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[Xen-devel] [PATCH] small bug-fixes
| To: | linux-kernel@xxxxxxxxxxxxxxx, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] small bug-fixes |
| From: | Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> |
| Date: | Thu, 10 Mar 2011 15:36:43 -0500 |
| Cc: | Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 10 Mar 2011 12:37:48 -0800 |
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During testing (git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git #linux-next) I found that ballooning of PV guests stopped working and traced it down to 2f14ddc3a7146ea4cd5a3d1ecd993f85f2e4f948 "xen/setup: Inhibit resource API from using System RAM E820 gaps as PCI mem gaps" which is correct for the initial domain, but not for true PV guests. This patch: "xen/e820: Don't mark balloon memory as E820_UNUSABLE when running as guest." fixes that. The second I found when running 2.6.32 pvops tree when we swapped over from using level_irq handler for VIRQ to percpu irq handler. There is a race window that I was able to hit 66% of time. With 2.6.38 I can't seem to hit this and I am not sure why - but it still makes sense to add this patch in. The patch in question is: xen/hvc: Disable probe_irq_on/off from poking the hvc-console IRQ line. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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