On Sat, 9 Jul 2022 00:04:27 +0200
Morten Brørup wrote:
> Always the creative mind, Stephen. :-)
>
> You might consider adding/updating even more comments.
>
> Acked-by: Morten Brørup
The motivation is that our work load is reader/writer lock heavy
with small number of threads. Therefore the n
On Sat, 9 Jul 2022 00:04:27 +0200
Morten Brørup wrote:
> > > typedef struct {
> > > - volatile int32_t cnt; /**< -1 when W lock held, > 0 when R locks
> > held.
> > > */
> > > + volatile int32_t cnt;
>
> Not signed anymore, so consider uint32_t. Suggest also rename to cnt_state or
> simi
> From: Honnappa Nagarahalli [mailto:honnappa.nagaraha...@arm.com]
> Sent: Friday, 8 July 2022 21.22
>
>
> >
> > The original reader/writer lock in DPDK can cause a stream of readers
> to
> > starve writers.
> >
> > The new version uses an additional bit to indicate that a writer is
> waiting and
>
> The original reader/writer lock in DPDK can cause a stream of readers to
> starve writers.
>
> The new version uses an additional bit to indicate that a writer is waiting
> and
> which keeps readers from starving the writer.
This addition makes sense.
I am wondering if we should create a ne
The original reader/writer lock in DPDK can cause a stream
of readers to starve writers.
The new version uses an additional bit to indicate that a writer
is waiting and which keeps readers from starving the writer.
Signed-off-by: Stephen Hemminger
---
Would like this to be in 22.11, but needs so
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