Re: [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 7 Aug 2019 00:08:34 -0700
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx, alexander.deucher@xxxxxxx, hawking.zhang@xxxxxxx, dennis.li@xxxxxxx, broonie@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, christian.koenig@xxxxxxx, linux-next@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, kernel-build-reports@xxxxxxxxxxxxxxxx
In-reply-to: <20190807025640.682-1-tao.zhou1@amd.com>
References: <20190807025640.682-1-tao.zhou1@amd.com>
User-agent: Mutt/1.11.4 (2019-03-13)

On Wed, Aug 07, 2019 at 10:56:40AM +0800, Tao Zhou wrote:
> readq/writeq are not supported on all architectures

NAK.  You must not use atomic_* on __iomem (MMIO) memory.

Follow-Ups:
- Re: [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations
  - From: Koenig, Christian

References:
- [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations
  - From: Tao Zhou

Prev by Date: linux-next: manual merge of the akpm-current tree with the arm64 tree
Next by Date: linux-next: build failure after merge of the akpm-current tree
Previous by thread: Re: [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations
Next by thread: Re: [PATCH] drm/amdgpu: replace readq/writeq with atomic64 operations
Index(es):
- Date
- Thread

[Index of Archives] [Linux Kernel] [Linux USB Development] [Yosemite News] [Linux SCSI]

Powered by Linux