Re: your mail

• Previous message: Laughlin, Joseph V: "Modifying kernel so that non-root users have some root capabilities"
• In reply to: Laughlin, Joseph V: "(no subject)"
• Next in thread: Marc-Christian Petersen: "Re: your mail"
• Reply: Marc-Christian Petersen: "Re: your mail"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Date:	Tue, 25 May 2004 00:30:22 +0200
To: "Laughlin, Joseph V" <Joseph.V.Laughlin@boeing.com>

On Mon, May 24, 2004 at 03:20:33PM -0700, Laughlin, Joseph V wrote:
> I've been tasked with modifying a 2.4 kernel so that a non-root user can
> do the following:
>
> Dynamically change the priorities of processes (up and down)
> Lock processes in memory
> Can change process cpu affinity
>
> Anyone got any ideas about how I could start doing this? (I'm new to
> kernel development, btw.)

check the kernel capability system ...
(it's quite simple)

#define CAP_SYS_NICE 23
#define CAP_IPC_LOCK 14

cpu scheduler affinity isn't part of 2.4 AFAIK
so there is no easy way to 'control' it ...

HTH,
Herbert

> Thanks,
>
> Joe Laughlin
> Phantom Works - Integrated Technology Development Labs
> The Boeing Company
>
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

• Previous message: Laughlin, Joseph V: "Modifying kernel so that non-root users have some root capabilities"
• In reply to: Laughlin, Joseph V: "(no subject)"
• Next in thread: Marc-Christian Petersen: "Re: your mail"
• Reply: Marc-Christian Petersen: "Re: your mail"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]