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    SubjectRe: Split kgdb into "lite" and "normal" parts
    Date
    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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