Hi Waiman,
On Tue, Aug 07, 2018 at 07:29:49PM -0400, Waiman Long wrote:
> On 07/24/2018 03:10 PM, Waiman Long wrote:
> > diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c
> > index 3064c50..01fcb80 100644
> > --- a/kernel/locking/rwsem-xadd.c
> > +++
Hi Waiman,
On Tue, Aug 07, 2018 at 07:29:49PM -0400, Waiman Long wrote:
> On 07/24/2018 03:10 PM, Waiman Long wrote:
> > diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c
> > index 3064c50..01fcb80 100644
> > --- a/kernel/locking/rwsem-xadd.c
> > +++
On 07/24/2018 03:10 PM, Waiman Long wrote:
> It was discovered that a constant stream of readers with occassional
> writers pounding on a rwsem may cause many of the readers to enter the
> slowpath unnecessarily thus increasing latency and lowering performance.
>
> In the current code, a reader
On 07/24/2018 03:10 PM, Waiman Long wrote:
> It was discovered that a constant stream of readers with occassional
> writers pounding on a rwsem may cause many of the readers to enter the
> slowpath unnecessarily thus increasing latency and lowering performance.
>
> In the current code, a reader
On Tue, Jul 24, 2018 at 03:10:25PM -0400, Waiman Long wrote:
> It was discovered that a constant stream of readers with occassional
> writers pounding on a rwsem may cause many of the readers to enter the
> slowpath unnecessarily thus increasing latency and lowering performance.
>
> In the
On Tue, Jul 24, 2018 at 03:10:25PM -0400, Waiman Long wrote:
> It was discovered that a constant stream of readers with occassional
> writers pounding on a rwsem may cause many of the readers to enter the
> slowpath unnecessarily thus increasing latency and lowering performance.
>
> In the
On Tue, 24 Jul 2018, Waiman Long wrote:
It was discovered that a constant stream of readers with occassional
writers pounding on a rwsem may cause many of the readers to enter the
slowpath unnecessarily thus increasing latency and lowering performance.
In the current code, a reader entering
On Tue, 24 Jul 2018, Waiman Long wrote:
It was discovered that a constant stream of readers with occassional
writers pounding on a rwsem may cause many of the readers to enter the
slowpath unnecessarily thus increasing latency and lowering performance.
In the current code, a reader entering
It was discovered that a constant stream of readers with occassional
writers pounding on a rwsem may cause many of the readers to enter the
slowpath unnecessarily thus increasing latency and lowering performance.
In the current code, a reader entering the slowpath critical section
will
It was discovered that a constant stream of readers with occassional
writers pounding on a rwsem may cause many of the readers to enter the
slowpath unnecessarily thus increasing latency and lowering performance.
In the current code, a reader entering the slowpath critical section
will
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