Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 09 Dec 2014 23:15:49 +0100 | From | Marek Kordík <> | Subject | Re: [PATCH] PCI: Clear bridge MEM_64 flag if one child does not support it |
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On 12/09/2014 08:42 PM, Yinghai Lu wrote: > On Tue, Dec 9, 2014 at 10:22 AM, Bjorn Helgaas <bhelgaas@google.com> wrote: >> On Tue, Dec 9, 2014 at 11:07 AM, Marek Kordík <kordikmarek@gmail.com> wrote: >>> I have built and booted your branch and it works well. Do you want me to >>> attach some logs? >>> (I am new here and I have read http://www.tux.org/lkml/ and I don't want to >>> break some rules for attachment size) > > Hi Marek, > > Can you run some graphics benchmark program to check the performance > between > 1. > > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > branch: for-pci-allocate-fit-3.18 > > 2. > v 3.18 + clear mmio64 flags when children device does not support it > > Thanks > > Yinghai > I have run Unigine Heaven benchmark on both versions (I tried version 2. with and also without kernel parameters "debug ignore_loglevel pci=realloc") and the performance of each version was the same (70-71 points). I tried to run this benchmark also with kernel 3.15.10 and the result was 67 points. Tomorrow I can try to run some more benchmarks, today I didn't have much time.
Marek
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