On Tue, 2008-05-27 at 09:47 -0700, Linus Torvalds wrote: > > __read[bwlq]()/__write[bwlq]() are not serialized with a :"memory" > barrier, although since they still use "asm volatile" I suspect that > i > practice they are probably serial too. Did not look very closely at > any > generated code (only did a trivial test to see that the code looks > *roughly* correct).
Nah, asm volatile doesn't help, it does need the "memory" clobber too. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
