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    SubjectRe: [Kgdb-bugreport] [KGDB PATCH][1/7] Add / use kernel/Kconfig.kgdb
    Date
    On Saturday 28 Feb 2004 6:38 am, George Anzinger wrote:
    > Pavel Machek wrote:
    > > Hi!
    > >
    > >>>+config KGDB_THREAD
    > >>>+ bool "KGDB: Thread analysis"
    > >>>+ depends on KGDB
    > >>>+ help
    > >>>+ With thread analysis enabled, gdb can talk to kgdb stub to list
    > >>>+ threads and to get stack trace for a thread. This option also
    > >>>enables
    > >>>+ some code which helps gdb get exact status of thread. Thread
    > >>>analysis
    > >>>+ adds some overhead to schedule and down functions. You can disable
    > >>>+ this option if you do not want to compromise on speed.
    > >>
    > >>Lets remove the overhead and eliminate the need for this option in favor
    > >> of always having threads. Works in the mm kgdb...
    > >
    > > No. Thread analysis is unsuitable for the mainline (manipulates
    > > sched.c in ugly way). It may be okay for -mm, but in such case it
    > > should better be separated.
    >
    > Not in the -mm version. I agree that sched.c should NEVER be treated this
    > way and it is not in the -mm version. I also think that, most of the time,
    > it is useful to have the thread stuff, but that may be just my usage...

    If threads stuff didn't introduce any unclean code changes, I too would prefer
    to have it on all the time. As things stands, threads stuff is rather
    intrusive.

    -Amit

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