Re: [PATCH 02/22] drm/i915: introduce simple gemfs

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Mon, Sep 25, 2017 at 07:47:17PM +0100, Matthew Auld wrote:
> Not a fully blown gemfs, just our very own tmpfs kernel mount. Doing so
> moves us away from the shmemfs shm_mnt, and gives us the much needed
> flexibility to do things like set our own mount options, namely huge=
> which should allow us to enable the use of transparent-huge-pages for
> our shmem backed objects.
> 
> v2: various improvements suggested by Joonas
> 
> v3: move gemfs instance to i915.mm and simplify now that we have
> file_setup_with_mnt
> 
> v4: fallback to tmpfs shm_mnt upon failure to setup gemfs
> 
> v5: make tmpfs fallback kinder

Why do this only for one specific driver?  Shouldn't the drm core handle
this for you, for all other drivers as well?  Otherwise trying to figure
out how to "contain" this type of thing is going to be a pain (mount
options, selinux options, etc.)

thanks,

greg k-h

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