RE: Build breakage with omap2plus_defconfig

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Felipe Balbi wrote:
> Hi all,
>
> Today's Linus' tree
> (01539ba2a706ab7d35fc0667dff919ade7f87d63) fails to
> build with omap2plus_defconfig:
>
> $ crossmake
>   CHK     include/linux/version.h
>   CHK     include/generated/utsrelease.h
> make[1]: `include/generated/mach-types.h' is up to date.
>   CALL    scripts/checksyscalls.sh
>   CHK     include/generated/compile.h
>   CC      arch/arm/kernel/swp_emulate.o
> /tmp/cc2V7p5j.s: Assembler messages:
> /tmp/cc2V7p5j.s:161: Error: selected processor does not support ARM mode
`ldrexb r3,[r4]'
> /tmp/cc2V7p5j.s:162: Error: selected processor does not support ARM mode
`strexb r0,r2,[r4]'
> make[1]: *** [arch/arm/kernel/swp_emulate.o] Error 1
> make: *** [arch/arm/kernel] Error 2

I haven't found a way around this other than to turn off
CONFIG_SWP_EMULATE. Here's a patch doing that [1].

The discussion thread is here [2].

- Anand

[1] http://marc.info/?l=linux-omap&m=129140165126953&w=2
[2] http://marc.info/?t=128748412500003&r=1&w=2
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