Re: [PATCH] [request for inclusion] Realtime LSM

[Matt Mackall]

On Mon, Mar 07, 2005 at 10:45:05PM -0800, Chris Wright wrote:
> * Matt Mackall (mpm@xxxxxxxxxxx) wrote:
> > On Mon, Mar 07, 2005 at 07:50:20PM -0800, Andrew Morton wrote:
> > > Consider this a prod in the direction of those who were pushing
> > > alternatives ;)
> > 
> > I think Chris Wright's last rlimit patch is more sensible and ready to
> > go. And I think I may have even convinced Ingo on this point before
> > the conversation died last time around. So here's that patch again,
> > updated to 2.6.11. Compiles cleanly. Chris, please add a signed-off-by.
> 
> Only very minor nits below.
> 
> > Add a pair of rlimits for allowing non-root tasks to raise nice and rt
> > priorities. Defaults to traditional behavior. Originally written by
> > Chris Wright.
> > 
> > Signed-off-by: Matt Mackall <mpm@xxxxxxxxxxx>
> > 
> > Index: rlimits/include/asm-generic/resource.h
> > ===================================================================
> > --- rlimits.orig/include/asm-generic/resource.h	2005-03-02 18:30:27.000000000 -0800
> > +++ rlimits/include/asm-generic/resource.h	2005-03-07 20:21:04.000000000 -0800
> > @@ -20,8 +20,10 @@
> >  #define RLIMIT_LOCKS		10	/* maximum file locks held */
> >  #define RLIMIT_SIGPENDING	11	/* max number of pending signals */
> >  #define RLIMIT_MSGQUEUE		12	/* maximum bytes in POSIX mqueues */
> > -
> > -#define RLIM_NLIMITS		13
> > +#define RLIMIT_NICE	13		/* max nice prio allowed to raise to
> > +					   0-39 for nice level 19 .. -20 */
> > +#define RLIMIT_RTPRIO	14		/* maximum realtime priority */
> 
> Needs one more tab to keep in line with rest.

That's just tab damage from the patch.
 
> > +#define RLIM_NLIMITS		15
> 
> 
> >  #endif
> >  
> >  /*
> > @@ -53,6 +55,8 @@
> >  	[RLIMIT_LOCKS]		= { RLIM_INFINITY, RLIM_INFINITY },	\
> >  	[RLIMIT_SIGPENDING]	= { MAX_SIGPENDING, MAX_SIGPENDING },	\
> >  	[RLIMIT_MSGQUEUE]	= { MQ_BYTES_MAX, MQ_BYTES_MAX },	\
> > +	[RLIMIT_NICE]		= { 0, 0 }, \
> > +	[RLIMIT_RTPRIO]		= { 0, 0 }, \
> 
> Might as well fit in with rest of file on these too.
> 
> Also, missed alpha, sparc, sparc64, and mips.  BTW, where's that last
> cleanup from Ingo to consolidate these?  Ah, just saw these are inflight
> to Linus' tree, nevermind.

Uhh, is that not what I've already done above?
 
> -#define RLIM_NLIMITS		13
> +#define RLIMIT_NICE		13	/* max nice prio allowed to raise to
> +					   0-39 for nice level 19 .. -20 */
> +#define RLIMIT_RTPRIO		14	/* maximum realtime priority */

Heh.

Anyway...

-- 
Mathematics is the supreme nostalgia of our time.
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