Re: [Xen-devel] [PATCH v2] introduce and use relaxed cpumask bitops

2015-02-18 Thread Ian Campbell
On Wed, 2015-02-11 at 13:42 +, Jan Beulich wrote: > Using atomic (LOCKed on x86) bitops for certain of the operations on > cpumask_t is overkill when the variables aren't concurrently accessible > (e.g. local function variables, or due to explicit locking). Introduce > alternatives using non-at

Re: [Xen-devel] [PATCH v2] introduce and use relaxed cpumask bitops

2015-02-11 Thread Andrew Cooper
On 11/02/15 13:42, Jan Beulich wrote: > Using atomic (LOCKed on x86) bitops for certain of the operations on > cpumask_t is overkill when the variables aren't concurrently accessible > (e.g. local function variables, or due to explicit locking). Introduce > alternatives using non-atomic bitops and