On Mon, Nov 19, 2018 at 11:17:49AM +0100, Greg Kroah-Hartman wrote:
> On Mon, Nov 19, 2018 at 10:04:27AM +0800, Ming Lei wrote:
> > On Sat, Nov 17, 2018 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> > > On Sat, Nov 17, 2018 at 10:34:18AM +0800, Ming Lei wrote:
> > > > On Fri, Nov 16, 2018 at
On Mon, Nov 19, 2018 at 10:04:27AM +0800, Ming Lei wrote:
> On Sat, Nov 17, 2018 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> > On Sat, Nov 17, 2018 at 10:34:18AM +0800, Ming Lei wrote:
> > > On Fri, Nov 16, 2018 at 06:06:23AM -0800, Greg Kroah-Hartman wrote:
> > > > On Fri, Nov 16, 2018 at
On Sat, Nov 17, 2018 at 11:03:42AM +0100, Greg Kroah-Hartman wrote:
> On Sat, Nov 17, 2018 at 10:34:18AM +0800, Ming Lei wrote:
> > On Fri, Nov 16, 2018 at 06:06:23AM -0800, Greg Kroah-Hartman wrote:
> > > On Fri, Nov 16, 2018 at 07:23:11PM +0800, Ming Lei wrote:
> > > > Now q->queue_ctx is just
On Sat, Nov 17, 2018 at 10:34:18AM +0800, Ming Lei wrote:
> On Fri, Nov 16, 2018 at 06:06:23AM -0800, Greg Kroah-Hartman wrote:
> > On Fri, Nov 16, 2018 at 07:23:11PM +0800, Ming Lei wrote:
> > > Now q->queue_ctx is just one read-mostly table for query the
> > > 'blk_mq_ctx' instance from one cpu
On Fri, Nov 16, 2018 at 06:06:23AM -0800, Greg Kroah-Hartman wrote:
> On Fri, Nov 16, 2018 at 07:23:11PM +0800, Ming Lei wrote:
> > Now q->queue_ctx is just one read-mostly table for query the
> > 'blk_mq_ctx' instance from one cpu index, it isn't necessary
> > to allocate it as percpu variable.
On Fri, Nov 16, 2018 at 07:23:11PM +0800, Ming Lei wrote:
> Now q->queue_ctx is just one read-mostly table for query the
> 'blk_mq_ctx' instance from one cpu index, it isn't necessary
> to allocate it as percpu variable. One simple array may be
> more efficient.
"may be", have you run benchmarks
