On Mon, 2009-06-29 at 16:57 +0100, David Howells wrote: > kernel mailz <[email protected]> wrote: > > > asm("sync"); > > Isn't gcc free to discard this as it has no dependencies, no indicated side > effects, and isn't required to be kept? I think this should probably be: > > asm volatile("sync");
It should also have a "memory" clobber or it's pointless since gcc would otherwise be free to move load and stores accross that barrier. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
