Re: [PATCH] gpu: Consistently use octal not symbolic permissions

From: Jani Nikula
Date: Fri May 25 2018 - 07:59:51 EST


On Thu, 24 May 2018, Joe Perches <joe@xxxxxxxxxxx> wrote:
> On Fri, 2018-05-25 at 09:41 +0300, Jani Nikula wrote:
>> On Thu, 24 May 2018, Joe Perches <joe@xxxxxxxxxxx> wrote:
>> > There is currently a mixture of octal and symbolic permissions uses
>> > in files in drivers/gpu/drm and one file in drivers/gpu.
>> >
>> > There are ~270 existing octal uses and ~115 S_<FOO> uses.
>> >
>> > Convert all the S_<FOO> symbolic permissions to their octal equivalents
>> > as using octal and not symbolic permissions is preferred by many as more
>> > readable.
>> >
>> > see: https://lkml.org/lkml/2016/8/2/1945
>> >
>> > Done with automated conversion via:
>> > $ ./scripts/checkpatch.pl -f --types=SYMBOLIC_PERMS --fix-inplace <files...>
>> >
>> > Miscellanea:
>> >
>> > o Wrapped modified multi-line calls to a single line where appropriate
>> > o Realign modified multi-line calls to open parenthesis
>> > o drivers/gpu/drm/msm/adreno/a5xx_debugfs.c has a world-writeable
>> > debug permission for "reset" - perhaps that should be modified
>> > Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
>> > ---
>> > drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +-
>> > drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 98 +++++++++++-----------
>> > drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 +-
>> > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 9 +-
>> > drivers/gpu/drm/armada/armada_debugfs.c | 4 +-
>> > drivers/gpu/drm/drm_debugfs.c | 6 +-
>> > drivers/gpu/drm/drm_debugfs_crc.c | 4 +-
>> > drivers/gpu/drm/drm_sysfs.c | 2 +-
>> > drivers/gpu/drm/i915/gvt/firmware.c | 2 +-
>> > drivers/gpu/drm/i915/i915_debugfs.c | 8 +-
>> > drivers/gpu/drm/i915/i915_perf.c | 2 +-
>> > drivers/gpu/drm/i915/i915_sysfs.c | 22 ++---
>> > drivers/gpu/drm/i915/intel_pipe_crc.c | 2 +-
>>
>> Please send at least i915 changes separately. There's zero reason to
>> make our lives harder for this change.
>
> The idea is to avoid unnecessary multiple patches for
> individual trees.

You're changing like a dozen trees. And apparently maintainers of
different trees also have different opinions on whether this is a good
idea or not. Mass changes like this go nowhere, and if they do, will
cause unnecessary conflicts that could have been trivially avoided.

BR,
Jani.

> But you could do that via something like:
>
> $ git am --include='drivers/gpu/drm/i915/*' <patch>
>
> cheers, Joe
>

--
Jani Nikula, Intel Open Source Graphics Center