Hello,
On Wed, Oct 04, 2017 at 03:20:40AM +0800, Ming Lei wrote:
> On Tue, Oct 03, 2017 at 07:14:59AM -0700, Tejun Heo wrote:
> > Hello,
> >
> > On Tue, Oct 03, 2017 at 10:04:03PM +0800, Ming Lei wrote:
> > > Block layer need to call this function after holding
> > > rcu lock in a real hot path,
On Tue, Oct 03, 2017 at 06:40:24PM +, Bart Van Assche wrote:
> On Tue, 2017-10-03 at 22:04 +0800, Ming Lei wrote:
> > Block layer need to call this function after holding
> > rcu lock in a real hot path, so introduce this helper.
>
> Since it is allowed to nest rcu_read_lock_sched() calls I do
On Tue, Oct 03, 2017 at 07:14:59AM -0700, Tejun Heo wrote:
> Hello,
>
> On Tue, Oct 03, 2017 at 10:04:03PM +0800, Ming Lei wrote:
> > Block layer need to call this function after holding
> > rcu lock in a real hot path, so introduce this helper.
>
> The patch description is too anemic. It doesn'
On Tue, 2017-10-03 at 22:04 +0800, Ming Lei wrote:
> Block layer need to call this function after holding
> rcu lock in a real hot path, so introduce this helper.
Since it is allowed to nest rcu_read_lock_sched() calls I don't think
that this patch is necessary.
Bart.
Hello,
On Tue, Oct 03, 2017 at 10:04:03PM +0800, Ming Lei wrote:
> Block layer need to call this function after holding
> rcu lock in a real hot path, so introduce this helper.
The patch description is too anemic. It doesn't even describe what
changes are being made, let alone justifying them.
Block layer need to call this function after holding
rcu lock in a real hot path, so introduce this helper.
Cc: Bart Van Assche
Cc: Tejun Heo
Signed-off-by: Ming Lei
---
include/linux/percpu-refcount.h | 27 +--
1 file changed, 17 insertions(+), 10 deletions(-)
diff --
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