Messages in this thread | | | Date | Wed, 22 Oct 2008 10:31:53 -0700 | From | Rick Jones <> | Subject | Re: [PATCH 0/2] enable irqs when waiting for rwlocks |
| |
Petr Tesarik wrote: > Hello, > > 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.
Perhaps I'm just out in left field, but that (and the similar behaviour for obtaining a spinlock?) feels like treating a symptom rather than a root cause where the root cause would appear to be long lock hold times/contention?
rick jones
| |