On Tue, 04 Nov 2008 06:24:05 -0600 holt@xxxxxxx wrote: > New in V3: > * Handle rearrangement of some arch's include/asm directories. > > 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. > I'm not seeing any Tony Luck acks on this work? -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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