On Fri, Sep 05, 2014 at 01:34:52PM -0700, H. Peter Anvin wrote: > On 09/05/2014 01:14 PM, Peter Hurley wrote: > > > > Here's how I read the two statements. > > > > First, the commit message: > > > > "It [this commit] documents that CPUs [supported by the Linux kernel] > > _must provide_ atomic one-byte and two-byte naturally aligned loads and stores." > > > > Second, in the body of the document: > > > > "The Linux kernel no longer supports pre-EV56 Alpha CPUs, because these > > older CPUs _do not provide_ atomic one-byte and two-byte loads and stores." > > > > Does this apply in general or only to SMP configurations? I guess > non-SMP configurations would still have problems if interrupted in the > wrong place... And preemption could cause problems, too. So I believe that it needs to be universal. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
