On Sat, 6 Jan 2007 20:19:29 +0100 Torsten Kaiser wrote:
> On Saturday 06 January 2007 19:25, Randy Dunlap wrote:
> > On Fri, 5 Jan 2007 20:36:05 +0100 Olaf Hering wrote:
> > >
> > > Weird, who failed to run this command before adding new stuff?!
> > > find * -type f -print0 | xargs -0 env -i grep -nw register_sysrq_key
> > >
> > > sysrq x is for xmon, see arch/powerpc/xmon/xmon.c
> > > Better switch the new stuff to 'z' or 'w'
>
> Also used:
> * c for kexec/crashdump and emac (drivers/net/ibm_emac/ibm_emac_debug.c)
ibm_emac is ppc 4xx only. Does kexec/crashdump work on that
platform or are they mutually exclusive?
> * g for KGDB on ppc
Is that in mainline?
> > From: Randy Dunlap <[email protected]>
> >
> > SysRq showBlockedTasks is not done via B or T, it's done via W,
> > so put that in the Help message.
> >
> > It was previously done via X, but X is already used for Xmon
> > on powerpc platforms and this collision needs to be avoided.
>
> > @@ -342,8 +342,8 @@ static struct sysrq_key_op *sysrq_key_ta
> > &sysrq_mountro_op, /* u */
> > /* May be assigned at init time by SMP VOYAGER */
> > NULL, /* v */
>
> Nice marker that v is in use.
>
> > - NULL, /* w */
> > - &sysrq_showstate_blocked_op, /* x */
> > + &sysrq_showstate_blocked_op, /* w */
> > + NULL, /* x */
>
> Wouldn't it be better to also put an marker for xmon here?
> And marker for 'c' and 'g' (maybe even 'h')?
OK, I'll do that.
> > NULL, /* y */
> > NULL /* z */
> > };
>
> Also Documentation/sysrq.txt is not uptodate.
>
> It is missing c (emac meaning), d (lockdep), n (un-RT), q (timer), w
> (blocked) and x (xmon), but is documenting 'l' with no longer seems to be
> implemented.
and I'll look into that. Thanks.
---
~Randy
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