From: Alex Deucher <alexdeucher@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Tao Zhou <tao.zhou1@amd.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
kernel-build-reports@lists.linaro.org,
amd-gfx list <amd-gfx@lists.freedesktop.org>,
Mark Brown <broonie@kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
"Deucher, Alexander" <alexander.deucher@amd.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christian Koenig <christian.koenig@amd.com>,
Dennis Li <dennis.li@amd.com>,
Hawking Zhang <hawking.zhang@amd.com>
Subject: Re: drm/amdgpu: replace readq/writeq with atomic64 operations
Date: Thu, 8 Aug 2019 15:33:17 -0400 [thread overview]
Message-ID: <CADnq5_ONGvL0yMybsXCyYJO6zKRAi4aEPo8LwEwQjSP3aVbdJQ@mail.gmail.com> (raw)
In-Reply-To: <20190808192535.GA18697@roeck-us.net>
On Thu, Aug 8, 2019 at 3:31 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
> On Wed, Aug 07, 2019 at 10:56:40AM +0800, Tao Zhou wrote:
> > readq/writeq are not supported on all architectures
> >
> > Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
> > Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
>
> Regarding the claim that this would work for 32-bit x86 builds:
I wasn't talking about readq/writeq, I was talking about the atomic64
interfaces.
Alex
>
> make ARCH=i386 allmodconfig
> make ARCH=i386 drivers/gpu/drm/amd/amdgpu/amdgpu_device.o
>
> results in:
>
> ...
> CC [M] drivers/gpu/drm/amd/amdgpu/amdgpu_device.o
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function ‘amdgpu_mm_rreg64’:
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:9: error: implicit declaration of function ‘readq’;
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function ‘amdgpu_mm_wreg64’:
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:298:3: error: implicit declaration of function ‘writeq’
>
> This is with next-20190808.
>
> Guenter
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next prev parent reply other threads:[~2019-08-08 19:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 2:56 [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations Tao Zhou
2019-08-07 3:09 ` Jisheng Zhang
2019-08-07 4:02 ` Alex Deucher
2019-08-07 4:03 ` Alex Deucher
2019-08-07 7:08 ` Christoph Hellwig
2019-08-07 8:53 ` Koenig, Christian
2019-08-07 10:41 ` Christoph Hellwig
2019-08-07 10:55 ` Koenig, Christian
2019-08-07 12:59 ` Mark Brown
2019-08-07 13:00 ` Koenig, Christian
2019-08-07 13:07 ` Christoph Hellwig
2019-08-07 13:00 ` Christoph Hellwig
2019-08-07 13:03 ` Koenig, Christian
2019-08-07 18:00 ` Alex Deucher
2019-08-08 19:25 ` Guenter Roeck
2019-08-08 19:33 ` Alex Deucher [this message]
2019-08-09 9:04 ` Koenig, Christian
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