Subject: Re: [Swsusp-devel] Re: Dropping CONFIG_PM_DISK?
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Michael Frank <mhf@linuxmail.org>
Cc: Micha Feigin <michf@post.tau.ac.il>,
       Software suspend <swsusp-devel@lists.sourceforge.net>,
       Linux Kernel list <linux-kernel@vger.kernel.org>
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> Appreciated, suspending a driver like sending XOFF to a tty is ideal,
> but not neccessary for _most_ drivers (software suspend) purpose.
> 
> Wrt IDE, in practice all processes get frozen well before
> suspending drivers. Tested and no issues were ever reported with 2.4.

It is still fragile. I have seen IDE requests slipping in anyway.

But IDE isn't a problem, I wrote a working PM implementation for
IDE in 2.6. 

> > Moving to the new model is easy. I don't see why we should have had
> > such a "compatibility" path on a major kernel version, that makes
> > no sense, just help fixing the drivers that need more fixing instead.
> 
> What for write new drivers for (fast obsoleting) hardware?.

Ok, you are at troll, no need to argue more.


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