linux-kernel - Re: [PATCH 0/2] Nuke PAGE_KERNEL

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Message-ID: <20211112190403.GK174703@worktop.programming.kicks-ass.net>
Date:   Fri, 12 Nov 2021 20:04:03 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Lucas De Marchi <lucas.demarchi@...el.com>
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        xen-devel@...ts.xenproject.org,
        Daniel Vetter <daniel.vetter@...ll.ch>
Subject: Re: [PATCH 0/2] Nuke PAGE_KERNEL_IO

On Thu, Oct 21, 2021 at 11:15:09AM -0700, Lucas De Marchi wrote:
> Last user of PAGE_KERNEL_IO is the i915 driver. While removing it from
> there as we seek to bring the driver to other architectures, Daniel
> suggested that we could finish the cleanup and remove it altogether,
> through the tip tree. So here I'm sending both commits needed for that.
> 
> Lucas De Marchi (2):
>   drm/i915/gem: stop using PAGE_KERNEL_IO
>   x86/mm: nuke PAGE_KERNEL_IO
> 
>  arch/x86/include/asm/fixmap.h             | 2 +-
>  arch/x86/include/asm/pgtable_types.h      | 7 -------
>  arch/x86/mm/ioremap.c                     | 2 +-
>  arch/x86/xen/setup.c                      | 2 +-
>  drivers/gpu/drm/i915/gem/i915_gem_pages.c | 4 ++--
>  include/asm-generic/fixmap.h              | 2 +-
>  6 files changed, 6 insertions(+), 13 deletions(-)

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