Messages in this thread | | | Date | Sat, 6 Jan 2007 12:04:36 -0800 | From | Randy Dunlap <> | Subject | Re: [PATCH] sysrq: showBlockedTasks is sysrq-W |
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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 <randy.dunlap@oracle.com> > > > > 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.
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