lkml.org 
[lkml]   [2012]   [Jun]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] x86,nmi: Fix section mismatch warnings on 32-bit
    On Tue, Jun 05, 2012 at 04:42:20PM +0100, Jan Beulich wrote:
    > >>> On 05.06.12 at 16:47, Don Zickus <dzickus@redhat.com> wrote:
    > > On Tue, Jun 05, 2012 at 09:12:13AM +0100, Jan Beulich wrote:
    > >> So before applying a change like this, I'd really like to understand
    > >> the issue itself. Could you simply attach the nmi_selftest.o file
    > >> that you get without your patch here (and indicate which
    > >> upstream version or revision the corresponding source file was
    > >> from, to be able to re-construct what the compiler actually did)?
    > >
    > > I could but it might be easier for you to re-create it on your end.
    > > Using gcc-4.4.4 on an x86_64 box and v3.5-rc1, I just set
    > > CONFIG_DEBUG_NMI_SELFTEST to 'y' and compile with
    > >
    > > make ARCH=i386 O=out/i686
    > >
    > > and it easily reproduces for me.
    >
    > I don't think I have a plain 4.4.4 around anywhere, nor is it clear
    > whether you used a plain one (and how it was configured). For
    > tricky, highly version dependent things like this (where a compiler
    > bug also can't be excluded), having the _exact_ object file the
    > problem was seen with would be much easier than trying to hunt
    > down a compiler version that I can reproduce this with.

    I didn't think it would be compiler dependent as I do not know what
    compiler the reporter was using. I used a RHEL-6 4.4.4 compiler (which
    you probably don't have :^) ).

    I attached a gzip'd copy of my nmi_selftest.o file for your debugging.

    Cheers,
    Don
    [unhandled content-type:application/x-gzip]
    \
     
     \ /
      Last update: 2012-06-05 21:01    [W:0.028 / U:28.920 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site