Re: [PATCH 25/69] TTY: con3215, remove tasklet for tty_wakeup

From: Heiko Carstens
Date: Tue Apr 03 2012 - 01:42:45 EST


On Mon, Apr 02, 2012 at 01:54:09PM +0200, Jiri Slaby wrote:
> tty_wakeup is safe to be called from all contexts. No need to schedule
> a tasklet for that. Let us call it directly like in other drivers.
>
> And delete the tasklet completely.

Your patch actually reverts Martin's recent commit 656d912537
"[S390] 3215 deadlock with tty_wakeup".
I'm quite sure the reason for the deadlock still exists.
Unfortunately the commit doesn't contain the call chain that
led to fix.

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