linux-kernel - Re: [PATCH] i915: ggtt: include asm/smp.h

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Date:   Fri, 10 Jan 2020 15:25:04 +0000
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Arnd Bergmann <arnd@...db.de>, Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Matthew Auld <matthew.auld@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc:     Arnd Bergmann <arnd@...db.de>, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i915: ggtt: include asm/smp.h

Quoting Arnd Bergmann (2020-01-10 15:17:54)
> Splitting up the i915_gem_gtt caused a build failure in some configurations:
> 
> drivers/gpu/drm/i915/gt/intel_ggtt.c: In function 'ggtt_restore_mappings':
> drivers/gpu/drm/i915/gt/intel_ggtt.c:1239:3: error: implicit declaration of function 'wbinvd_on_all_cpus'; did you mean 'wrmsr_on_cpus'? [-Werror=implicit-function-declaration]
>    wbinvd_on_all_cpus();
>    ^~~~~~~~~~~~~~~~~~
>    wrmsr_on_cpus
> 
> Add the missing header file.
> 
> Fixes: 2c86e55d2ab5 ("drm/i915/gtt: split up i915_gem_gtt")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> I ran into this bug a few days ago on linux-next. Please just ignore
> if it's already fixed in the meantime.

Fixed applied this morning, thanks for the fixup anyway.
-Chris