[parisc-linux] Re:[parisc-linux-cvs] linux-2.6 kyle

[Grant Grundler]

On Wed, Aug 23, 2006 at 06:45:47PM +0200, Joel Soete wrote:
> (the idea was so that sync would force the write back to ram but then I read
> more about memory strongly/weakly ordering and so became less sure?)

Simple explanation: "sync" instruction enforces an "ordering" (completion)
of all previous instructions.

AFAIK the CPU will respect ordering for memory accesses at all times.

grant