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    SubjectRe: [RELEASE] Lguest for 2.6.21
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    On Thu, 2007-05-03 at 11:57 +0800, WANG Cong wrote:
    > On Thu, May 03, 2007 at 09:00:48AM +1000, Rusty Russell wrote:
    > > Thanks for the patch. This omission (in several places) was
    > >deliberate. We can't really do anything sensible if the user unmapped
    > >the page. I assume you saw a gcc warning from this code?
    >
    > Yes. In fact, I got two warnings, another one is in drivers/lguest/hypercalls.c.
    >
    > If I understand you correctly, you mean we can do nothing useful to fix it?

    We can, but we can ignore those warnings for the moment; they're
    harmless.

    > I have sent a mail which described the errors I got when comipling
    > Documentation/lguest/lguest.c. But it seems that you didn't receive it
    > (it didn't appear in lkml.org neither!).

    Hmm, no, I didn't get it here either 8(

    > It is that, I have already made my .config as you suggested, but I
    > still can't compile Documentation/lguest/lguest.c, errors are:
    >
    > lguest.c: In function 'add_to_bridge':
    > lguest.c:779: error: 'SIOCBRADDIF' undeclared (first use in this function)
    > lguest.c:779: error: (Each undeclared identifier is reported only once
    > lguest.c:779: error: for each function it appears in.)

    Ah, perhaps older libc headers? Can you try adding this to the top of
    Documentation/lguest/lguest.c after the #define BRIDGE_PFX "bridge:"

    #ifndef SIOCBRADDIF
    #define SIOCBRADDIF 0x89a2 /* add interface to bridge */
    #endif

    Thanks,
    Rusty.

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