On Thu, Jul 26, 2012 at 04:33:46PM +0100, Stefano Stabellini wrote: > sync_bitops functions are equivalent to the SMP implementation of the > original functions, independently from CONFIG_SMP being defined.
So why can't the code be changed to use that? Is it that the _set_bit, _clear_bit, etc are not available with !CONFIG_SMP? > > Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> > --- > arch/arm/include/asm/sync_bitops.h | 17 +++++++++++++++++ > 1 files changed, 17 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/include/asm/sync_bitops.h > > diff --git a/arch/arm/include/asm/sync_bitops.h > b/arch/arm/include/asm/sync_bitops.h > new file mode 100644 > index 0000000..d975092903 > --- /dev/null > +++ b/arch/arm/include/asm/sync_bitops.h > @@ -0,0 +1,17 @@ > +#ifndef __ASM_SYNC_BITOPS_H__ > +#define __ASM_SYNC_BITOPS_H__ > + > +#include <asm/bitops.h> > +#include <asm/system.h> > + > +#define sync_set_bit(nr, p) _set_bit(nr, p) > +#define sync_clear_bit(nr, p) _clear_bit(nr, p) > +#define sync_change_bit(nr, p) _change_bit(nr, p) > +#define sync_test_and_set_bit(nr, p) _test_and_set_bit(nr, p) > +#define sync_test_and_clear_bit(nr, p) _test_and_clear_bit(nr, p) > +#define sync_test_and_change_bit(nr, p) _test_and_change_bit(nr, p) > +#define sync_test_bit(nr, addr) test_bit(nr, addr) > +#define sync_cmpxchg cmpxchg > + > + > +#endif > -- > 1.7.2.5 > > > _______________________________________________ > Xen-devel mailing list > xen-de...@lists.xen.org > http://lists.xen.org/xen-devel _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
