search for: 9780k

...ytes) Xen reported: 2666.662 MHz processor. Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Software IO TLB disabled vmalloc area: e1000000-fb7fe000, maxmem 33ffe000 Memory: 514048k/532480k available (2250k kernel code, 9780k reserved, 708k data, 172k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay using timer specific routine.. 5334.98 BogoMIPS (lpj=26674902) Security Framework v1.0.0 initialized Capability LSM initialized Mount-cache hash table entries:...

On Fri, Jun 03, 2016 at 02:33:47PM +1000, Benjamin Herrenschmidt wrote: > ?- For the above, can you show (or describe) where the qspinlock > ? ?improves things compared to our current locks. So currently PPC has a fairly straight forward test-and-set spinlock IIRC. You have this because LPAR/virt muck and lock holder preemption issues etc.. qspinlock is 1) a fair lock (like ticket locks)

On Fri, Jun 03, 2016 at 02:33:47PM +1000, Benjamin Herrenschmidt wrote: > ?- For the above, can you show (or describe) where the qspinlock > ? ?improves things compared to our current locks. So currently PPC has a fairly straight forward test-and-set spinlock IIRC. You have this because LPAR/virt muck and lock holder preemption issues etc.. qspinlock is 1) a fair lock (like ticket locks)