Messages in this thread | | | From | "Amit S. Kale" <> | Subject | Re: Split kgdb into "lite" and "normal" parts | Date | Wed, 25 Feb 2004 12:49:28 +0530 |
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On Wednesday 25 Feb 2004 5:08 am, Tom Rini wrote: > On Wed, Feb 25, 2004 at 12:27:03AM +0100, Pavel Machek wrote: > > Hi! > > > > > > > > Tested (core-lite.patch + i386-lite.patch + 8250.patch) > > > > > > combination. Looks good. > > > > > > > > > > > > Let's first check this in and then do more cleanups. > > > > > > Tom, does it sound ok? > > > > > > > > > > This sounds fine to me. Pavel, I'm guessing you did this with > > > > > quilt, could you provide some pointers on how to replicate this in > > > > > the future? > > > > > > > > Unfortunately, I done it by hand :-(. But if -lite parts are not > > > > merged, soon, I'll be forced to start using quilt. Doing stuff by > > > > hand is quite painfull... > > > > > > There's still a whole bunch of bogons in the -lite patch still, so I > > > don't think it should be merged yet. > > > > Well, it seems to contains a *lot* less bogons than what currently is > > in -mm series. > > > > What big problems do you see? It does not yet use weak symbols, but I > > do not think that's a serious problem. What else? > > The first two big ones are: > - Doesn't like gdb 6.0 (You cannot assume the first packet is Hc...)
Can you tell me more about this?
> - Wierdities with kgdb_killed_or_detached / kgdb_might_be_resumed > (both can die).
Yes. These have to be thought over again. I don't think a perfect solution exists for all problems related to gdb kill/die followed by a reattach. We should attempt a proper design describing different scenarios.
> - All of the function pointer games (of which the weak symbols, but not > all of them) are a part of. > - Issues w/ handling 'D' and 'k' packets cleaner (and I think there was > a correctness fix in there, too, but it was a while ago).
Is this wrt kgdb_killed.., kgdb_might..., remove breakpoints?
> - Don't ACK packets sitting on the line
More info please.
-Amit
> - kgdb_schedule/process_breakpoint, required for kgdboe, harmless to use > on serial. > > There's still a lot of stuff I checked into linux-2.6-kgdb that's > non-trivially important > (http://ppc.bkbits.net:8080/linux-2.6-kgdb/ChangeSet@-4w?nav=index.html)
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