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    SubjectRe: [updated PATCH] xen: fix section usage in xen-head.S and setup.c
    Sam Ravnborg wrote:
    > Failing to specify "ax" in the pushsection caused ld to generate
    > an additional section for .init.text appending a number.

    Thanks for tracking this down. I think the "ax" appeared and
    disappeared over time, but this looks like the proper solution.

    Are you going to submit this, or do you want me to pick it up?

    > A side effect of this was a section mismatch warning because modpost
    > did not recognize a .init.text section named .init.text.1:
    > WARNING: vmlinux.o(.text.head+0x247): Section mismatch: reference to .init.text.1:start_kernel (between 'is386' and 'check_x87')
    > Fix this by hardcoding the "ax" in the pushsection.
    > Thanks to Torlaf for reporting this.
    > Alan Modra provided the hint that made me able to
    > locate the root cause of this warning.
    > And Mike Frysinger told me how to properly fix it
    > using __INIT/__FINIT.
    > Fix following Section mismatch warning in addition:
    > WARNING: vmlinux.o(.text+0x14c8): Section mismatch: reference to (between 'fiddle_vdso' and 'xen_setup_features')
    > fiddle_vdso was only used from a __init function - so declare it __init.
    > Signed-off-by: Sam Ravnborg <>
    > Cc: Jeremy Fitzhardinge <>

    Acked-by: Jeremy Fitzhardinge <>


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