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    SubjectRe: build breakage -- paravirt_{alloc,free}_ldt

    * Jaswinder Singh Rajput <jaswinderlinux@gmail.com> wrote:

    > On Mon, Jan 12, 2009 at 4:42 PM, Jiri Kosina <jkosina@suse.cz> wrote:
    > > On Mon, 12 Jan 2009, Ingo Molnar wrote:
    > >
    > >> > with Linus' tree (ae04d14015) doesn't build for me with
    > >> >
    > >> > arch/x86/kernel/ldt.c: In function 'alloc_ldt':
    > >> > arch/x86/kernel/ldt.c:55: error: implicit declaration of function 'paravirt_alloc_ldt'
    > >> > arch/x86/kernel/ldt.c:79: error: implicit declaration of function 'paravirt_free_ldt'
    > >> >
    > >> > Config on http://www.jikos.cz/jikos/junk/.config
    > >>
    > >> hm, it builds fine here with your config. Did .28 build fine for you? The
    > >> only change to this file since .28 has been Jaswinder's "423a540: x86:
    > >> ldt.c fix style problems".
    > >
    > > Puzzled. On one system, I still get this build error even after make
    > > mrpoper (I use this machine to build kernel routinely, so it certainly
    > > didn't happen a few days ago).
    > >
    > > But I just tried on different system, and there is builds flawlessly. It's
    > > gcc 4.3.1 vs 4.3.2. I will check a little bit more.
    > >
    >
    > I am using gcc 4.3.2
    >
    > Please check 'git diff' if by mistake some thing is gone wrong or check
    > 'git log'

    That wont show working tree corruption.

    Safest is to move away the working tree into a backup directory and check
    out the tree again:

    cd linux
    mkdir ../linux-backup
    mv * ../linux-backup

    git checkout HEAD .

    then, if this solves the build problem, do some forensics by looking at:

    diff -rNu ../linux-backup ../linux'

    Ingo


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