Re: [PATCH] media: add GFP flag to media_*() that could get called in atomic context

From: Sakari Ailus
Date: Mon Mar 14 2016 - 03:23:00 EST

Hi Shuah,

On Sat, Mar 12, 2016 at 06:48:09PM -0700, Shuah Khan wrote:
> Add GFP flags to media_create_pad_link(), media_create_intf_link(),
> media_devnode_create(), and media_add_link() that could get called
> in atomic context to allow callers to pass in the right flags for
> memory allocation.
> tree-wide driver changes for media_*() GFP flags change:
> Change drivers to add gfpflags to interffaces, media_create_pad_link(),
> media_create_intf_link() and media_devnode_create().
> Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> Suggested-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>

What's the use case for calling the above functions in an atomic context?


Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx