From: Andrew Morton <a...@linux-foundation.org> Date: Mon, 27 Oct 2014 14:09:38 -0700
> Perhaps sparc should be defining CONFIG_HAVE_GENERIC_RCU_GUP. > > We really should switch x86 to the generic version - from a quick read > it looks like it will work without needing any changes. > > Steve, thoughts? We need to add the necessary hooks to the generic code so that x86 doesn't so specualtive gets and instead do direct increments, otherwise it's a performance regression, and then sparc can make use of that as well. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
