Re: status of the Altix mmtimer driver

From: Dimitri Sivanich
Date: Fri May 26 2017 - 09:05:47 EST


Note that the mmtimer struct can probably be removed from the k_itimer struct
in include/linux/posix-timers.h, just for completeness.

--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -73,12 +73,6 @@ struct k_itimer {
} real;
struct cpu_timer_list cpu;
struct {
- unsigned int clock;
- unsigned int node;
- unsigned long incr;
- unsigned long expires;
- } mmtimer;
- struct {
struct alarm alarmtimer;
ktime_t interval;
} alarm;

On Tue, May 23, 2017 at 07:36:01PM -0500, Dimitri Sivanich wrote:
> Since this is SN2 specific, this can be removed.
>
> On Tue, May 23, 2017 at 05:27:16PM +0200, Thomas Gleixner wrote:
> > On Tue, 23 May 2017, Christoph Hellwig wrote:
> >
> > Cc: + Mike
> >
> > > Hi folks,
> > >
> > > what's the status of the SGI support for the IA64 SN2-specific
> > > altic mmtimer (drivers/char/mmtimer.c)? It's the only driver that
> > > register a k_lock outside the core kernel, so if we could get rid of
> > > it because the remaining IA64 user are all on somewhat old distros
> > > anyway it would make our life a whole lot easier.
> > >