On 09/26/2017 09:17 AM, Mark Brown wrote:
On Tue, Sep 26, 2017 at 02:07:05PM +0200, Benjamin Gaignard wrote:
version 4:
- add a configuration flag to switch between legacy Ion misc device
and one device per heap version.
Should this be a switch or should it just be enabling and disabling the
legacy device with the per heap ones always availalbe? I can't see that
the new devices would do any harm or have trouble interacting with the
per heap ones. Being able to have both enabled would make things easier
for userspaces that are moving to the device per heap interface.
Agreed. We should be enabling the new interface unconditionally. The
old /dev/ion interface should coexist to allow for backwards
compatibility but keep it under a Kconfig to allow it to be turned off
for security or other reasons.
Thanks,
Laura
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