On 08/08/2012 09:25 AM, Liu Ping Fan wrote: > From: Liu Ping Fan <pingf...@linux.vnet.ibm.com> > > If out of global lock, we will be challenged by SMP in low level, > so need atomic ops. > > This file is heavily copied from kernel. Currently, only x86 atomic ops > included, and will be extended for other arch for future. >
I propose we use gcc builtins. We get automatic architecture support, and tuning for newer processors if the user so chooses. http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Atomic-Builtins.html In May 2031 we can switch to C11 atomics. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
