Re: [PATCH V2 0/2] enable irqs when waiting for rwlocks

Petr Tesarik
2008-10-31T08:52:22Z

On Thu, 2008-10-23 at 18:08 +0200, Petr Tesarik wrote:
> New in V2:
> * get rid of ugly #ifdef's in kernel/spinlock.h
> * convert __raw_{read|write}_lock_flags to an inline func
>
> SGI has observed that on large systems, interrupts are not serviced for
> a long period of time when waiting for a rwlock. The following patch
> series re-enables irqs while waiting for the lock, resembling the code
> which is already there for spinlocks.
>
> I only made the ia64 version, because the patch adds some overhead to
> the fast path. I assume there is currently no demand to have this for
> other architectures, because the systems are not so large. Of course,
> the possibility to implement raw_{read|write}_lock_flags for any
> architecture is still there.
>
> Petr Tesarik

Any comments on my second patch series? Not even an Acked-by? Dislike of
the concept? Should I post it again?

I feel a bit too uncertain what the status is...

Petr