Messages in this thread | | | Date | Mon, 11 May 2015 15:27:26 +0200 | From | Paolo Bonzini <> | Subject | Re: [PATCH] kvm: irqchip: Break up high order allocations of kvm_irq_routing_table |
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On 11/05/2015 14:53, Christian Borntraeger wrote: > Am 11.05.2015 um 14:50 schrieb Christian Borntraeger: > >> s390 has a route per device, but with 100 virtio-blk devices the difference seem >> pretty much on the "dont care" side. qemu aio-poll/drain code seems to cause >> much more delay since we elimited the kernel delays by using >> synchronize_srcu_expedited. > > This is ambiguous: > My point is: qemu did not get slower, it was already slow and the kernel got fast > enough that it is no longer the slowest part.
Great, I'll apply the patch.
Paolo
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