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)
* g for KGDB on ppc
> 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')?
> 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.
Torsten
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