Adding "--param allow-store-data-races=0" to the GCC options for the
kernel breaks C=1 because Sparse isn't expecting a GCC option with that
format.

It thinks allow-store-data-races=0 is the name of the file we are trying
to test.  Try use Sparse on linux-next to see the problem.

$ make C=2 mm/slab_common.o
  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHECK   scripts/mod/empty.c
No such file: allow-store-data-races=0
make[2]: *** [scripts/mod/empty.o] Error 1
make[1]: *** [scripts/mod] Error 2
make: *** [scripts] Error 2
$

regards,
dan carpenter

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