Build breakage with omap2plus_defconfig

On Fri, Jan 07, 2011 at 06:20:43PM +0530, Anand Gadiyar wrote:

Felipe Balbi wrote:

quoted

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]'

quoted

/tmp/cc2V7p5j.s:162: Error: selected processor does not support ARM mode

`strexb r0,r2,[r4]'

quoted

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].

Thanks a lot Anand :-)

-- 
balbi