On 06/26/2012 01:49 AM, Sridhar Samudrala wrote:
On 6/25/2012 2:16 AM, Jason Wang wrote:
Hello All:
This series is an update version of multiqueue virtio-net driver
based on
Krishna Kumar's work to let virtio-net use multiple rx/tx queues to
do the
packets reception and transmission. Please
On 06/26/2012 02:01 AM, Shirley Ma wrote:
Hello Jason,
Good work. Do you have local guest to guest results?
Thanks
Shirley
Hi Shirley:
I would run tests to measure the performance and post here.
Thanks
___
Virtualization mailing list
This patch introduces the multiqueue capabilities to virtio net devices. The
number of tx/rx queue pairs available in the device were exposed through config
space, and driver could negotiate the number of pairs it wish to use through
ctrl vq.
Signed-off-by: Jason Wang jasow...@redhat.com
---
(apologies if there are excessive typos. I damaged my left hand and
typing is painful).
Adding Andi to cc for question on VM_BUG_ON.
On Mon, Jun 25, 2012 at 08:25:56PM -0300, Rafael Aquini wrote:
This patch introduces helper functions that teach compaction and migration
bits
how to cope
On 06/25/2012 07:25 PM, Rafael Aquini wrote:
This patch introduces helper functions that teach compaction and migration bits
how to cope with pages which are part of a guest memory balloon, in order to
make them movable by memory compaction procedures.
Signed-off-by: Rafael
On Tue, Jun 26, 2012 at 09:17:43AM -0400, Rik van Riel wrote:
On 06/25/2012 07:25 PM, Rafael Aquini wrote:
This patch introduces helper functions that teach compaction and migration
bits
how to cope with pages which are part of a guest memory balloon, in order to
make them movable by memory
What shocked me actually is that VM_BUG_ON code is executed on
!CONFIG_DEBUG_VM builds and has been since 2.6.36 due to commit [4e60c86bd:
gcc-4.6: mm: fix unused but set warnings]. I thought the whole point of
VM_BUG_ON was to avoid expensive and usually unnecessary checks. Andi,
was this
I'm not fully sure what putback_balloon_page does, but if it just tests
a bit (without non variable test_bit) it should be ok.
^
should be without variable ...
-Andi
--
a...@linux.intel.com -- Speaking for myself only.
___
On Tue, Jun 26, 2012 at 06:52:58PM +0200, Andi Kleen wrote:
What shocked me actually is that VM_BUG_ON code is executed on
!CONFIG_DEBUG_VM builds and has been since 2.6.36 due to commit [4e60c86bd:
gcc-4.6: mm: fix unused but set warnings]. I thought the whole point of
VM_BUG_ON was to
How is the compiler meant to optimise away cond if it's a function
call?
Inlines can be optimized away. These tests are usually inlines.
What did I miss? If nothing, then I will revert this particular change
and Rafael will need to be sure his patch is not using VM_BUG_ON to call
a
On 06/26/2012 04:32 PM, Frank Swiderski wrote:
This implementation of a virtio balloon driver uses the page cache to
store pages that have been released to the host. The communication
(outside of target counts) is one way--the guest notifies the host when
it adds a page to the page cache,
This implementation of a virtio balloon driver uses the page cache to
store pages that have been released to the host. The communication
(outside of target counts) is one way--the guest notifies the host when
it adds a page to the page cache, allowing the host to madvise(2) with
MADV_DONTNEED.
On Tue, Jun 26, 2012 at 1:40 PM, Rik van Riel r...@redhat.com wrote:
On 06/26/2012 04:32 PM, Frank Swiderski wrote:
This implementation of a virtio balloon driver uses the page cache to
store pages that have been released to the host. The communication
(outside of target counts) is one
On Tue, Jun 26, 2012 at 01:32:58PM -0700, Frank Swiderski wrote:
This implementation of a virtio balloon driver uses the page cache to
store pages that have been released to the host. The communication
(outside of target counts) is one way--the guest notifies the host when
it adds a page to
On 06/26/2012 05:31 PM, Frank Swiderski wrote:
On Tue, Jun 26, 2012 at 1:40 PM, Rik van Rielr...@redhat.com wrote:
The code looks good to me, my only worry is the
code duplication. We now have 5 balloon drivers,
for 4 hypervisors, all implementing everything
from scratch...
Do you have any
On Tue, Jun 26, 2012 at 02:31:26PM -0700, Frank Swiderski wrote:
On Tue, Jun 26, 2012 at 1:40 PM, Rik van Riel r...@redhat.com wrote:
On 06/26/2012 04:32 PM, Frank Swiderski wrote:
This implementation of a virtio balloon driver uses the page cache to
store pages that have been released to
Mel,
First and foremost, thank you for taking the time to review these bits and
provide such valuable feedback.
On Tue, Jun 26, 2012 at 11:17:29AM +0100, Mel Gorman wrote:
+/* return 1 if page is part of a guest's memory balloon, 0 otherwise */
+static inline int PageBalloon(struct page
On Tue, Jun 26, 2012 at 2:47 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Tue, Jun 26, 2012 at 02:31:26PM -0700, Frank Swiderski wrote:
On Tue, Jun 26, 2012 at 1:40 PM, Rik van Riel r...@redhat.com wrote:
On 06/26/2012 04:32 PM, Frank Swiderski wrote:
This implementation of a virtio
On Tue, Jun 26, 2012 at 2:45 PM, Rik van Riel r...@redhat.com wrote:
On 06/26/2012 05:31 PM, Frank Swiderski wrote:
On Tue, Jun 26, 2012 at 1:40 PM, Rik van Rielr...@redhat.com wrote:
The code looks good to me, my only worry is the
code duplication. We now have 5 balloon drivers,
for 4
+#if defined(CONFIG_VIRTIO_BALLOON) || defined(CONFIG_VIRTIO_BALLOON_MODULE)
+/*
+ * Balloon pages special page-mapping.
+ * users must properly allocate and initiliaze an instance of
balloon_mapping,
initialize
+ * and set it as the page-mapping for balloon enlisted page instances.
+ *
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