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    SubjectRe: 2.6.21-rc7-mm2 -- x86_64 VDSO compile error II
    Date
    On Thursday 26 April 2007 15:27:36 Mel Gorman wrote:
    > On (26/04/07 13:16), Andy Whitcroft didst pronounce:
    > > Getting the following on an x86_64 numa box:
    > >
    > > CC arch/x86_64/vdso/vclock_gettime.o
    > > arch/x86_64/vdso/vclock_gettime.c:1: error: code model `small' not
    > > supported in the 32 bit mode
    > > make[1]: *** [arch/x86_64/vdso/vclock_gettime.o] Error 1
    > > make: *** [arch/x86_64/vdso] Error 2
    > >
    > > Kernel config here: http://test.kernel.org/abat/85358/build/dotconfig
    > >
    >
    > Hi Andi,
    >
    > Backing out x86_64-mm-vdso.patch allowed this kernel to build and boot
    > successful on the machine in question (elm3b6). The backout caused one reject
    > in Documentation/kernel-parameters but otherwise backed out easily. It's
    > not super-clear why it fails to build. If you want me to try another patch,
    > make sure I'm cc'd and I'll give it a spin.


    Or please try this simple patch.

    -Andi

    Index: linux/arch/x86_64/vdso/Makefile
    ===================================================================
    --- linux.orig/arch/x86_64/vdso/Makefile
    +++ linux/arch/x86_64/vdso/Makefile
    @@ -32,7 +32,7 @@ $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso
    $(obj)/vdso.so: $(src)/vdso.lds $(vobjs) FORCE
    $(call if_changed,syscall)

    -CF := $(PROFILING) -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables
    +CF := $(PROFILING) -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables -m64

    $(obj)/vclock_gettime.o: CFLAGS = $(CF)
    $(obj)/vgetcpu.o: CFLAGS = $(CF)
    -
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