linux-kernel - Re: [patch V4 0/8] mm/highmem: Preemptible variant of kmap

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Message-ID: <20201124080359.GD2414@hirez.programming.kicks-ass.net>
Date:   Tue, 24 Nov 2020 09:03:59 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Linus Torvalds <torvalds@...uxfoundation.org>,
        Christoph Hellwig <hch@....de>,
        Matthew Wilcox <willy@...radead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [patch V4 0/8] mm/highmem: Preemptible variant of kmap_atomic &
 friends

On Wed, Nov 18, 2020 at 08:48:38PM +0100, Thomas Gleixner wrote:
>  Documentation/driver-api/io-mapping.rst |   74 +++++++++++--------
>  arch/x86/Kconfig                        |    1 
>  arch/x86/include/asm/fixmap.h           |   12 ++-
>  arch/x86/include/asm/pgtable_64_types.h |    6 +
>  arch/x86/kernel/crash_dump_32.c         |   48 ++----------
>  include/asm-generic/kmap_size.h         |    2 
>  include/linux/highmem-internal.h        |   58 +++++++++++++++
>  include/linux/highmem.h                 |   43 +++++++----
>  include/linux/io-mapping.h              |   30 +++++++
>  include/linux/kernel.h                  |   21 +++--
>  include/linux/preempt.h                 |   38 ----------
>  include/linux/sched.h                   |   11 ++
>  kernel/entry/common.c                   |    2 
>  kernel/fork.c                           |    1 
>  kernel/sched/core.c                     |   63 ++++++++++++++--
>  kernel/sched/sched.h                    |    4 -
>  lib/Kconfig.debug                       |   22 +++++
>  lib/smp_processor_id.c                  |    2 
>  mm/highmem.c                            |  121 ++++++++++++++++++++++++++++----
>  19 files changed, 400 insertions(+), 159 deletions(-)

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