
>  drivers/acpi/apei/ghes.c                    |   6 -
>  include/asm-generic/5level-fixup.h          |   5 +-
>  include/asm-generic/pgtable.h               |  23 +++
>  include/linux/mm.h                          |  46 +++++
>  include/linux/vmalloc.h                     |  18 +-
>  kernel/notifier.c                           |   1 -
>  kernel/trace/trace.c                        |  12 --
>  lib/ioremap.c                               |  46 +++--
>  mm/nommu.c                                  |  12 --
>  mm/vmalloc.c                                | 109 +++++++-----
>  19 files changed, 204 insertions(+), 335 deletions(-)

I'm thinking this improves the status-quo, so:

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Like Andy, I think I'd like x86_64 to pre-populate, but that can easily
be done on top and should not hold this back.

      parent reply	other threads:[~2020-05-15 14:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-15 14:00 [PATCH v3 0/7] mm: Get rid of vmalloc_sync_(un)mappings() Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 1/7] mm: Add functions to track page directory modifications Joerg Roedel
2020-06-05 10:08   ` Catalin Marinas
2020-06-05 11:46     ` Catalin Marinas
2020-06-06  1:01       ` Andrew Morton
2020-06-06 12:50         ` Catalin Marinas
2020-05-15 14:00 ` [PATCH v3 2/7] mm/vmalloc: Track which page-table levels were modified Joerg Roedel
2020-05-15 20:01   ` Andrew Morton
2020-05-16 12:56     ` Joerg Roedel
2020-05-18 22:18       ` Andrew Morton
2020-05-19 15:25         ` Joerg Roedel
2020-05-25 10:05         ` Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 3/7] mm/ioremap: " Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 4/7] x86/mm/64: Implement arch_sync_kernel_mappings() Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 5/7] x86/mm/32: " Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 6/7] mm: Remove vmalloc_sync_(un)mappings() Joerg Roedel
2020-05-15 14:00 ` [PATCH v3 7/7] x86/mm: Remove vmalloc faulting Joerg Roedel
2020-05-15 14:16 ` Peter Zijlstra [this message]

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