On Tue, 2006-07-18 at 00:00 -0700, Chris Wright wrote:
> plain text document attachment (synch-ops)
> Add "always lock'd" implementations of set_bit, clear_bit and
> change_bit and the corresponding test_and_ functions. Also add
> "always lock'd" implementation of cmpxchg. These give guaranteed
> strong synchronisation and are required for non-SMP kernels running on
> an SMP hypervisor.
Hi,
this sounds really like the wrong approach; you know you're compiling
for xen, so why not just make set_bit() and the others use the lock'd
instructions at compile time?
Greetings,
Arjan van de Ven
