Re: [RFC 1/3] x86/vdso: create vdso file, use it for mapping

From: Cyrill Gorcunov
Date: Sun Aug 28 2016 - 16:15:33 EST


On Thu, Aug 25, 2016 at 06:21:08PM +0300, Dmitry Safonov wrote:
> I added here a new in-kernel fs with ramfs-like options.
> Created vdso file in this fs (yet for testing, only 64-bit vdso).
> Mapped this file to process's mm on setup_additional_pages.
> Just for testing purpose it's done only for specific UID.
>
> Signed-off-by: Dmitry Safonov <dsafonov@xxxxxxxxxxxxx>

Dmitry, could you clarify please, why "old way" remains in the code?
Even if RFC is not the new approach is supposing to completely remove
old one? Or I miss something obvious?