On 12/07/2012 11:30 AM, Joshua Brindle wrote:
> while trying to figure out labels for devices on mako I came across
> /dev/kgsl-3d0, which appears to be the gpu (it is created by
> kernel/msm/arch/arm/mach-msm/lge/mako/board-mako-gpu.c) so I labeled
> it video_device (which I believe is used for this sort of thing).
> Unfortunately, and to my dismay it looks like everything in the OS
> accesses this directly:
>
> <5>[ 527.752540] type=1400 audit(1354896491.180:94): avc: denied {
> ioctl } for pid=973 comm="ndroid.launcher" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:shared_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 527.761086] type=1400 audit(1354896491.190:95): avc: denied {
> read write } for pid=802 comm="ndroid.systemui" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:platform_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 527.870532] type=1400 audit(1354896491.300:96): avc: denied {
> read write } for pid=973 comm="ndroid.launcher" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:shared_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 734.848283] type=1400 audit(1354897348.627:108): avc: denied {
> ioctl } for pid=973 comm="ndroid.launcher" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:shared_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 734.894033] type=1400 audit(1354897348.678:110): avc: denied {
> ioctl } for pid=802 comm="ndroid.systemui" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:platform_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 734.915763] type=1400 audit(1354897348.688:112): avc: denied {
> read write } for pid=802 comm="ndroid.systemui" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:platform_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
> <5>[ 734.937402] type=1400 audit(1354897348.718:113): avc: denied {
> read write } for pid=973 comm="ndroid.launcher" path="/dev/kgsl-3d0"
> dev="tmpfs" ino=8305 scontext=u:r:shared_app:s0
> tcontext=u:object_r:video_device:s0 tclass=chr_file
>
> Should I create a new type? What would it be? Perhaps I'm
> misunderstanding what this device is for. Anyone have ideas?
>
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Looks like graphics_device to me. I had a similar problem with the manta
gpu. I made a new type.
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