Re: [PATCH] UML - SYSEMU fixes

From: Jon Masters (jonathan_at_jonmasters.org)
Date: 12/07/04

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    Date:	Mon, 06 Dec 2004 23:56:59 +0000
To: Blaisorblade <blaisorblade_spam@yahoo.it>

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    Blaisorblade wrote:

    | On Sunday 05 December 2004 14:30, Jon Masters wrote:

    |>Jeff Dike wrote:
    |>| jonmasters@gmail.com said:
    |>|>That's great, but do any of these patches address various undefines in
    |>|>arch/um/kernel/process.c:check_sysemu when built without skas?

    |>| Apparently they did. I just checked with skas turned off and got a
    |>| successful build.

    | They don't - check_sysemu is used also in TT mode.

    I wasn't building for me, but I've not applied these patches yet.

    |>Good. I've got a working build on an Intel box but it's being more
    |>stubburn building for ppc in 2.6.9 - I'll post an update when I've
    |>actually looked at it.

    | PPC port is not maintained at the moment - there are some rumors of
    somebody
    | reviving it, but nothing is certain.

    I want it for unrelated reasons, but I don't want to say I'll do it
    because I probably won't find some time to do it :-)

    (I will look though - it would be nice to have UML building on ppc since
    that's what I have with me most of the time)

    |>|>Also, on 2.6.9, I get dud CFLAGS defined when CONFIG_PROF is set *and*
    |>|>CONFIG_FRAME_POINTER is also set - gcc complains about use of "-gp"
    |>|>and "-fomit-frame-pointer" but surely it should be building with frame
    |>|>pointers anyway if I've asked it to do so?

    | I saw that from someone else - I don't remember what was the problem,
    but it
    | seemed to be some strange kind of .config. Make sure that
    CONFIG_DEBUG_INFO
    | and CONFIG_FRAME_POINTER are both set (the second is the needed one, the
    | first implies the second for UML).
    |
    | "make oldconfig ARCH=um" should fix such problems.

    Nope. My config wasn't that strange either - but I'm perfectly able to
    figure out why it's breaking though. I just wanted to mention it.

    Jon.
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